5/16-18 X 1 1/2 HHCS GR 5
5/16-18 X 1 1/2 HHCS GR 5 PLATED
5/16-18 X 1 1/2 HHCS GR 5 ZINC DOM
5/16-24 X 1 1/2 HHCS GR 5 PLATED