LHY BT Pull stud
● Product description:
2.Thread hardness is a little low;(Protect shank thread,core hardness can resist hit)
3.Thermal aging treatment can reduce the inner residual stess,improve durability and precision stability.
4.Appearance Electroless plating process impove surface hardness durability,cleaness,precision stability,the surface is more smooth,anti-rust and anti-
corrosion is better,feel comfortable and surface is more nice
3.Each pull stud is tested thoroughly which ensures the quality of the pull stud
4.High quality black oxide ensures long pull stud life and a non-rusting surface