廣杉計器 List of Products and Services

"KK" is a resin washer compliant with RoHS. 【Specifications】 ■ Material: Polyimide film Kapton ■ Color: Brown (translucent) ■ Operating temperature: -269℃ to 400℃ (material) ■ UL standard: UL94V-0 (material) ■ RoHS compliant product ■ Minimum order quantity: 50 pieces or more *For more details, please refer to the PDF document or feel free to contact us.

"QQ" is a resin washer compliant with RoHS. 【Specifications】 ■ Material: Silicone rubber ■ Color: Translucent ■ Heat resistance temperature: 0.45MPa…225℃ ■ RoHS compliant product ■ Minimum order quantity: 50 pieces～ *For more details, please refer to the PDF document or feel free to contact us.

"EE-W" is a resin washer compliant with RoHS. 【Specifications】 ■Material: Fiber ■Color: White ■Heat resistance temperature: Continuous 105℃ ■UL standard: UL94-HB (material) ■RoHS compliant product ■Order quantity: 50 pieces or more *For more details, please refer to the PDF document or feel free to contact us.

"EE-R" is a resin washer compliant with RoHS. 【Specifications】 ■Material: Fiber ■Color: Red ■Heat resistance temperature: Continuous 105℃ ■UL standard: L94-HB (material) ■RoHS compliant product ■Minimum order quantity: 50 pieces～ *For more details, please refer to the PDF document or feel free to contact us.

"VV" is a resin washer compliant with RoHS. To improve the cold flow (creep phenomenon) weakness of PTFE, it is blended with inorganic fillers. 【Specifications】 ■ Material: PTFE (with fillers) ■ Color: Light brown ■ Usable temperature: -200℃ to 200℃ (material) ■ UL standard: UL94V-0 (equivalent, material) ■ RoHS compliant product ■ Minimum order quantity: 50 pieces or more *For more details, please refer to the PDF document or feel free to contact us.

"XX" is a resin washer compliant with RoHS. 【Specifications】 ■Material: Phenolic resin ■Color: Brown ■RoHS compliant product ■Order quantity: 50 pieces or more *For more details, please refer to the PDF document or feel free to contact us.

"PPW" is a resin washer compliant with RoHS. 【Specifications】 ■Material: Polypropylene (PP) ■Color: Translucent ■UL Standard: UL94-HB (Material) ■RoHS compliant product ■Minimum order quantity: 50 pieces～ *For more details, please refer to the PDF document or feel free to contact us.

"VCW" is a resin washer compliant with RoHS. 【Specifications】 ■Material: PVC (Polyvinyl Chloride) ■Color: Gray ■RoHS compliant product ■Order quantity: 50 pieces or more *For more details, please refer to the PDF document or feel free to contact us.

"CC" is a resin washer compliant with RoHS. 【Specifications】 ■ Material: Delrin (POM) ■ Color: Milky white ■ Heat resistance temperature: 1.82MPa…110℃ ■ UL standard: UL94-HB (material) ■ RoHS compliant product ■ Minimum order quantity: 50 pieces～ *For more details, please refer to the PDF document or feel free to contact us.

The purpose of a spring washer is to prevent loosening and falling off. By inserting a spring washer, it bites into both the head of the screw and the nut, demonstrating its effectiveness in preventing loosening. ● Materials handled Phosphor bronze, iron, stainless steel, stainless steel 316 ● Mounting sizes M2, M2.6, M3, M4, M5 *For details, please contact us or download the catalog. Currently, we are offering a free sample set of 30 types of products with the application for the catalog booklet version. Please apply through our website's "Catalog Request" or contact us.

