廣杉計器 List of Products and Services

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.

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 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 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-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 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 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.

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.

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】 ○ Set washers ○ 4 items For more details, please contact us or download the catalog.

【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.

【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.

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.

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.

[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.

[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.

"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.

"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.

"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.

"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.

"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.

"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.

"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.

"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.

"LUW" is a resin washer compliant with RoHS. 【Specifications】 ■Material: Lumira ■Color: Translucent ■Heat resistance temperature: 69℃ ■UL standard: UL-94VTM-2 (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.

"DRW/DRW-B/NRW" is a resin washer compliant with RoHS. 【DRW-00/DRW-00B Specifications】 ■ Material: Delrin (POM) ■ Color: Milky white, black ■ Heat distortion 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.

"PES/DDS (-B)/TTS/NNS/NNRS-B" is a resin washer compliant with RoHS. 【PES-0000-00 Specifications】 ■ Material: PEEK (Polyether Ether Ketone) ■ Color: Light brown ■ Heat distortion temperature: 1.82MPa…152℃ ■ UL standard: UL94V-0 (material) ■ Minimum order quantity: 50 pieces～ *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce the "Resin Washers" handled by Koushan Instruments. Our lineup includes the PEEK set washer "PES-0000-00," the Delrin set washer "DDS-0000-00," and the nylon set washer "NNS-0000-00," among others. Please feel free to consult us when you need assistance. 【Lineup】 ■ PEEK Set Washer PES-0000-00 ■ Delrin Set Washer DDS-0000-00 ■ Black Delrin Set Washer DDS-0000-00B ■ PTFE Set Washer TTS-0000-00 ■ Nylon Set Washer NNS-0000-00 ■ Black Nylon Set Washer NNRS-0000-00B *For more details, please refer to the related links or feel free to contact us.

■Features ・This is a rosette washer made of Duracon. ・The rosette washer, also known as a serrated washer, has a conical hole in the center and looks like a mountain when viewed from the side. ・Its main role is to prevent the sinking of the seating surface, similar to a flat washer, but it is specifically designed for use with countersunk screws. ・When using countersunk screws, a tapered recess is required on the receiving side, but by using this rosette washer, countersunk screws can be used on flat surfaces as well. ・EU-RoHS2 compliant product.

■Features - This is a rosette washer made of black Duracon. - The rosette washer, also known as a serrated washer, has a conical hole in the center and resembles a mountain shape when viewed from the side. - Its main role is the same as that of a flat washer, which is to prevent the sinking of the seating surface, but it is specifically designed for use with countersunk screws. - When using countersunk screws, a tapered recess is required on the receiving side, but by using this rosette washer, countersunk screws can be used on flat surfaces as well. - Compliant with EU-RoHS2.

■Features - It is a nylon rosette washer. - The rosette washer, also known as a serrated washer, has a conical hole in the center and looks like a mountain when viewed from the side. - Its main role is to prevent the sinking of the seating surface, similar to a flat washer, but it is specifically designed for use with countersunk screws. - When using countersunk screws, a tapered recess is required on the receiving side, but by using this rosette washer, countersunk screws can be used on flat surfaces as well. - Compliant with EU-RoHS2.

■Features - This is a set washer made of Duracon. - The set washer functions similarly to a flat washer, but by forming protrusions or tabs in the inner diameter, it engages with the screw to prevent the washer from falling off. - It facilitates tightening work and is particularly effective in tasks that use small screws. - The washer is a thin disc with a hole in the center for passing a screw through. - Compliant with EU-RoHS2 standards.

■Features - This is a set washer made of black Duracon. - The set washer functions similarly to a flat washer, but by forming protrusions or tabs in the inner diameter, it engages with the screw to prevent the washer from falling off. - It facilitates tightening work and is particularly effective in tasks that use small screws. - The washer is a thin disc with a hole in the center for passing a screw through. - Compliant with EU-RoHS2 standards.

■Features ・This is a nylon set washer. ・The set washer functions similarly to a flat washer, but by forming protrusions or tabs on the inner diameter, it engages with the screw to prevent the washer from falling off. ・It facilitates tightening work and is particularly effective in tasks that use small screws. ・The washer is a thin disc with a hole in the center for passing a screw through. ・Compliant with EU-RoHS2 standards.

■Features ・This is a nylon set washer. ・The set washer functions similarly to a flat washer, but by forming protrusions or tabs on the inner diameter, it engages with the screw to prevent the washer from falling off. ・It facilitates tightening work and is particularly effective in tasks that use small screws. ・The washer is a thin, disc-shaped component with a hole in the center for passing a screw through. ・Compliant with EU-RoHS2 standards.

■Features ・This is a set washer made of PTFE. ・The set washer functions similarly to a flat washer, but by forming protrusions or tabs on the inner diameter, it engages with the screw to prevent the washer from falling off. ・It facilitates tightening work and is particularly effective in tasks that use small screws. ・The washer is a thin disc with a hole in the center for passing a screw through. ・Compliant with EU-RoHS2 standards.

