9/16-12 X 3 1/2 HHCS GR 8 PLATED
9/16-18 X 3 1/2 HHCS GR 5
9/16-12 X 3 1/2 HEX HD GR5 ZINC PLATED
9/16-18 X 3 1/2 HHCS GR 8 PLATED