Yinpecly M8 Copper Flat Washer 0.31"x0.47"x0.04"(IDxODxT) Flat Ring Gasket Fitting for Screw Bolt Electrical Connections Fasteners Copper Tone 50pcs

Size: 8mm x 12mm x 1mm / 0.31" x 0.47" x 0.04"(Inner Dia x OD x T); Package Content: 50Pcs x Copper Flat Washer Material: These Flat Washers made of high quality copper, which have a tighter seal and higher heat resistance than steel and rubber washers Feature: High conductivity, corrosion resistant copper washer, which can great for sump plugs, water, fuel and hydraulic fittings Advantage: Flat washers are mainly used to reduce pressure and friction, and easy to install, well made, the washer's surface are smooth can reduces friction between the screw and nut, prevents leakage, isolates, prevents loosening or dispersion pressure