廣杉計器 List of Products and Services

RENY is a crystalline engineering plastic based on polyamide MXD6, reinforced with 50% glass fiber. It has the highest strength and modulus of elasticity among engineering plastics and excels in oil resistance, making it widely used as an alternative material to metal. For more details, please download the catalog.

Brass Spacer "AQB-E" Both Male Thread Type, Square Shape Available in M3 and M4 types. For more details, please download the catalog.

Brass Spacer "BQB-E" Male Thread Type, Square Shape Available in M3 and M4 types. For more details, please download the catalog.

Brass Spacer "CSB-E" Hollow Hexagonal Type Available in M3 and M4 types. For more details, please download the catalog.

Brass Spacer "LSB-E" Male Thread Type, Long Male Thread M3 Male Thread Lengths of 8mm and 10mm are available. For more details, please download the catalog.

Brass Spacer "CB-P" Male Thread Type, Long Male Thread For M2 to M6 For more details, please download the catalog.

Brass Spacer "CB-PC" Male Thread Type, Long Male Thread For M2 to M6 For more details, please download the catalog.

Brass Spacer "MRB-SE" Male Thread Type, Long Male Thread M3 Male Thread Length 3mm, 4mm For more details, please download the catalog.

At Hirozaki Keiki Co., Ltd., we handle various metal spacers used in electronic applications, power distribution, water treatment machinery, industrial machinery, and more. The types of materials available include brass, stainless steel, steel, eco-friendly materials, aluminum, titanium, and others. 【Shapes】 ○ Hexagonal both male threads, hexagonal male-female threads, hexagonal both female threads, hexagonal hollow ○ Round both male threads, round male-female threads, round hollow ○ Square both male threads, square male-female threads, square hollow ○ For D-sub mounting ○ Special types For more details, please contact us or download the catalog.

At Hirotsugi Keiki Co., Ltd., we handle LED mounting spacers used in electronic applications, power distribution, water treatment machinery, industrial machinery, and more. The types of materials include Polybutylene Terephthalate (PBT), Polyester Elastomer, Phenolic Resin, Nylon 66 (PA66), Ceramics, and Silicone Rubber. 【Features】 - No floating during installation, making height management easy - Short circuit prevention due to solder rise with grooves on both ends - Consistent dimensional accuracy through molding methods for each size For more details, please contact us or download the catalog.

At Hirose Instrument Co., Ltd., we handle various resin spacers used in electronics, power distribution, water treatment machinery, industrial machinery, and more. The types of materials include Duracon, PPS, PBT, Bakelite, Nylon-Lenni, PEEK, ABS, polycarbonate, silicone glass, and glass epoxy. 【Shapes】 ○ Hexagonal both male threads, hexagonal male-female threads, hexagonal both female threads ○ Round both male threads, round male-female threads, round hollow ○ Special types For more details, please contact us or download the catalog.

We provide products that meet customer requirements in a timely manner through the sale of goods. Furthermore, we contribute to society through designs that consider safety and the environment. 【Specifications】 ○ Material / Glass epoxy Grade #EW-3105 ○ Color / Transparent light green ○ RoHS compliant product For more details, please contact us or download the catalog.

We provide products that meet customer requirements in a timely manner through the sale of goods. Furthermore, we contribute to society through designs that consider safety and the environment. 【Product Lineup】 ○ For M3 / M4 / M5 / M6 ○ For M8 / M10 / M12 For more details, please contact us or download the catalog.

We provide products that meet customer demands in a timely manner through the sale of goods. Furthermore, we contribute to society through designs that consider safety and the environment. 【Product Lineup】 ○M2/M2.6/M3/M4/M5 For more details, please contact us or download the catalog.

We provide products that meet customer demands in a timely manner through the sale of goods. Furthermore, we contribute to society through designs that consider safety and the environment. 【Product Lineup】 ○ For M2 / M2.6 / M3 / M4 / M5 ○ For M6 / M8 ○ For M10 / M12 For more details, please contact us or download the catalog.

