Essentra 16FWRT375062 Natural Nylon 6/6 Retaining Washer, 0.564" Inside Diameter, 0.891" Outside Diameter, 0.062" Thickness, Compatible Screw Sizes 3/8"

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.