廣杉計器 Product Lineup

■ Brass Spacers (Brass Spacers) Our strength lies in the rich variety that takes advantage of excellent machinability. You can choose the optimal product for your application from a lineup of over 9,000 items. In addition to improved corrosion resistance through nickel plating, they excel in strength, cost, and mass production, making them widely adopted across various industrial sectors. ■ Lead-Free Brass Spacers This is the next-generation spacer that complies with environmental regulations (such as the EU RoHS2 directive). Utilizing bismuth-based lead-free free-cutting brass (BZ5), it is rapidly being adopted as a product that achieves reduced environmental impact amid restrictions on lead content in brass materials. 【Custom Orders & Support】 We also accept size changes (screw diameter, length, mounting dimensions, effective screw length, etc.) for non-standard products, as well as the production of custom items based on drawings. Free Catalog Shipping: Ships as soon as the same day from the time of application. Inquiries: Please feel free to contact us for product specifications, sample requests, and more.

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■Stainless Steel Spacers These high-performance spacers excel in strength, corrosion resistance, heat resistance, and chemical resistance, and feature non-magnetic properties along with excellent ductility and toughness. With a supply capacity backed by an annual shipment record of over 10 million units, we deliver high-quality products consistently. ■Specifications - Material: SUS303, SUS304, SUS316 - Size Range: M1.7 to M12 (also compatible with different diameter types of male and female threads) ■Shapes - Standard Type (both male and female threads): A basic shape with high cost performance suitable for mass production. - Spacer without incomplete threaded section: No need for counterpart machining. A wide contact surface allows for high tightening torque. - Male Thread Long Short: Allows for precise selection of male thread lengths (3mm to 20mm), enabling flexible adjustment of installation spacing. - Direct Mounting on Thin Plates: Designed for direct attachment to thin plates that have been tapped. 【Custom Orders and Support】 We also accept size modifications (thread diameter, length, installation dimensions, effective thread length, etc.) beyond standard products, as well as the production of custom items based on drawings. Free Catalog Shipping: Ships as soon as the same day after application. Contact Us: Feel free to reach out for inquiries about product specifications, sample requests, and more.

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■Steel Spacer This spacer combines the high strength and low cost characteristic of steel, making it highly efficient for production. It is available in a wide variety of versatile sizes and shapes, making it suitable for sites that require high fastening strength while keeping costs down. 【Custom Orders and Support】 We also accept modifications to standard sizes (such as screw diameter, length, mounting dimensions, effective screw length, etc.) and the production of custom items based on drawings. Free catalog shipping: Ships as soon as the same day from the time of application. Contact us: Feel free to reach out for inquiries about product specifications, sample requests, and more.

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■Aluminum Spacer Achieving an overwhelming lightness of about one-third that of iron, it contributes to the overall weight reduction of products and the automation that alleviates power requirements. Being a non-magnetic material, it is unaffected by magnetic fields, making it suitable for use in precision instruments. It is also gaining attention as a reusable sustainable material. ■Main Features - Lightweight: Improves product weight balance at about one-third the weight of iron. - Non-magnetic: Ideal for inspection and communication equipment as it is not affected by magnetic field environments. - Corrosion resistance: Exhibits excellent corrosion resistance even in salt damage environments due to treatments like black anodizing. - Environmental consideration: A reusable sustainable material. 【Custom Orders & Support】 We also accept size modifications (screw diameter, length, mounting dimensions, effective screw length, etc.) beyond standard products, as well as the production of custom items based on drawings. Free catalog shipping: Ships as soon as the same day after application. Inquiries: Please feel free to contact us for product specifications, sample requests, and more.

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■D-Sub Connector Mounting Parts These are specialized parts ideal for mounting various D-Sub connectors on circuit boards and securing them to panels. You can choose from three types of materials to suit environmental regulations and usage conditions. 【Support System】 Free catalog shipping: We will ship the catalog as soon as the same day after your application. You will receive a comprehensive catalog covering the latest lineup. Technical consultation and sample requests: Please feel free to contact us for assistance in product selection or to request samples.