At Koushan Instruments, we offer "aluminum spacers" that are lightweight, non-magnetic, and excel in conductivity and thermal properties. The material's specific gravity is about one-third that of brass or iron, and it also boasts high corrosion resistance and strength, making it widely used in electronic and mechanical components. Various shapes are available, and you can choose from acid cleaning, electroless nickel plating, and black anodizing treatments according to your application. ■ Shape lineup Hexagonal spacers (both male threads / one male and one female thread / both female threads) Round spacers (both male threads / one male and one female thread) *with slits Round hollow spacers Short distance spacers Different diameter spacers (different sizes of male and female threads) ■ Material Lead-free free-cutting aluminum (CB156): lead content below 10ppm Lead-free free-cutting aluminum (KS26): lead content below 300ppm ■ Surface treatment Acid cleaning: ideal for mounting on printed circuit boards without plating Kanizen plating: characterized by uniform film thickness, high corrosion resistance, and high hardness, suitable for a wide range of industrial products Black anodizing: generates an oxide film on the surface of aluminum, providing excellent heat resistance and corrosion resistance. It has high insulation properties and excellent wear resistance. Please refer to the catalog for detailed product specifications.

Special shapes are applied to the 'incomplete screw section' to improve work efficiency! This is an original product with a patent. ● Material, Treatment, Size Brass (Nickel Plated): BSB-DE M2/M2.5/M2.6/M3/M4 Stainless Steel 303 (Degreased): BSU-D M2/M2.5/M2.6/M3/M4 Stainless Steel 303 (Molybdenum Treatment): BSU-DMO M3/M4 *For more details, please contact us or download the PDF to view.

[PPS Spacer] Super Engineering Plastic Spacer. Excellent heat resistance, mechanical strength, chemical resistance, flame retardancy, dimensional stability, and creep resistance. This spacer is made from high-performance engineering plastic known as super engineering plastic, which is a thermoplastic resin. In recent years, it has been increasingly in demand across various fields, leveraging its excellent characteristics in heat resistance, mechanical strength, chemical resistance, flame retardancy, dimensional stability, and creep resistance as a well-balanced material. It also has good weather resistance and hydrolysis resistance, and it is a flame-retardant material even without the addition of flame retardants. In the electronics sector, its excellent heat resistance and dimensional stability have led to increased adoption in connectors and various electronic components. In the automotive parts sector, demand is growing as a substitute for metals, phenolic resins, and PA-based materials due to its heat resistance, dimensional stability, and chemical resistance. We offer a wide range of molded products, including metal insert-molded parts, screw-in parts, and insulated types. [Contents] *Excerpt Shapes: Hexagonal, Round, Hollow Screw Types: Double-threaded, Male-threaded, Hollow

This product is a spacer made from bismuth-based lead-free brass (BZ5) that complies with RoHS2 (European Directive on the Restriction of Hazardous Substances). It can be used as an EU RoHS2 product even after various regulations on brass materials (lead). The adoption of lead-free materials to reduce environmental impact is increasing. This is a Hirotsugi original spacer, which has also been certified as part of Kawasaki City's manufacturing brand. The surface is coated with nickel (Ni), providing excellent corrosion resistance, wear resistance, and chemical resistance. 【Product Information】 - Material: Lead-free free-cutting brass (Bismuth-based C6801BD) - Surface treatment: Nickel plating (Ni plating) - Shape: Hexagonal (both male threads / male threads / both female threads) - Round (both male threads / male threads / hollow) - Compatible screw diameters: M2 / M2.5 / M2.6 / M3 / M4 / M5.

In recent years, the use of electronic and mechanical components has been increasing in the fields of miniaturization and lightweight products. Additionally, these materials are gaining attention from an eco-friendly perspective due to their high recyclability. 【Features】 Lightweight: Aluminum has a specific gravity of 2.7, about 1/3 that of iron (7.8). Corrosion Resistance: Strong against corrosion and has high heat dissipation. High Corrosion Resistance: Possesses excellent corrosion resistance due to the oxide film formed in the air. Thermal Conductivity: Has about 60% of copper's conductivity and high thermal conductivity. Environmental Compatibility: Recycling is much easier compared to other metals, making effective resource utilization after use expected. 【Shapes】 - Hexagonal and round types: both male threads/female threads/both female threads - Round hollow type 【Materials】 Lead-free free-cutting aluminum (CB156) with lead content below 10 ppm. Lead-free free-cutting aluminum (KS26) with lead content below 300 ppm. 【Processing】 〇 Acid washing treatment Can be used for printed circuit board mounting without plating. 〇 Kanizen plating treatment Features uniform film thickness, high corrosion resistance, and high hardness, used in a wide range of industrial products. 〇 Black anodizing treatment Provides high corrosion resistance, high wear resistance, high hardness, surface properties (improved slip resistance, water repellency, and paint adhesion), electrical insulation, and decorative qualities.

