According to the customer demands to make screws and barrelsMaterial: Alloy Steel of High Qualityelectroplating

 Kinds:

1.Nomal screw and barrel:

   Nitriding screw and barrel

2,Highly wear resistant screws and barrels

  Hardened through screws;

 hard face flight screws: Ni Base  C Base;

 bimetallic barrels:Fe Base  Ni Base

3.Highly wear corrosion screws and barrels

4.chrome plated screw and barrel

screw barrel of electroplating