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■Juralon Spacer (POM) POM (Polyoxymethylene) is a well-balanced engineering plastic that excels in wear resistance, creep resistance, lubricity, and dimensional stability. Due to its low cost, lightweight, and excellent insulation properties, it is widely used in various industrial products as a substitute for metal materials. ■Main Features - Mechanical Properties: High wear resistance and self-lubricating properties make it ideal for sliding components. - Insulation & Lightweight: High electrical insulation properties contribute to replacing metal screws and reducing weight. - Environmental Compatibility: POM EX-09 (blue) is suitable for food contact applications. 【Related Products & Support】 In addition to Juralon spacers, we offer the following products. Related Parts: A wide range of washers and bushes are available. Custom Orders: We flexibly accept specification changes for non-standard products and the production of custom items based on drawings. Catalog & Samples: We can ship as quickly as the same day from your application. Please feel free to contact us for product specifications or sample requests.

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■PPS (Polyphenylene Sulfide) Spacer This spacer is made from PPS material, which has particularly excellent heat resistance, chemical resistance, and flame retardancy among super engineering plastics. It possesses self-extinguishing properties without the addition of flame retardants and maintains stable dimensional accuracy even in harsh thermal environments. ■Main Features - Extremely high environmental resistance: Excellent heat resistance, weather resistance, and hydrolysis resistance, with minimal degradation even after long-term use. - Outstanding physical properties: High mechanical strength and flame retardancy (compliant with UL standards). - Dimensional stability: Very low water absorption rate, resulting in minimal distortion even in environments with significant temperature fluctuations. ■Case Studies for Problem Solving Cost reduction and performance improvement achieved with PPS spacers As an alternative to metal parts and conventional resins, the following problem-solving achievements have been realized: - Weight reduction and insulation from metal: By replacing metal spacers with PPS, weight reduction is achieved while ensuring circuit insulation. - Overcoming the performance limits of PA (Polyamide) resin: PPS maintains high precision even in environments where dimensional changes due to moisture absorption and thermal degradation are concerns. - High density around connectors: With excellent dimensional stability and heat resistance, it contributes to space-saving for connectors and electronic components located near heat sources.

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■Nylon Spacer (66 Nylon) This is a standard spacer made from 66 nylon, which combines insulation properties, lightweight, and high strength. It excels in heat resistance, oil resistance, abrasion resistance, and chemical resistance, demonstrating stable performance even in environments exposed to organic solvents such as gasoline and oil. Additionally, due to the moisture absorption characteristic of resin, it also possesses improved flexibility and impact resistance against shocks. ■Main Features - Excellent electrical insulation: Ensures insulation performance essential for circuit design. - Environmental compatibility: High lubricity and oil resistance, adopted in a wide range of fields including machinery and automotive parts. - Property changes: Increased toughness (impact resistance) due to moisture absorption, transforming into a more resilient material. 【Custom Orders and Support】 We also accept size modifications (screw diameter, length, mounting dimensions, effective screw length, etc.) beyond standard products, as well as the production of custom items based on drawings. Free catalog shipping: Ships as soon as the same day after application. Contact us: Feel free to reach out for specifications consultation, sample requests, and more.

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■PBT Spacer (Polybutylene Terephthalate) PBT is a thermoplastic crystalline engineering plastic that balances electrical properties, chemical resistance, and heat resistance at a high level. Due to its extremely low water absorption rate, it maintains very high dimensional stability even in environments with significant changes in temperature and humidity, making it suitable as an insulating spacer in areas requiring precise design. ■Main Features - Electrical Reliability: Excellent insulation performance, suitable for components in high voltage and high frequency environments. - High Stability: Minimal dimensional changes due to water absorption, maintaining high precision assembly. - Environmental Resistance: Excellent oil and chemical resistance, making it safe for use in industrial machinery and marine equipment that come into contact with oils and chemicals. - Physical Strength: Equipped with excellent mechanical properties and friction resistance, it is effective around drive components such as robot parts. 【Custom Orders and Support】 We also accept size changes (screw diameter, length, mounting dimensions, effective screw length, etc.) for non-standard products, as well as the production of custom items based on drawings. Free Catalog Shipping: Ships as soon as the same day from the application. Contact Us: Feel free to reach out for specifications consultation, sample requests, and more.