【Features】 - No floating during LED installation, making height management easy - Short circuit prevention due to solder rise with grooves on both ends - Consistent dimensional accuracy through molding methods for each size 【Materials】 - Polybutylene Terephthalate (PBT) - Polyester Elastomer - Phenolic Resin - Nylon 66 (PA66) - Ceramics - Silicone Rubber, etc. 【Standards】 - LED shapes: Round, Square - Installation orientation: Universal vertical and horizontal, vertical installation, 22°, 30°, 45°, 67° - Mounting legs: 2-legged, 3-legged, 4-legged * Includes short circuit prevention partitions, positioning guides, and options for connection.

【Precision Micro Screw Spacers】 This product was developed and commercialized with a screw diameter of M1.4 (pitch 0.3) for adoption in precision instruments, considering the trend towards miniaturization and weight reduction in the manufacturing industry. 【Contents】*Excerpt ■ Hexagonal and Round Types ・ Both Ends Male Thread ・ Male and Female Thread ・ Hollow ■ Surface Treatment ・ Nickel Plating

【Short Spacer for Metal and Resin】 This product has been designed with a shorter screw length compared to conventional products, considering its adoption in the manufacturing industry, which is progressing towards miniaturization and weight reduction. It has been developed and commercialized as a short spacer that can accommodate stacked mounting on circuit boards. 【Contents】 *Excerpt ■Shape - Hexagonal: Short male screw thread - Round: Short male screw thread with a slit ■Material - Free-cutting brass: Nickel-plated - SUS303: Degreased - Lead-free aluminum: Pickled, Kanizen plated, black anodized - Free-cutting steel: Trivalent chromium chromate - Delrin

【Metal Spacer with Washer】 This is a hexagonal pillar-shaped spacer with a male thread on one side and a female thread on the other, incorporating a spring washer and a flat washer on the male thread side. Since the washer does not come off the screw, it eliminates the hassle of setting the washer, thereby improving work efficiency. 【Contents】 *Excerpt ■Shape - Hexagonal: Male and female threads (with washer) ■Material - Free-cutting brass: Nickel-plated - SUS303: Degreased - Free-cutting steel: Trivalent chromium chromate

The "Stainless Steel Spacer" from Hiroshi Instrument Co. combines excellent corrosion resistance and wear resistance. It is particularly suitable for use in harsh environments, such as chemical plants and water treatment facilities where corrosion and wear are likely to occur, as well as in external conditions exposed to dust and high temperature and humidity. The high strength and heat resistance of stainless steel also contribute to long-term stable performance. It is available for purchase in minimum lots of 50 pieces and can accommodate various applications. 【Products Offered】 Material: SUS303/SUS304/SUS316 Available Shapes: Hexagonal, Round, Hollow, Special Types Available Screw Diameters: M1.7 to M12 【Featured Products】 Both Ends Male Thread Spacer: Standard type, inexpensive, and excels in mass production. Spacer without Incomplete Thread Section: No need for counterpart machining, with more screw contact surfaces resulting in higher tightening torque values. Long and Short Male Thread: Male thread products with adjustable mounting intervals from 3 to 20mm. Washer-equipped Spacer: Prevents loosening and improves work efficiency.

Special shapes are applied to the 'incomplete screw section' to improve work efficiency! This is an original product with a patent. Problems with conventional products due to incomplete screw sections: - They tend to float from the mounting surface. - Chamfering and deburring on the counterpart are required. - Reduced contact area of the screw leads to weaker torque. Improvements made to the screw base: - No incomplete screw section. - It adheres closely to the mounting surface, preventing floating. - No need for deburring on the counterpart & absorbs burrs. - Reduces the number of processes and costs for chamfering on the counterpart. - Increased contact area of the screw results in stronger torque. ● Material, Treatment, and Sizes: Stainless Steel 303 (degreased): BSU-D M2/M2.5/M2.6/M3/M4 Brass (nickel-plated): BSB-DE M2/M2.5/M2.6/M3/M4 ★ For more details, please download and check! ★ We offer free shipping for booklet versions; you can request as many as you need here: https://hirosugi.co.jp/form_hirosugi/index.php

■Lead-Free Brass Spacer Material: Lead-Free Brass (BZ5) Increased adoption of lead-free materials to reduce environmental impact. This spacer is made from bismuth-based lead-free free-cutting brass (BZ5). It can be used as an EU RoHS2 compliant product even after various regulations on brass materials (lead). 【Basic Shapes】 - Hexagonal Both Ends Male Threads - Hexagonal One End Male Thread, One End Female Thread - Round Both Ends Male Threads - Round One End Male Thread, One End Female Thread - Round Hollow For detailed specifications and dimensions, please refer to the catalog.

