Black Duracon Set Washer / DDS-B
This product is a set washer made from excellent mechanical strength, wear resistance, and slip properties of Delrin (POM: polyacetal). It is used by inserting it between the bolt or screw and the material being fastened during tightening. By distributing the load when tightening the screw over a wide area, it reduces the stress on the tightening surface, helps prevent dents and scratches on the material, and protects the seating surface. Additionally, by using a flat washer, it stabilizes the fastening surface and supports the tightening condition of the bolt or screw. In addition to the excellent mechanical strength and wear resistance unique to Delrin (POM), it also features good dimensional stability and low friction characteristics. Taking advantage of its excellent slip properties, it is a resin set washer suitable for fastening and mechanical parts where wear resistance and low friction characteristics are required, including various general industrial machinery and surrounding mechanism components.
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basic information
■Specifications - Material: Duracon (POM) - Color: Black - Heat distortion temperature: 1.82MPa…110℃ - UL standard: UL94-HB (material) ■Size Variants - Nominal diameter: for M2 / for M2.6 / for M3 / for M4 / for M5 / for M6 ■EU-RoHS - Compliant with EU-RoHS2
Price information
For more details, please check our website or catalog, or feel free to contact us.
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Applications/Examples of results
We offer a variety of products that can be used for various applications such as printed circuit board assembly, electronic component assembly, semiconductor assembly, relay terminal assembly, distribution board components, robot parts, industrial machinery, machine tool parts, water treatment machinery parts, FA equipment, mobile communications, mobile mobility, and base station-related components.
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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.




