3/4-10X4 1/2 GR2 HEX CAP SCR ZC SAE J429 GRADE 2 HEX CAP SCREWS ZINC ASME B18.2.1 1996 IFI-7 AF 1.100-1.125” HH 0.455-0.483” AC 1.254-1.299” – 20/BOX