Cup washers are designed to protect the head of a metal screw from electrical contact. They are designed to accommodate the most common screw head-styles including binder, round, pan, hex, and fillister, in sizes from #4 to 1/4". Cup washers are molded from tough, electrically insulating nylon 6/6.
May also be available in Nylon, PVC, Polypropylene, Phenolic, PTFE, G10, Kel-F®, Delrin/Acetal, Neoprene, Mylar, Glass-Filled Nylon, Peek, CPVC, ABS, PVDF / Kynar, Isoplast, Polycarbonate, Polyethylene, or Ultem®
