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Metric Split Lock Washer / Black Stainless Steel DIN 127B
Split lock washers exert a spring force between the head of the fastener and the parent material, increasing friction and providing resistance against rotation / loosening from vibration.
DIN 127-B lock washers have square ends.
Material: Stainless Steel
Suitable for damp locations
Corrosion resistant
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.
Also known as general use spring lock metric washer, helical shape washer. Not to be used with reverse thread (left hand) fasteners.
