6 metal fasteners, namely, headed bolts, headed screws, socket head cap screws, studs, nuts, and locking nuts made of carbon and alloy steel, austenitic, martensitic, and age hardening stainless steel, copper and copper alloys, nickel alloys, titanium alloys, aluminum alloys, cobalt based alloys and nickel-chrome-iron alloys, none of which are low temperature metals or alloys