lock bolt,lock collar

1) Size: 3/16,1/4,5/16,3/8,1/2,5/8,3/4,7/8,1,1-1/8.
2) Material: Steel, Alloy Aluminum,Stainless Steel.
3) Head Type: Round Head, 90°Flush Head, Truss Head.
4) Application: used for a wide range of applications such as vehicle, railway, wagon, bridge, construction, aviation, container, mining, large-scale steel structure, electrical establishment etc.
　We mainly sell the lockbolts to railway, the manufacturer of wagon, heavy truck, mining industry. (Such as Chinese railway, Indian railway, TATA, BOLOGNESI,GM etc.)