Rubber washer
Oil-resistant, heat-resistant, and chemical-resistant. A diverse lineup of rubber washers that support harsh environments.
■ 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)
basic information
【Materials Used】 - Weather-resistant and general-purpose: CR (Chloroprene), EPDM - Oil-resistant and abrasion-resistant: NBR, CNR, Urethane - Heat-resistant and high-performance: Silicone rubber (50° / 70°), Fluoro rubber - Vibration-damping and high-performance: Hanenite, Hanenite (V-0)
Price information
For more details, please check the catalog or website.
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Applications/Examples of results
Mounting of printed circuit boards, robot parts, industrial machinery, communication equipment, distribution boards, chemical-resistant equipment, etc.
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We, Hirosugi Instruments, are a comprehensive manufacturer of mechanical and electronics parts, dealing with spacers, terminals, washers, bushes, screws, and more. Our wide range of products boasts a diverse lineup that matches various applications, and we have received high praise from customers in various industries for providing multifunctional, high-quality products with short delivery times and low costs. From product development to design, procurement, and technical support, we provide one-stop support through our product offerings. ■ Company Features ■ 1: Offering a diverse selection of over 118,000 standard parts. 2: One of the largest spacer lineups in Japan. 3: Free shipping for orders over 3,000 yen (excluding tax). 4: Orders can be placed starting from a minimum lot of 50 pieces. 5: High-quality standard products at ISO levels. 6: Fast delivery from our own stock for all products. 7: Affordable pricing with cost control. 8: Support for issuing various certificates. 9: Actively supporting the production of custom products. 10: Providing consistent and specialized services.