PTFE washers. These are rings primarily placed under the heads of nuts, bolts, screws, etc., to stabilize them. ◆Features - The fluororesin material is a void-free, milky-white product made from fluororesin powder. - Utilizing excellent chemical stability, electrical properties, and low friction coefficient, it is used in electrical insulation materials, heat resistance, and chemical resistance required for mechanical parts, as well as gaskets, packing, and in fields such as electrical, mechanical, and scientific applications. - Made from UL94V-0 certified material. - Heat resistance, chemical resistance, electrical properties (high-frequency characteristics), non-stick properties, self-lubricating properties. *For more details, please contact us or download the catalog. Currently, we are offering a free booklet along with a set of 30 product samples. Please apply through inquiries or the "Catalog Request" section on our website.

At Kōsan Instruments, we handle over 7,800 types of washers. 【Items Available】 ○ SUS303 Washers (Degreased) ○ SUS304 Washers (Degreased) ○ SUS304 Washers (Black Oxide Treatment) ○ Brass Washers (Nickel Plated) ○ Brass Washers (Unplated) ○ Iron Washers (Trivalent Chromium Chromate) ○ Iron Washers (Electroless Nickel) ○ Aluminum Washers (Raw) ○ Aluminum Washers (Black Anodized) ○ Phosphor Bronze (Unplated) ○ Pure Titanium (Degreased) *For details, please contact us or download the catalog. ＝＝＝＝ Currently, we are offering a free booklet along with a set of 30 product samples! Please apply through inquiries or via the "Catalog Request" on our website. ＝＝＝＝

These are components that solve insulation, chemical resistance, and strength issues in electrical devices and chemical equipment. Hirosugi Instrument's washers come in a variety of materials, including metal, resin, and rubber. We offer a wide range of resin materials such as PPS and PTFE, as well as metals like SUS and titanium. We have over 19,000 standards available, with sizes ranging from M1.7 to M24. For more details, please download the materials or contact us.

[NBR Washer] A washer made from NBR material. Its main features include oil resistance, abrasion resistance, and aging resistance. Hardness: 70° (Durometer Type A). The washer is used between the seating surface and the tightening part when tightening small screws or bolts. It helps prevent scratches on the counterpart material and enhances adhesion when the hole diameter of the counterpart material is larger than that of the screw, stabilizing the screw head. For detailed product specifications, please refer to the catalog.

[CNR Washer] A washer made of NBR material. Its main features include oil resistance, abrasion resistance, aging resistance, heat resistance, and electrical insulation. In terms of chemical resistance, it excels in alkali resistance, alcohol resistance, and amines. Hardness: 65° (Durometer Type A). The washer is used by placing it between the seating surface and the tightening part when tightening small screws or bolts. It prevents damage to the counterpart material, enhances adhesion when the hole diameter of the counterpart material is larger than the screw, and stabilizes the screw head. For detailed product specifications, please refer to the catalog.

It is widely used in food machinery, industrial machinery, electronic components, scientific instruments, and mechanical parts, utilizing excellent chemical resistance, lubricity, heat resistance, electrical properties, and low friction coefficients. When tightening small screws or bolts, it is used between the seating surface and the tightening part. It prevents scratches on the counterpart material, and when the hole diameter of the counterpart material is larger than that of the screw, it enhances adhesion and stabilizes the screw head. Additionally, spacers, bushes, screws, etc. are available in the lineup. For detailed specifications, please refer to the catalog or contact us.

MC nylon has a high molecular weight and degree of crystallinity, making it excellent in various properties such as mechanical properties, thermal properties, wear resistance, chemical resistance, and fatigue resistance. It has resistance to instantaneous external forces and is impact-resistant. By leveraging its high water absorption characteristics, flexibility is increased along with improved impact resistance. It is used by placing it between the seating surface and the tightening part when tightening small screws or bolts. It prevents scratches on the counterpart material, and when the hole diameter of the counterpart material is larger than the screw, it enhances adhesion and stabilizes the screw head. Additionally, there are bushings available in the lineup. For detailed product specifications, please refer to the catalog.

