Injection hard screw series
1.SKD all hard screw
Effective section hardness of screw: HRC55-65
It is suitable for adding glass fiber raw material with 25%-65% below.
Wear resistance, corrosion resistance, high temperature resistance and high speed resistance.
2. full motor, high speed, high pressure ultra-thin light guide plate, lens, lens special screw quenching + plating screw.
Effective section hardness HRC56-60 chrome plating thickness of 0.01-0.03mm or so.
3. super wear resistant coated screw
Substrate: THP series materials
Coating hardness: > HV2000
Coating thickness 0.05-0.06mm
The service life of all hard and coated screw is increased by more than 2 times.