ProductsWashers Products Washers Circlips Metal Clips Spring Pins Nuts Speed Nuts Customized Parts CW200131 Name :Special Internal Tooth Lock Washers Material :Carbon Steel, Stainless Steel, Other Materials Hardness :HRC 38~52 Size :M2~M26 Description :SEMS screws feature attached washers. Specification Back Related Products CW200118 CW200123 CW200124 CW200125