■Features - This is a set washer made of polycarbonate. - The set washer functions similarly to a flat washer, but by forming protrusions or tabs in the inner diameter, it engages with the screw to prevent the washer from falling off. - It facilitates tightening work and is particularly effective in tasks that use small screws. - The washer is a thin disc with a hole in the center for passing a screw through. - Compliant with EU-RoHS2 standards.

■Features - This is a shock-absorbing nylon set washer. - The set washer functions similarly to a flat washer, but by forming protrusions or tabs in the inner diameter, it engages with the screw to prevent the washer from falling off. - It facilitates tightening operations and is particularly effective in tasks that use small screws. - The washer is a thin disc with a hole in the center for passing a screw through. - Compliant with EU-RoHS2 standards.

■Features - This is a set washer made of PPS. - The set washer functions similarly to a flat washer, but by forming protrusions or tabs in the inner diameter, it engages with the screw to prevent the washer from falling off. - It facilitates tightening work and is particularly effective in tasks using small screws. - The washer is a thin disc with a hole in the center for passing a screw through. - Compliant with EU-RoHS2.

■Features - This is a set washer made by Peak. - The set washer functions similarly to a flat washer, but by forming protrusions or tabs in the inner diameter, it engages with the screw to prevent the washer from falling off. - It facilitates tightening work and is particularly effective in tasks that use small screws. - The washer is a thin disc with a hole in the center for passing a screw through. - Compliant with EU-RoHS2.

■Features ・This is a flat washer made of Duracon. ・Washers are generally used by placing them between the screw and the workpiece when tightening screws, to prevent loosening of the screw, protect the fastening surface from damage, and stabilize the seating surface. ・Washers are thin, disc-shaped, and have a hole in the center for the screw to pass through. ・By placing a flat washer between the screw and the workpiece, the seating area is increased, which reduces the surface pressure on the material, maintaining a certain fastening force and preventing loosening of the screw, damage to the fastening surface, and stabilizing the seating surface. ・Refers to flat washers, round washers, and plain washers (sometimes abbreviated as "W"). ・Compliant with EU-RoHS2.

■Features - This is a flat washer made of Duracon. - Washers are generally used by placing them between the screw and the workpiece when tightening screws, to prevent loosening of the screw, protect the fastening surface from damage, and stabilize the seating surface. - Washers are thin, disc-shaped, with a hole in the center for the screw to pass through. - By placing a flat washer between the screw and the workpiece, the contact area is increased, reducing the surface pressure on the material, which helps maintain a certain fastening force, prevents loosening of the screw, protects the fastening surface from damage, and stabilizes the seating surface. - Refers to flat washers, round washers, round washers, and plain washers (sometimes abbreviated as "W"). - Compliant with EU-RoHS2.

■Features ・It is a flat washer made of fiber. ・Washers are generally used by placing them between the screw and the workpiece when tightening screws, to prevent loosening of the screw, protect the fastening surface from damage, and stabilize the seating surface. ・Washers are thin, disc-shaped, with a hole in the center for the screw to pass through. ・By placing a flat washer between the screw and the workpiece, the contact area is increased, reducing the surface pressure on the material, which maintains a certain fastening force, prevents loosening of the screw, protects the fastening surface from damage, and stabilizes the seating surface. ・Refers to flat washers, round washers, round washers, and plain washers (sometimes abbreviated as "W"). ・Compliant with EU-RoHS2.

■Features - It is a flat washer made of fiber. - Washers are generally used by placing them between the screw and the workpiece when tightening screws, to prevent loosening of the screw, protect the fastening surface from damage, and stabilize the seating surface. - The washer is a thin disc with a hole in the center for the screw to pass through. - By placing a flat washer between the screw and the workpiece, the contact area is increased, reducing the surface pressure on the material, maintaining a certain fastening force, and preventing loosening of the screw, damage to the fastening surface, and stabilizing the seating surface. - Refers to flat washers, round washers, round washers, and plain washers (sometimes abbreviated as "W"). - Compliant with EU-RoHS2.

■Features ・This is a flat washer made of Galapoe material. ・Washers are generally used by placing them between the screw and the workpiece when tightening screws, to prevent loosening of the screw, protect the fastening surface from damage, and stabilize the seating surface. ・Washers are thin, disc-shaped, with a hole in the center for the screw to pass through. ・By placing a flat washer between the screw and the workpiece, the contact area is increased, reducing the surface pressure on the material, thereby maintaining a certain fastening force, preventing loosening of the screw, protecting the fastening surface from damage, and stabilizing the seating surface. ・It refers to flat washers, round washers, round washers, and plain washers (sometimes abbreviated as "W"). ・Compliant with EU-RoHS2.