Tab washers are an additional form of lock washer that features external notches or tabs designed to hold the nut in place in relation to the connecting bolt or stud.
Tabs may be bent or engage into keyways or slots in connected surfaces to provide a positive locking surface.
To fit over M18 Bolt
Actual Inside Diameter 19mm
Outside Diameter 34mm
Tab width 18mm
Length of long tab 36mm from Centre of hole to the end
Length of short tab 20mm from Centre of hold to end
Thickness 1.0mm
