Natural Nylon 6/6 - 5.1 mm | 0.200 in; 10.7 mm | 0.421 in; Thickness 3 mm | 0.120 in; Compatible Screw Sizes #10

Retaining Washer that lock and seal nuts bolts in position. Allows preliminary mounting of the bolt before screwing with a nut. The tapered design retains the screw prior to assembly. It cold forms and fully enters the pitch of the screw to provide sealing.