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 M10 Bolt
Actual Inside Diameter 10.5mm
Outside Diameter 21mm
Tab width 10mm
Length of long tab 22mm from Centre of hole to the end
Length of short tab 13mm from Centre of hold to end
Thickness 0.75mm
