M16 External Serrated Lock Washer Mild Steel Bright Zinc Plated DIN 6798A
External overlap lock washer, stainless steel grade A2 (304) DIN 6797J. The external overlapping teeth grip to both surfaces whilst tightening, this creates friction in order to stop the nut from coming loose. Overlap washers have a larger surface area than toothed washers for increased load distribution.
External overlap lock washer techincal specification:
- d1 - 6.0mm
- d2 max - 11.0mm
- s - 0.7mm
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