Copper Sealing Washers Metric M3 M4 M5 M6M8 Flat Gasket Sump Plug Washer DIN7603
Sizes: Compatible with M3, M4, M5, M6, M8 screws and bolts. Compressed Spring. Plastic/Rubber Plug. ✔️ Superior Conductivity: Ideal for grounding, electrical panels, and RF shielding in electronics or power systems.