... , Size:M12-M36 Material:Carbon Steel,Alloy Steel 1> Description: High strength bolt, tension control bolt, T. C Bolt 2> Material: Alloy ... -2" 5> Length: Up to 1000mm The business line of high strength bolt Cover, A325 Tension Control Bolt (T. C Bolt) A449 ... , nylon insulator, bushing etc.Stainless Steel Hex bolts nuts washers High strength HDG bolt 10.9s1.Materials: low carbon alloy steel 20MnTiB2 ...