【PVDF Washer】 A washer made from PVDF material. It has high mechanical strength among fluoropolymer resins and excellent workability. It also excels in chemical resistance, wear resistance, and impact resistance, particularly in weather resistance (UV). It is used by placing it between the seating surface and the tightening part when tightening small screws or bolts. It prevents scratches on the counterpart material and enhances adhesion and stability of the screw head when the hole diameter of the counterpart material is larger than that of the screw. A lineup of screws, nuts, and bolts is also available. Please refer to the catalog for detailed product specifications.

【CR Washer】 A washer made from CR (chloroprene rubber). Its main features include weather resistance, ozone resistance, heat resistance, and chemical resistance. Hardness: 65° (Durometer Type A). The washer is used between the seating surface and the tightening part when tightening small screws or bolts. It helps prevent damage to the counterpart material, and when the hole diameter of the counterpart material is larger than that of the screw, it enhances adhesion and stabilizes the screw head. Please refer to the catalog for detailed product specifications.

【Material Information】 General properties of rubber (mechanical strength, heat resistance, wear resistance, chemical resistance, etc.) Please refer to the comparison of various rubber properties. ■Rubber (List of Materials) - CR (Chloroprene Rubber) - CNR - NBW (Nitrile Rubber) - EPW (Ethylene Propylene Rubber) - SIW (Silicone Rubber 50°) - SIW-G (Silicone Rubber 70°) - UREW (Urethane Rubber) - FLW (Fluoro Rubber) - HAW (Hennecke) - HVW (Nitrile Rubber) Hirose Instruments offers over 7,000 types of rubber washers, so please take a look here. https://www.ipros.jp/product/detail/2000615756

At Hirosugi Keiki Co., Ltd., we offer a variety of rubber washers made from materials such as CR, NBR, CNR, EPDM, and silicone rubber. We support our customers with a wide range of products, small lots, and short delivery times.

Available in a wide range of sizes and materials for various applications. Products start from 5 yen each, and orders can be placed with a minimum lot of 50 pieces for same-day shipping at the earliest.

Shock-absorbing nylon washer "NQW" and set washer "NQS" Shock-absorbing nylon has excellent properties of "flexibility," "toughness," and "impact strength," allowing it to absorb shocks by deforming without breaking during impact. The color is white and translucent. The heat resistance temperature is 57°C at 1.82MPa. It meets UL standard UL94V-2 (material). It is compliant with RoHS2. For more details, please download the catalog.

At Hirosugi Keiki Co., Ltd., we offer a variety of "rubber washers" made from materials such as CR, NBR, CNR, EPDM, and silicone rubber. We support our customers with a wide range of products, small lots, and short delivery times. 【Types】 ○ CR Washer ○ CNR Washer ○ NBR Washer ○ EPDM Washer ○ Silicone Rubber 50° Washer ● For more details, please refer to our catalog or feel free to contact us.

At Hirosugi Keiki Co., Ltd., we offer a variety of "metal washers" made from materials such as brass and iron. We support our customers with a wide range of products, small lots, and short delivery times. [Types] ○ Brass washers ○ Iron washers ○ Aluminum washers ○ SUS303 washers ○ SUS304 washers ○ Phosphor bronze ○ Pure titanium For more details, please refer to our catalog or feel free to contact us.

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. 【Features】 ○ Set washers ○ 4 items 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. 【Features】 ○ Flat washers ○ 27 items 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. 【Features】 ○ Flat washers ○ 123 items For more details, please contact us or download the catalog.

At Hirosugi Instruments Co., Ltd., we offer a variety of "resin washers," including "flat washers," "set washers," and "rosette washers." We support our customers with a wide range of products, small lots, and short delivery times. For more details, please contact us or download our catalog.

The PVDF washer "PVW" is a resin washer made of PVDF material. It is opaque white in color. The heat distortion temperature is 72°C at 1.82 MPa. It meets UL standards of UL94V-0 (material). It is compliant with RoHS. For more details, please download the catalog.