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■PTFE (Fluororesin) Spacer PTFE (Polytetrafluoroethylene) is a fluororesin that boasts top-class heat resistance, chemical resistance, and insulation properties among resin materials. Its excellent chemical stability has made it an indispensable presence in cutting-edge industrial fields such as semiconductor manufacturing equipment, chemical plants, and the medical sector, where no compromises are allowed. ■Main Features - Environmental Performance: It does not deteriorate even at high temperatures and shows extremely excellent resistance to all chemical substances, including strong acids and strong alkalis. - Excellent Electrical Properties: With extremely low dielectric constant and dielectric loss tangent, it is optimal as an insulator for all electronic circuits, including high-frequency environments. - Non-Stick and Weather Resistance: With very low surface energy, it is difficult for dirt to adhere, and it does not degrade over long periods even in outdoor environments. ■Custom Orders and Support We also accept size modifications (screw diameter, length, mounting dimensions, effective screw length, etc.) beyond standard products, as well as the production of custom items based on drawings. Free Catalog Shipping: Ships as soon as the same day after application. Inquiries: Please feel free to contact us for consultations on specifications, sample requests, and more.

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PEEK is a "super engineering plastic" that possesses the highest level of heat resistance and mechanical properties among engineering plastics. It maintains excellent dimensional stability and strength even in high-temperature, high-humidity, and chemical environments where conventional resin materials struggle to perform. It is an insulating part that solves design challenges in harsh industrial settings. ■ Key Features - Excellent environmental resistance: Usable in continuous high-temperature environments, as well as in pressurized hot water and steam. - Tough mechanical properties: Equipped with excellent impact resistance, creep resistance, and wear resistance, maintaining performance over long periods. - High precision machinability: High dimensional stability and excellent machinability allow for high precision in complex designs. - Safety performance: With radiation resistance and excellent flame retardancy, it meets the high safety requirements of infrastructure and industrial machinery. ■ Problem-Solving Examples - Challenges in high-temperature steam environments: Ensuring both insulation and heat resistance of resin in corrosive environments where metals cannot be used and in environments directly exposed to steam. - Weight reduction from metal parts: Replacing metal components leads to overall weight reduction of equipment while simplifying insulation design. - Improved long-term maintenance: Reducing deformation and wear due to aging, thereby decreasing maintenance frequency in high-density mounting environments.

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■Bakelite Spacer (Phenolic Resin) This spacer is made from phenolic resin laminate, which has long been cherished as a representative insulating material. It possesses excellent electrical insulation and thermal insulation properties, making it continuously adopted in the fields of electronic devices and infrastructure, where ensuring circuit safety and preventing heat-related issues are crucial. ■Main Features - High Electrical Insulation: Prevents leakage and maintains electrical reliability over the long term. - Excellent Heat Resistance and Flame Retardancy: It has particularly high thermal insulation performance and flame retardancy among resin materials, protecting circuits located near heat sources. - Outstanding Dimensional Stability: Minimal expansion due to water absorption and aging degradation allows for high-precision positioning, making it ideal for precise housing designs. - Chemical Stability: Exhibits excellent chemical resistance and is less likely to deteriorate even in harsh environments such as industrial machinery.

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■ABS Spacer This product is a spacer made from ABS resin, a representative material of engineering plastics that possesses a well-balanced combination of mechanical properties such as impact resistance, bending fatigue resistance, and tensile strength. It is easy to process and handle as a product, and has a beautiful glossy finish, making it suitable not only as an insulating component inside enclosures but also in areas where appearance quality is required. ■Main Features - Excellent Physical Balance: It excels in impact resistance and chemical resistance, demonstrating stable performance in various environments. - High Versatility: A reliable material widely used in automotive parts, electronic components, and residential building materials. - Beautiful Appearance: It has a resin-specific gloss, making it ideal for designs that prioritize product finish. ■Adoption Cases and Problem Solving - Balancing Cost and Performance: By using ABS in lightweight areas where metal spacers are unnecessary, both cost reduction and weight savings are achieved. - Catering to Products that Emphasize Appearance: Adopted as internal structural material for electronic devices that require a glossy finish without compromising the aesthetics of the enclosure. - Transition from Prototyping to Mass Production: This material is widely recognized as a 3D printer material in recent years, allowing for a smooth transition from the prototyping stage to mass production.

