... times longer than the nitrided screw.Single screw of injection machine types:screw and barrelDianeter of screw: Φ15—Φ360Mould clamping forde:250—32000KNShot weight ... as ABS,PP,PA66,LCP,PC,EVA,PS,U-PVC,PVC,PU,or Plastics. Depth of nitration case0.5 mm~0.8mmHardness ... -plating layer thickness0.03 mm~0.08mm Super - hard plastic injection moulding machine screw