Screws Wholesale PTA Bimetallic screw

Brief introduction： PTA Bimetallic screw Basic parameters： 38CrMoALA，Gas nitriding and bimetallic welding 38CrMoALA，Ion nitriding, bimetallic welding and Chrome-plating 42CrMo，Ion nitriding, bimetallic welding and Chrome-plating 38CrMoAl nitrogen hardness:≥HV900                 Thickness of Chrome layer：0.01-0.03mm Thickness of bimetallic layer：1.5-2.0mm Hardness of bimetallic layer: HRC53-57(Ni-based),                                                 HRC43-48(Co-based) Scope of application： Applicable resin: It is suitable for corrosion formula, regrinding resin, calcium powder filling, additive fireproof materials, and additive plastic materials with less than 15% glass fiber. Composition and process…