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■Parts for Vertical Mounting of PCBs (Block Mount) These are cubic (cube-shaped) parts designed for the vertical installation of printed circuit boards to chassis or cases. They maximize the use of limited enclosure space and enable high-density electronic circuit design. They play a crucial role in the design of industrial equipment, where stability in installation and strong fastening force are required. ■Design Challenges and Solutions - This part addresses common challenges that arise in design environments. - Miniaturization of enclosures: In response to the challenge of "not having space to arrange PCBs," switching to vertical mounting reduces the installation area and contributes to the overall compactness of the product. - Ensuring vibration stability: Vertical fixation, which can be unstable with simple spacers, is strengthened by firmly fastening with block-shaped parts, improving vibration resistance. - Optimization of mounting costs and environments: For high-load environments, the use of "stainless steel," which excels in strength and corrosion resistance, achieves longevity in harsh usage conditions. - Electrical challenges: For areas requiring insulation, materials such as "Delrin" or "PPS" are suitable.

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1. Titanium Spacer (High Strength, High Corrosion Resistance) Can be used in environments where extreme performance is required, such as aerospace and marine equipment. - Features: Achieves high strength while being overwhelmingly lightweight. Excellent heat resistance and salt resistance, rust-resistant, and long-lasting. - Lineup: Hexagonal both male threads, hexagonal male-female threads, round hollow (each M3/M4) 2. RENY Spacer (Metal Alternative, High Rigidity) A material filled with glass fibers as a reinforcing agent in polyamide resin, possessing strength equivalent to metal. - Features: Contributes to weight reduction in design as a metal alternative material. Equipped with excellent heat resistance and oil resistance, requiring high rigidity. 3. Galepoxy Spacer (Electrical Insulation, Flame Retardant) Achieves highly reliable insulation measures in industrial control equipment and printed circuit board mounting. - Features: Excellent flame retardancy and high heat resistance. Ensures the safety of electrical circuits due to low conductivity. 4. Polycarbonate Spacer (Impact Resistance, Transparency) Ideal for enclosures requiring visibility of internal conditions and protection against external impacts. - Features: Possesses excellent impact resistance and boasts high transparency among plastics. A safe material with self-extinguishing properties.

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■Resin (Insulation) Washers At Hirose Instrument Co., Ltd., we offer a wide range of "resin washers" essential for protecting fastening parts, insulation measures, and gap adjustments. You can choose the optimal material and size according to the designer's intent, from general insulation applications to demanding environments requiring chemical resistance, heat resistance, and shock absorption. ■Available Shapes - Flat Washers: For general fastening and protection. - Set Washers: Ensure reliable protection of the fastening surface and stabilize the seating surface. - Rosette Washers: Securely and beautifully fix the heads of screws, such as pan screws. 【Custom Orders & Support】 We also accept modifications to standard sizes (screw diameter, length, mounting dimensions, effective screw length, etc.) and the production of custom items based on drawings. Free Catalog Shipping: Ships as soon as the same day after application. Contact Us: Feel free to reach out for specifications consultation, sample requests, and more.

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■Product Lineup You can choose from a variety of materials and surface treatments tailored to the environmental conditions (strength, corrosion resistance, conductivity) of the fastening parts. - Stainless Steel (SUS303/SUS304): High strength and excellent corrosion resistance. Available in degreased and black baked finish types that excel in aesthetics and anti-reflective properties. - Iron (Trivalent Chromium Chromate): Highly versatile and offers excellent cost performance for fastening applications. - Brass: Excellent conductivity, ideal for fastening in electrical equipment. Available in nickel-plated and non-plated types. - Aluminum: Lightweight and non-magnetic. Options for raw and black baked finishes are available. - Pure Titanium: Highly corrosion-resistant, high strength, and ultra-lightweight. Suitable for harsh industrial environments, durable equipment, and marine devices. - Phosphor Bronze: Combines spring properties and conductivity for special environments. 【Related Products】 - Resin Washers: For insulation, prevention of galvanic corrosion, and weight reduction. - Rubber Washers: Needed for shock absorption and sealing. 【Custom Orders & Support】 We also accept size modifications for standard products and the production of custom items based on drawings. Free Catalog Shipping: Ships as soon as the same day from the application. Contact Us: Feel free to reach out for product specifications, sample requests, and more.

