Dome cap washers made to conceal the tips of lacing anchors, perforated pins, self stick pins in the installing or fabrication of insulation mats or jackets, when these pins pierce through the insulation with tips exposed. Dome cap washers own the property of self-locking.
Material: Aluminum, stainless steel.
Size: 10GA, 12GA, 14GA.
The colors and plating available as your required.