Ceramics washer "RR". The material used is alumina 96. The color is white. The heat resistance temperature is 1300°C. It is compliant with RoHS. For more details, please download the catalog.

The Renny (black) washer "RYW-B" is a resin washer made from Renny material. The color is black. The heat distortion temperature is 234°C at 1.82MPa. It complies with UL standards, specifically UL94-HB (material). It is RoHS compliant. For more details, please download the catalog.

Lenny Washer "RYW" is a resin washer. The material used is Lenny. The color is light green. The heat distortion temperature is 234°C at 1.82MPa. The UL standard is UL94-HB (material). It is compliant with RoHS. For more details, please download the catalog.

The PEEK washer "PEW" is a resin washer made from PEEK material. Its color is light brown. The heat distortion temperature is 152°C at 1.82MPa. It meets UL standards of UL94V-0 (material). It is compliant with RoHS. For more details, please download the catalog.

The Polyslider cut washer "LLC" is a resin cut washer. The material used is Polyslider. The color is black. The heat resistance temperature is 1.82MPa at 65°C. The UL standard is UL94-HB (material). It is compliant with RoHS. For more details, please download the catalog.

The "LL" poly slider washer is a resin washer made from poly slider material. It is black in color. The heat resistance temperature is 1.82MPa at 65°C. It complies with UL standard UL94-HB (material). It is RoHS compliant. For more details, please download the catalog.

The PPS washer "PSW" is a resin washer made from PPS material. Its color is light brown. The heat resistance temperature is 260°C at 1.82MPa. It complies with UL standard UL94V-0 (material). It is RoHS compliant. For more details, please download the catalog.

The polycarbonate washer "PCW" is a resin washer made from polycarbonate material. It is transparent in color. The heat resistance temperature is 130°C at 1.82MPa. It meets UL standard UL94V-2 (material). It is compliant with RoHS. For more details, please download the catalog.

The nylon washer "NN-M" is a resin washer made from nylon 66. It is translucent in color. The heat resistance temperature is 75°C at 1.82MPa. It complies with UL standard UL94V-2 (material). It is RoHS compliant. For more details, please download the catalog.

The black nylon washer "NN-B" is a resin washer made from nylon 6. It is black in color. The heat resistance temperature is 65°C at 1.82MPa. It complies with UL standard UL94-HB (material). It is RoHS compliant. For more details, please download the catalog.

The nylon washer "NN" is a resin washer made from nylon 6. It is semi-transparent in color. The heat resistance temperature is 65°C at 1.82MPa. It meets UL standards of UL94-HB (material). It is compliant with RoHS. For more details, please download the catalog.

The PTFE washer "TT" is a resin washer made of PTFE. It is opaque white in color. The heat resistance temperature is continuously 240°C and it is non-flammable. It meets UL standards of UL94V-0 (material). It is compliant with RoHS. For more details, please download the catalog.

The black Duracon washer "CC-B" is a resin washer made from Duracon (POM). The color is black. The heat distortion temperature is 110°C at 1.82 MPa. It meets UL standards of UL94-HB (material). It is compliant with RoHS. For more details, please download the catalog.

■Product Information Pin Header A "Pin Header" is used to serve as a circuit terminal by being inserted (DIP) or soldered onto a printed circuit board (P.C.B.) through surface mounting (SMT). It is also used to secure space between multiple circuit boards by being placed between them. Socket A "Socket" is used to connect circuits by being inserted (DIP) or soldered onto a printed circuit board (P.C.B.) through surface mounting (SMT) and serves as the receiving side for inserting (removing) pins. It is also used to secure space between circuit boards and to fix them together, similar to pins. Jump Socket A "Jump Socket" is used to short adjacent pins by being attached to the pins, allowing for configuration changes, upgrades, and resets of the circuit on the printed circuit board. If you would like a product sample, please specify the desired part number (size) and apply through the inquiry section.