Product List ■Hexagonal - Brass (Nickel Plated) - Lead-Free Brass (Nickel Plated) - Stainless Steel - Iron (Trivalent Chromium Chromate Treatment) - Aluminum (Pickled) - Aluminum (Electroless Ni Plated) - Aluminum (Black Anodized) - Delrin (Metal Thread Conductive) - Delrin (Metal Thread Electrically Conductive) - PPS (Metal Thread Conductive) - PPS (Metal Thread Insulated) Feel free to request a quote ★ We provide high quality, low prices, a wide variety of products, small lots, and immediate delivery. ★ Same-day shipping available for standard items, and we also accept quotes for custom products. ★ For more details, please download and check! ★ We offer free shipping of booklet versions; you can request as many copies as you need here: https://hirosugi.co.jp/form_hirosugi/index.php

【PTFE】 Fluororesins have many excellent characteristics, such as heat resistance, chemical resistance, wear resistance, non-stick properties, insulation, and weather resistance. Utilizing these features, fluororesins play an important role in various fields, from everyday items like cooking utensils to cutting-edge industries such as semiconductors, chemicals, electronics, machinery, and medical applications. 【Semiconductor Mounting Spacers】 These spacers maintain a consistent height for semiconductor and electronic components mounted on printed circuit boards, are less affected by humidity, improve spacing with solder points, and enhance maintenance. *Includes mounting for transistors, triacs, diodes, fixed resistors, inductors, thyristors, quartz oscillators, and more. Feel free to request a quote. ★ We provide high-quality, low-cost, diverse products in small lots with immediate delivery. ★ Same-day shipping available for standard items, and we also accept quotes for custom products. ★ For more details, please download and check! ★ We offer free shipping of booklets; you can request as many as you need here: https://hirosugi.co.jp/form_hirosugi/index.php

[LED Mounting Spacer] This is an LED mounting spacer effective for stabilizing installation height, preventing tipping, protecting lead wires, and providing insulation. There are two types available: for round LEDs and for square LEDs. It connects LED heads with diameters of "3φ and 5φ" without waste using a 10P connection with a pitch of 5.08. It can be easily cut to any number below 10P (no cutting tools required). The mounting orientation can be used both vertically and horizontally. Square type (for two legs only) and round type (compatible with two legs and three legs). ● For other functions and features, please refer to the catalog or contact us.

Titanium is a strong, lightweight metal with excellent corrosion resistance. Its specific gravity is about 50% that of iron, yet it possesses strength comparable to steel. The oxide film provides outstanding corrosion resistance, demonstrating complete resistance to seawater. There is no degradation due to material history such as welding, processing, or heat treatment, and it is also non-toxic and highly biocompatible. 【Product Lineup】 - Hexagonal spacers: (pure titanium) - Hexagonal spacers: (pure titanium) - Washers (pure titanium) - Screws and bolts (pure titanium, β titanium) - Flat washers (pure titanium) - Spring washers (pure titanium) *Currently, we are offering a comprehensive catalog for free. *For more details, please download the PDF or contact us.

【Black Oxide Coated Spacer】 The black oxide treatment enhances rust resistance (corrosion resistance) and chemical resistance while achieving a luxurious black finish. Due to its excellent decorative properties, it is used in exterior parts, machine tools, medical devices, and jigs and tools. 【Material】 - Brass (C3604BD) 【Treatment】 - Black oxide treatment 【Shape】 - Both male threads - Male thread × female thread - Male thread × female thread (without incomplete thread section) - Male thread - female thread For detailed product specifications, please refer to the catalog.

【Tapping Screw Spacer】 This is a spacer that allows you to screw it in while tapping by using a tapping screw for the male thread part. It can be installed simply by drilling a pilot hole, reducing the number of work processes and improving work efficiency. 【Material】 - Brass (C3604BD) - SUS303 - Free-cutting steel (SUM) 【Processing】 - Brass (C3604BD) × Nickel plating - Brass (C3604BD) × No plating - SUS303 × Degreased - Free-cutting steel (SUM) × Trivalent chromium chromate treatment 【Shape】 - Male thread × Female thread ⇒ The male thread part is processed as a tapping screw. Please refer to the catalog for product specifications.

