fastener clips; connectors for joining tubes, rods and wires; self-tapping inserts and inserts for heat or ultrasonic installation in workpieces; key stock; mechanical fastening pins; metallic sheets for wrapping tools for heat treatment; non-electric wire for industrial use; rivets; spacers formed from strip metal into rolled and split tubes; stampings; namely, gaskets, shims and washers and material made into such stampings; and studs