Gray PA Anti-Loss Washer Retaining Washer - 8.4 mm | 0.331 in; 13.0 mm | 0.512 in; Thickness 2.0 mm | 0.079 in; Compatible Screw Sizes M7

Designed to grip outside of screw shank. Easily slides on to the screw and is retained by the screw once assembled. Ideal when pre-assembly of the screw and washer is required. Reduces assembly time and cost.