high strength hex bolt

.Name Carbon steel hot dip galvanized hex bolts and nuts 2.standard ASTM,JIS,BS,Nonstandard bolt(according to your drawing),etc 3.Material Carbon Steel,low carbon steel; medium carbon steel(1035/1045); Alloy carbon steel,ect 4.Grade 4.8-8.8-10.9-12.9 5.Finish Zinc plated(Cr,6+);,Black,hot dipped galvanized; dacromet 6.Size M6-M64 7.Supply abiltity 400tons per month 8.Origin China 9.Packing carbon or gunny bag, then by pallet; 10.Delivery 15-30days or deponding on your