Metric Size,
Ribbed Lock Washers
Steel or Stainless Steel
BN 791

RoHS Compliant
 

Specification
Steel version: Spring steel, blackened
Stainless steel version: A2 stainless steel

  Information
For use with hex cap and machine screws.
When the screw is tightened, the serrations crunch into the mating faces which prevents the screw from loosening up due to vibrations, etc. Used for high vibration resistance due to positive rib contact; excellent pretensioning.
Other DIN metric fasteners available upon request.

 
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Dimensions in:

millimeters

Part Number
Fits Thread Size
d1
d2
s
h
Steel
A2 Stainless Steel
M5
5
8.5
.6
1.1
M6
6
10
.7
1.2
M8
8
13
.8
1.4
--
M10
10
16
1.0
1.6