9/16-18 X 5 1/2 HHCS GR 5
9/16-18 X 5 1/2 HHCS GR 8 PLATED
9/16-12 X 5 1/2 HEX HD GR8 PLATED
9/16-12 X 5 1/2 HHCS GR 5
9/16-12 X 5 1/2 HEX HD C/S GR8 PLAIN