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■Resin (Insulation) Bushings At Hiroki Sugeki, we offer a wide variety of "resin bushings," essential for protecting bearing parts and mounting holes, as well as for insulation measures, with over 3,000 items, making us a top player in the industry. From highly versatile Duracon and ABS to high-heat and high-strength PEEK, and chemical-resistant PTFE and PPS, we can meticulously select the optimal material according to the installation environment. In addition to standard "bushings," we also provide "flanged bushings" that enhance the stability of the seating surface, ensuring precise responses to design requirements down to the millimeter. ■Case Studies and Problem Solving By introducing resin bushings, we can efficiently solve design challenges such as the following: - Insulation measures against metal contact: By inserting a bushing between metal screws and metal housings, we can reliably prevent electrical short circuits. - Reduction of friction and smooth operation: Utilizing the low friction coefficient properties of PTFE and Duracon, we minimize wear on sliding parts and extend the lifespan of moving mechanisms. - Weight reduction and cost reduction: By replacing metal bushings, we achieve both overall weight reduction and cost optimization for the product. - Chemical and environmental resistance: With PEEK and PPS, we can accommodate industrial equipment that requires exposure to chemical substances or use in high-temperature environments.

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■ Rubber Washers (Diverse Materials and Extensive Size Range) At Hirose Instrument Co., Ltd., we offer essential "rubber washers" for improving sealing at fastening points, absorbing vibrations, and providing cushioning, available in a wide range of materials. You can precisely select the optimal material according to the application and installation environment, including oil-resistant NBR, highly weather-resistant EPDM, heat-resistant fluororubber, and vibration-absorbing Hane-Nite. ■ Product Lineup Details 1. Flat Washers This standard shape accommodates general fastening as well as sealing in special environments. Size Range: 18 sizes (Inner diameter Φ3 to Φ20) 2. Set Washers These ensure uniform surface pressure during fastening and reliably protect and seal the seating surface. Available Materials: NBR, Silicone Rubber (50°) ■ Material Selection Guide by Application - When oil resistance is required: NBR, Urethane - For weather resistance and outdoor use: CR, EPDM - When heat resistance is required: Fluororubber, Silicone Rubber - When vibration and shock absorption is desired: Hane-Nite (a special rubber with high vibration absorption properties)

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At Hirose Instrument Co., Ltd., we offer a variety of "metal bushes" that are ideal for sliding parts under load and fastening parts that require high tightening torque, available in diverse materials and surface treatments. In areas where resin bushes lack rigidity or in environments requiring long-term wear resistance, our metal bushes demonstrate stable performance unique to metal. We cover a wide range of standards from standard M2 to M6 (inner diameter φ2.0 to 6.5), allowing for the selection of optimal materials and treatments tailored to design intentions. ■ Advantages of Using Metal Bushes High tightening resistance: Being made of metal, they are less prone to deformation even when tightened with higher torque compared to resin, maintaining stable fastening strength. Excellent dimensional stability: They are hardly affected by temperature changes or humidity, allowing for precise sliding and mounting accuracy to be maintained over long periods. Diverse surface treatments: Various plating and anodizing treatments can add characteristics such as corrosion resistance, surface hardness, and conductivity, meeting the detailed design requirements of each product. ■ Customization and Support We also accept modifications of standard sizes (such as flange pressure, length, bush diameter, effective length, etc.) and the production of custom items based on drawings.

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■ Pin Header and Socket We offer a wide range of pin sockets and jump sockets that are essential for circuit connections on printed circuit boards. These products support various needs in electronic device design, ensuring continuity between boards, securing space through stacking, fixing boards, and switching circuit settings. You can choose the optimal connection method according to your design environment, from DIP (through-hole) to SMT (surface mount). ■ Main Products Pins: In addition to serving as circuit terminals, they also contribute to vertical and horizontal fixing of boards as spacers between stacked boards. Sockets: They create removable connections as the receiving side for pins, enhancing circuit modularity and maintainability. Jump Sockets: By shorting adjacent pins, they facilitate easy switching, upgrading, and resetting of circuit settings. ■ Adoption Cases and Applications - Circuit Setting and Switching: Smartly achieve board setting changes on-site with jump sockets. - Board Stacking: Effectively utilize dead space within enclosures with fixed or removable types. - Vertical and Horizontal Mounting: Position boards at optimal angles according to the shape of the enclosure and wiring arrangements.

