M3 x 8mm x 1mm Round Flat Nylon Shoulder Washer Gasket Seal Rings White 100 Pcs

Normally used to distribute loads of threaded bolts screws and nuts evenly as the fastener is tightened. Intended for the general use under the head of a bolt or nut in order to provide a smooth-bearing surface. Flat nylon insulation spacer washer gasket ring it is ideal for mounting between PCB circuit boards and machine boards.