Bimetallic Rubber Screw Barrel

XSL-Grade A  high hardness and high wearing resistance bimetallic screw XSL-Grade A  strong wearing and corrosion resistance and high hardness bimetallic screw specialized for halogen free plastic XSL- Grade B superhard bimetallic screw for Bakelite XSL-Grade B  strong corrosion resistance bimetallic screw XSL-Grade B strong wearing resistance screw for LCP Processing range:inner diameterφ12mm – φ280mm,,the effective length reach 8000mm      Grade-A superhard and high wearing resistance bimetallic screw: the base material is imported Sweden Km22  steel and superhard high speed steel, which is  high wearing resistance, high toughness and high corrosion resistance, hardness could reach HRC59-64, allying for processing nylon plus 50% ~ 60% glass fiber, bakelite, magnetic powder, ceramic powder, magnesium powder, iron powder, copper powder, aluminum…