Ceramic parts, which possess performance that cannot be matched by metals, are chosen for designs that require high-temperature environments and insulation properties. This product made of alumina not only has heat resistance up to 1300°C but also boasts high insulation, non-magnetic properties, and chemical resistance, providing stable performance even in harsh environments such as electronic devices, semiconductor equipment, and optical instruments. For challenges such as "not wanting shape changes at high temperatures," "avoiding electrical interference," and "needing resistance to chemicals and corrosion," we offer solutions starting from small spacers, washers, and even a single screw. As a lightweight alternative to metals like stainless steel, we contribute to weight reduction. We have a diverse lineup of shapes, including hex bolts compatible with gas venting and nuts that utilize insulation properties. Please consider us as a solution for thermal design challenges. *For more details, please download the materials or contact us.*

【Material】 - PBT (Polybutylene Terephthalate) 【Features List】 - Friction and heat resistance - Electrical properties - Mechanical properties - Oil resistance - Chemical resistance - Low water absorption, extremely good dimensional stability 【Various Spacers】 For mounting on printed circuit boards - Hexagonal both ends threaded - Hexagonal male-female threaded (brass male thread press-fit) - Hexagonal male-female threaded (brass male thread adhesive) - Round both ends threaded (brass both ends threaded press-fit) - Round male-female threaded (brass male-female threaded press-fit) - Round hollow (gray-white, black) 【LED Mounting Spacers】 For fixing LED height, preventing tipping, protecting lead wires, insulation - LED types: round, square - Mounting direction: suitable for vertical and horizontal, vertical mounting, 22°, 30°, 45°, 67° - Mounting legs: 2-legged, 3-legged, 4-legged We also accept custom orders with various dimension changes such as screw diameter (length), mounting dimensions, and effective screw length. We also handle bushings made of PTB.

【PTFE Spacer】 Fluororesin has many excellent characteristics such as heat resistance, chemical resistance, abrasion resistance, non-stick properties, insulation, and weather resistance. Utilizing these features, fluororesin plays an important role in various aspects of daily life, from cooking utensils to cutting-edge industries such as semiconductors, chemicals, electronics, and medical fields. 【Products Offered】 ● Spacers ● Washers ● Bushings ● Screws/Bolts/Nuts Please refer to the catalog for detailed product specifications.

【JuraCon Spacer】 POM has particularly balanced mechanical properties such as wear resistance, creep resistance, sliding properties, self-lubrication, oil resistance, dimensional stability, and corrosion resistance. It is a relatively low-cost material among engineering plastics and is widely used in many industrial components. Due to its lightweight and insulating properties, it can be widely used as an alternative to metal materials. ★POM EX-09 (blue) is also suitable for food-related applications. 【Contents】*Excerpt ■Hexagonal and Round Types - Both male threads - Male and female threads - Short male threads - Both female threads - Hollow ■Special Types - One-touch board mounting - Vertical mounting for boards - For tapping screws ■Available Colors Milky white, black, blue We also have a wide range of washers and bushings made from POM products. Please feel free to request a quote.

【CF-E】 - Shape: Round type, hollow - Material: Free-cutting steel (SUM) - Treatment: Trivalent chromium chromate - Size: For M1.7~M12 【CF-E】 - Shape: Round type, hollow - Material: Free-cutting steel (SUM) - Treatment: Electroless nickel plating - Size: For M1.7~M12 【CF-ZE】 - Shape: Round type, hollow - Material: Steel plate (SPCC) - Treatment: Trivalent chromium chromate - Size: For M2~M10 Custom production is also possible if the shape is close to standard products. Please feel free to request a quote.