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■LED Mounting Parts (LED Spacers) These are specialized parts designed to prevent "height variation" and "tilting" when mounting LEDs onto circuit boards, ensuring uniform and stable mounting quality. They contribute to the efficiency of the mounting process and improve the final product quality. ■Main Features - High-precision height management: Reduces floating during installation and maintains a consistent LED height. - Short-circuit prevention design: Grooves at both ends prevent solder from rising during soldering, reducing the risk of electrical short circuits. - High dimensional accuracy: Optimized molding methods for each size minimize variation between production lots. 【Support System】 Hirose Instruments not only provides standard products but also accepts inquiries from the design stage of mounting circuit boards. Free catalog shipping: We can ship on the same day as your application. We will deliver a comprehensive catalog covering the entire lineup. Technical support: We accept inquiries regarding LED placement and mounting, as well as sample requests. Please feel free to contact us.

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• LED Module

From the essential "check terminals" for circuit operation checks to the "screw terminals" that ensure reliable power supply and component mounting, we cover all the functions required in the design field. We propose optimal solutions to solve detailed implementation challenges and enhance product reliability and maintainability. ■ Product Categories and Main Applications - Check terminals - Multi-purpose terminals - Terminals for adjustment components - Relay terminals - Lug terminals (including L-type) - Transistor and capacitor mounting bases - Power terminals - Power solder spacers - Screw terminals and cable terminals - Sub-board double-layer mounting bases - Coin battery holders - Jumpers

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■Product Features - This series uses "Alumina 96," which boasts an excellent track record as an industrial ceramic. - Heat resistance: Achieves an astonishing heat resistance temperature of 1300°C. It maintains its shape with minimal strength changes even in high-temperature environments. - Electrical properties: High insulation prevents short circuits and electrolysis in environments that are sensitive to high voltage areas and electrical noise. - Environmental compliance: Complies with the EU RoHS2 directive and meets the latest environmental regulations. ■Suggestions for Designers Are you troubled by metal corrosion or thermal degradation of resins? Hirose Instrument's ceramic parts contribute to solving the following challenges: - Structures in high-temperature environments: For fastening in high-temperature areas where metals cannot be used, such as weld joints and inside furnaces. - High insulation and precision retention: For precise sensor surroundings where it is necessary to minimize the effects of magnetism and electricity. - Wear resistance and longevity: Protects and prolongs the lifespan of areas with severe sliding and wear between metals using the hardness of ceramics.

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■Product Lineup 1. Screw-in Type (Irisert) - By screwing into the base material after tapping, a strong internal thread is constructed. - Applications: Areas requiring metal-like clamping force, thread repair, reinforcement of resin internal threads. - Features: Due to high-precision machining, there is no deformation during installation. Reliable construction is possible with dedicated jigs. 2. Dutch Insert A post-molded insert that can be used universally without selecting the counterpart material due to its expansion method. 3. Bit Insert / Mini Bit Insert A standard model with high versatility that is pressed in. - Bit Insert: A basic type that excels in various situations as a post-molded insert. - Mini Bit Insert: Extremely small sizes of M1.4/M1.6/M1.7. Directly contributes to the miniaturization and lightweight of products. 4. Ultra Insert An insert with the strongest holding power, utilizing a thermal press-in method. - Features: Two types are available, and by selecting according to usage conditions, it exhibits extremely strong pull-out holding power. 5. Insert Collar (Hollow Type) A collar type that is optimal for holding bearings and steps. - Press-fit type: For press-fitting in subsequent processes. - Simultaneous molding type: Integrated during resin molding.

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■Product Variations 1. Diversity of Shapes You can choose the optimal shape according to the design environment and operating space. Shape lineup: Slit type, Flanged type, Step type, Slim body, Low head 2. Materials and Surface Treatment A combination of materials and treatments can be selected according to the application and environment (conductivity, corrosion resistance, aesthetics). 3. Functionality Enhancement through Washer Selection By using or omitting washers and selecting materials, functionality can be expanded for protection of mounting surfaces, prevention of loosening, and shock absorption. ■Suggestions for Designers - For frequently operated areas: We recommend "Flanged" or "Step" types for better grip. - For space-saving design: Adopting "Low head" or "Slim body" types can reduce interference in narrow enclosures or panel surfaces. - When emphasizing aesthetics: You can choose finishes that match the product design, such as chrome plating (buff polished), gold plating, or black coating.

