... -M64) 2)Standard: AS PER CUSTOMER REQUIRMENTS OR DRAWING FINISH: BL.ZP.HDG PACKAGE:GUNNY BAG ON PALLET 1.NameCarbon Steel ... ; medium carbon steel(1035/1045); Alloy carbon steel,ect4.Grade4.8-10.95.FinishZinc plated(Cr,6+);,Black,hot dipped galvanized ... needs,Please click the trademanage to contact us class 4.8 L Bolts