Flat washers made of copper,have a tighter seal and high heat resistance than steel and rubber washers. 10 x Copper Washers. Flat washers are used to support and spread the load across the baring area of the bolt and nut to prevent pull through.
10pcs Copper Washer Flat Sealing Gasket Ring Spacer for Car 10 x 16 x 1.5mm
10pcs Copper Washer Flat Sealing Gasket Ring Spacer for Car 12 x 18 x 1.5mm
10pcs Copper Washer Flat Sealing Gasket Ring Spacer for Car 16 x 24 x 1.5mm
10pcs Copper Washer Flat Sealing Gasket Ring Spacer for Car 12 x 17 x 1.5mm
10pcs Copper Washer Flat Sealing Gasket Ring Spacer for Car 15 x 19 x 1.5mm