Detail & Specs
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Metric Black Stainless Steel Fender Washer
Fender washers have larger outer diameters than general purpose flat washers. DIN 9021 Fender washers have an outer diameter that measures 3X the inner diameter.
Use on oversized holes to distribute the load of the fastener over a wider area. Washers also provide a smooth bearing surface against the work surface, protecting it and preventing damage.
Finish: Black Oxide
- Abrasion resistant, does not peel, chip or rub off
- Reduces friction, prevents galling
- Does not change the strength of the stainless steel
- Practically no dimensional change to base fastener
- The spray applied during the coating process wears off over time, revealing an attractive matte black finish
The black oxide coating per MIL-DTL-13924, Class 4 on 300 series corrosion resistant steel meets 96 hours of resistance in a 5% salt spray (fog) test in accordance with ASTM B117. We recommend using stainless steel installation tools to prevent extraneous rust.
Stainless steel washers are commonly used in damp environments. They are popular across a wide range of industries: automotive, agriculture, architectural, sanitation, food processing, clean energy, etc.
Alternative Specification
ISO 7093-1
