MK M-Type Washers are made with premium EPDM rubber compound in grey. They provide ultimate fixing solution for countersunk screws in sealing and optimal resistance to weathering, ozone, UV, chemical agents and temperature change.

Facing material:
1. Premium Grey EPDM
2. Conductive EPDM

Backing material:
1. Copper
2. Aluminum
3. A2 304 Stainless Steel