(1)double end bolt (2)according to customers' drawings ... 45 steel (5)plain,black,zinc,hdg Name:double end bolt:Model:ss5, ss8, ss25, ss36Size:D3/4 ... , 8.8Surface: plain, zinc, black, hdgPack:Double-layer woven bag+Free fumigation wooden palletUsed on wooden ... Surface : plain (oil)5.Clip bolt/ T bolt /Rail bolt/Clamp bolt /Inserted bolt/Track bolt/Fish bolt/Square bolt Type : All kinds available available ...