5/8-11 X 3 1/2 HHCS GR 8 PLATED
5/8-18 X 3 1/2 HHCS GR 8 PLATED
5/8-11 X 3-1/2 HEX HEAD BOLT-GR.8
5/8-18 X 3 1/2 HEX HD GR8 PLAIN