material :38CrMoALA;SACM645;SKD61;H13;DC53;YPT41;YPT42
Process diameter:16mm to 300mm
Treatment:quench in vacuum,nitridation,hardness chrome plated,nanotechnology
Application: HF screw,fiber screw,optics level screw,PC transparence material screw
A class hardness alloy cylinder: tungsten carbide:40%,it is ideal for inject HF material or fiber component more than 40%
B class hardness alloy cylinder:tungsten carbide:25%,it is ideal for inject fiber component around 30%
C class PTA tooth welding cylinder:tungsten carbide:40%,it is ideal for inject fiber component more than 15%
General nitridation cylinder screw is suitable for inject ABS,PC,PP,PE,PA and so