product name:hex head cap screw Standards:DIN, BS, ANSI, ISO,GB Grade:4.6, 4.8, 5.8, 6. ... 8, 8.8 material :Carbon Steel,swrch35 hex ... .D.G 8.8GB 1)product name: hex head cap screw2)standard :ISO, DIN,BS, ANSI, ISO, GB3)size:m8-m20,5/16 ... pallet AND at buyer's option13)delivery lead time: 30days hex head cap screw