14/2 romex 250 ft 14/2 romex 1/4-20 tap 1/4-20 stainless bolts 14/2 wire 1/4-20 threaded knob 1/4-20 rivet nut 14/2 romex 100 ft 1/4-20 hex head bolts 1/4 - 28 threaded drill bits