BLOWN FILM MACHINE SCREW
Product Detailed
supply screw and barrel more than 17 years
surface treatmen: Nitriding treatment hard chrome plating.
Nitriding layer thickness: 0.6-0.8mm
Nitriding hardness: 900-1000HV
Chrome hardness: >950HV
Chrome layer thickness: 0.025-0.085mm
Screw size: 65-135mm