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■ Mechanical Parts At Hirose Instrument Co., Ltd., we offer a wide range of essential components for mechanical structures, including spacers, shafts, and fastening parts. With high-precision material selection and a variety of standards, we accurately meet the design requirements of industrial and precision equipment. ■ Product Lineup 1. Shaft Protection Spacer (formerly known as Set Piece) A protective component designed to shield rotating shafts, such as those in small motors, from scratches and wear. 2. Spring Post Supports stable operation as a guide or positioning element for springs. 3. Full Thread A versatile connecting component that can be cut and processed to the required length. 4. Rivet A fastening component that enables reliable joining without tools or with specialized tools. ● Products Handled Metal Push Rivets / Metal Drive Rivets Nylon Push Rivets / Nylon Fan Snap Rivets 5. Precision Shaft A rod-shaped mechanical component (shaft) responsible for power transmission and rotational or linear motion in motors and engines.

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■ Resin Screws, Bolts, and Nuts At Hirose Instrument Co., Ltd., we offer a wide range of resin fastening parts that cover various materials and shapes. By replacing metal screws, we contribute to improved product performance and trouble prevention. ■ Five Features of Resin Screws - Lightweight: Significantly lighter than metal, contributing to the overall weight reduction of equipment. - Insulation: Ideal for preventing electrical shorts and insulation applications, as they do not conduct electricity. - Non-magnetic: Not affected by magnetic fields, making them suitable for precision measuring instruments and semiconductor devices. - Chemical Resistance: Resistant to degradation in chemical environments, maintaining stable performance. - Corrosion Resistance: Unlike metal, they do not rust or corrode, allowing for long-term use even in harsh, humid environments. ■ Product Lineup - Small Screws: Pan head screws, set pan head screws (with resin/rubber washers), flat head screws, round flat head screws, and flat screws (with slits). - Bolts: Hex bolts (including those with washers and slits), hex socket bolts, hex socket set screws (grub screws), and hex socket low head bolts. - High-precision Bolts: Hexalobular hex low head bolts and hexalobular hex ultra-low head bolts. - Others: Hex nuts and bolt caps.

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■ Metal Screws, Bolts, Nuts, and Washers At Hirose Instrument Co., Ltd., we offer a diverse range of products that cover major metal materials such as aluminum, brass, iron, and stainless steel, enhancing design flexibility. Our products demonstrate reliable performance in assembly processes where corrosion resistance is required in harsh environments, as well as in applications that demand high strength and precision fastening. ■ Product Lineup ● Small Screws - Pan Head Screws - Set Pan Head Screws (with cross recess washer) - Flat Head Screws - Bind Screws - Precision Micro Screws ● Tapping Screws - Tapping Screws (Pan B Tight) - Tapping Screws (Pan P Tight) ● Bolts - Hex Bolts, Hex Socket Bolts, Low Head Bolts - Set Bolts, Cup Screws - Hex Lock Screws (with holes) ● Nuts and Washers: - Hex Nuts (Type 1/Type 2/Type 3) - Flat Washers, Spring Washers, Rosette Washers

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■ High-performance Nylon Rivets (Achieving Strong Fastening with One Touch) At Hirose Instrument Co., Ltd., we offer nylon rivets that prioritize work efficiency and reliability in production environments. These rivets possess characteristics that can withstand harsh usage conditions, such as heat resistance and oil resistance, making them essential fastening parts for optimizing design. ■ Product Lineup 1. Nylon Push Rivets A standard rivet that achieves secure fastening with a simple operation of pressing the head, causing the legs to expand. 2. Fan Snap Rivets Rivets suitable for fixing circuit boards and attaching cooling fans, featuring an integrated spring. Characteristic: By simply inserting the claw part into the hole of the circuit board, stable fixation is possible due to the elasticity of the spring. 3. Drive Rivets Drive rivets (also known as hammer rivets) are metal rivets that can securely fasten components by simply driving the pin with a hammer or similar tool.

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■Features - It is a hexagonal brass male-female threaded spacer. - The brass spacer has a surface treatment of "Ni plating." - It is mainly used to secure space between printed circuit boards. - It is a product that excels in corrosion resistance, distribution, and cost balance. - It is a spacer with an insulating cap attached on one side. - Compliant with EU-RoHS2.

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■Features - It is a hexagonal brass spacer with male threads on both ends. - The brass spacer has a surface treatment of "nickel plating." - It is mainly used to secure space between printed circuit boards. - It is a product with excellent corrosion resistance, availability, and cost balance. - It has been processed for use with countersunk screws. - Compliant with EU-RoHS2.

