CONICAL TWIN SCREWS AND BARRELS 

Product Description  Technical Parameter: Depth of Nitration case 0.5-0.8mm Hardness of Nitration  950-1020Hv Fragility of Nitration Less than grade 1 Roughness of the surface Ra 0.4um Linearity of screw 0.015mm Hardness of alloy HRC58-62 Depth of alloy 2-3mm Conical Twin screw and barrel specification: OD45/OD90MM OD65/OD132MM OD51/OD105MM OD80/OD156MM OD55/OD110MM OD92/OD188MM…