7/8-9X2 3/4 GR5 HEX F/T CAP SCR ZC SAE J429 GRADE 5 HEX CAP SCREWS ZINC FULL THREAD ASME B18.2.1 1996 IFI-7 AF 1.285-1.312” HH 0.531-0.563” AC 1.465-1.516”