【Materials Handled】 - Brass --------- High strength, conductivity, mass production capability, low cost - Stainless Steel - High strength, corrosion resistance, heat resistance, chemical resistance - Aluminum ------ Lightweight, non-magnetic, corrosion resistance, recyclability - Delrin --------- Lightweight, insulating properties, mass production capability, low cost - PPS ----------- Lightweight, chemical resistance, heat resistance, high strength 【Standards Handled】 - M2.6, M3, M4

【Product Lineup】 ○ Brass Washers (Nickel Plated, Unplated) ○ Iron Washers (Trivalent Chromium Chromate) ○ Aluminum Washers (Raw, Black Coated) ○ SUS303 Washers (Degreased) ○ SUS304 Washers (Degreased, Black Coated) ○ Phosphor Bronze (Unplated) ○ Pure Titanium (Degreased) 【Mounting Sizes】 ○ Screw Diameter: For M3 to M16 (Inner Diameter d=3.2 to 16.2)

【Products】 - Bushings - Thick Flange Bushings 【Bushings】 Material Color - Duracon Milky white - Duracon Black - PTFE Opaque white - PTFF Black - PBT Grayish white - PBT Molding Grayish white - Peek Light brown - Peek Molding Light brown - PPS Molding Dark brown - MC Nylon Blue - ABS Ivory - ABS Black - Bakelite Brown 【Mounting Size】 - For M2 to M16 (Inner diameter d=2.0 to 16.2) 【Thick Flange Bushings】 Material Color - Duracon Milky white, Black - PTFE Opaque white - Peek Light brown 【Mounting Size】 - For M2.6 to M12 (Inner diameter d=2.6 to 12.2) We also offer metal bushings with excellent strength. Please refer to the catalog for detailed product specifications.

In recent years, there has been an expanding demand across various fields for materials that leverage excellent characteristics such as heat resistance, mechanical strength, chemical resistance, flame retardancy, dimensional stability, and creep resistance, making them well-balanced materials. They also exhibit good weather resistance and hydrolysis resistance, and are flame-retardant materials even without the addition of flame retardants. In the field of electronic components, there has been an increasing adoption of these materials for connectors and various electronic parts due to their excellent heat resistance and dimensional stability. In the automotive parts sector, demand is growing as alternatives to metals, phenolic resins, and PA-based materials, thanks to their heat resistance, dimensional stability, and chemical resistance. We offer a wide range of molded products, including metal insert-molded items, screw-in products, and insulated types. 【Products Offered】 - Spacer - Both male threads - Spacer - Male thread × Female thread - Spacer - Male thread × Female thread (without incomplete threaded section) - Spacer - Male thread × Female thread - Spacer - Both female threads - Washer - Bush - Screw - Bolt - Nut For detailed product specifications, please refer to the catalog.

The PSB spacer is designed for mounting on thin plates, featuring a special shape on the male thread to allow screws to be inserted directly into the plate. 【Material】 - Brass (C3604BD) 【Treatment】 - Nickel plating 【Available Standards】 - M2.6, M3, M4 For more details, please refer to the catalog.

Spacers for the mainstream inch screw standards in the United States While metric screws are mainstream in Japan, inch screws are widely distributed in countries like the United States. 【Material】 - Brass (C3604BD) 【Shape】 - Hexagonal flat diameter 4.75 (both male threads, male and female threads) - Hexagonal flat diameter 6.35 (both male threads, male and female threads) 【Treatment】 - Nickel plating 【Handling Standards】 - #4-40UNC - #6-32UNC These spacers are custom-produced from materials to accommodate the mainstream inch screws used abroad. In addition to spacers, we also handle inch screws. For more details, please refer to the catalog.

Aluminum is approximately one-third the weight of brass and iron spacers, making it ideal for weight reduction. It is non-magnetic, corrosion-resistant, and excels in lightweight, high strength, electrical conductivity, and thermal conductivity. Its use has been increasing in the fields of electronic and mechanical components, where miniaturization and weight reduction of products have advanced in recent years. It has also been certified as part of Kawasaki City's manufacturing brand, and starting from new products in 2021, we have added the "M5" screw standard, which can be installed on large products. 【Shapes】 - Hexagonal both male threads / male-female threads / both female threads - Round both male threads / male-female threads * Slit types also available - Round hollow - Short spacers - Different diameter spacers (size difference in male-female threads) 【Materials】 Lead-free free-cutting aluminum (CB156) with lead content below 10 ppm Lead-free free-cutting aluminum (KS26) with lead content below 300 ppm 【Processing】 Acid washing treatment: Usable for mounting on printed circuit boards without plating Kanizen plating treatment: Features uniform film thickness, high corrosion resistance, and high hardness, used in a wide range of industrial products Black anodizing treatment: By electrolyzing the surface layer of aluminum, it oxidizes and generates a thick oxide film. It has excellent heat resistance and corrosion resistance, is electrically insulating and hard, and has good wear resistance. For detailed product specifications, please refer to the catalog.