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■Features - It is a hexagonal brass spacer with male threads on both ends. - It is an untreated brass spacer. - It is mainly used for securing space between printed circuit boards. - It is a product with excellent corrosion resistance, availability, and cost balance. - It has been processed for use with countersunk screws. - Compliant with EU-RoHS2.

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■Features - It is a steel hexagonal double-threaded spacer. - The steel spacer has undergone "trivalent chromium chromate treatment" for surface processing. - It is a product that excels in strength and cost balance. - It has been processed for use with pan head screws. - Compliant with EU-RoHS2 standards.

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■Features - This is a hexagonal double-threaded spacer made of lead-free aluminum. - The spacer has a "black anodized" treatment on its surface. - It is very lightweight, making it suitable for reducing the weight of products. - It has excellent corrosion resistance, high thermal conductivity, and is non-magnetic. - It is widely used in various industrial fields such as moving parts, marine components, and precision instruments. - Compliant with EU-RoHS2 standards.

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■Features - It is a hexagonal male-female brass spacer. - The brass spacer has undergone a "black baked finish" surface treatment. - It is mainly used to secure space between printed circuit boards. - It is a product with excellent corrosion resistance, distribution capability, and cost balance. - Due to special processing at the root of the male thread, it can absorb slight burrs from the mounting counterpart and can be directly mounted flat to the root. - Compliant with EU-RoHS2 standards.

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■Features - It is a hexagonal male-female brass spacer. - The brass spacer has a surface treatment of "nickel plating." - It is mainly used to secure space between printed circuit boards. - It is a product with excellent corrosion resistance, circulation, and cost balance. - It is a spacer with an insulating cap attached to the male thread side. - Compliant with EU-RoHS2.

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■Features - It is a hexagonal brass spacer with male threads on both ends. - The brass spacer has a surface treatment of "Ni plating." - It is mainly used to secure space between printed circuit boards. - It is a product with excellent corrosion resistance, distribution capability, and cost balance. - Compliant with EU-RoHS2 standards.

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■Features - It is a hexagonal brass spacer with male threads on both ends. - It is an untreated brass spacer. - It is mainly used to secure space between printed circuit boards. - It is a product with excellent corrosion resistance, distribution, and cost balance. - Compliant with EU-RoHS2.

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■Features - This is a stainless steel hexagonal double-ended threaded spacer. - The spacer is made of high-grade "SUS304" material. - It is a product with excellent strength, corrosion resistance, and heat resistance. - The body is engraved with the letter "H." - Compliant with EU-RoHS2 standards.

• Other electronic parts

■Features - It is a titanium hexagonal double-ended threaded spacer. - The spacer is made of "pure titanium." - It is a very lightweight product with excellent strength, corrosion resistance, and heat resistance. - It is non-magnetic and particularly excellent in saltwater resistance. - The body is engraved with a beetle symbol for identification. - Compliant with EU-RoHS2 standards.

• Other electronic parts

■Features - It is a hexagonal double male thread spacer made of lead-free brass. - The brass spacer has a surface treatment of "Ni plating." - It is mainly used to secure space between printed circuit boards. - It is made from a material that has excellent machinability, corrosion resistance, and is non-magnetic, while being free of cadmium and lead. - The body features a BZ laser mark. - Compliant with EU-RoHS2 standards.

• Other electronic parts

■Features - It is a stainless steel hexagonal double-ended threaded spacer. - The spacer is made of "SUS303" material. - It is a product with excellent strength, corrosion resistance, and heat resistance. - Compliant with EU-RoHS2 standards.

• Other electronic parts

■Features - It is a hexagonal male-female spacer made of brass. - The brass spacer has a surface treatment of "nickel plating." - It is mainly used to secure space between printed circuit boards. - It is a product with excellent corrosion resistance, distribution, and cost balance. - Compliant with EU-RoHS2.

• Other electronic parts

■Features - This is a stainless steel hexagonal double-ended threaded spacer. - The spacer is made of high-grade "SUS316" material. - It is a product with excellent strength, corrosion resistance, and heat resistance. - The body is engraved with an identification beetle symbol. - Compliant with EU-RoHS2 standards.

• Other electronic parts