Street Address: No. 599 Xingzhou Road, Dinghai District
City: Zhoushan
Province: Zhejiang
Country/Region: China
VW
Material38CrMoALASKD61SKD11D2 DiameterD12-D300 mm L/D RatioL/ D=10-50 Surface RoughnessRa0.4m Screw Straightness0.015mm Nitriding Layer Depth0.4-0.8mm Nitriding FragilityLess Than Grade Two Nitriding Layer Hardness950-1020HV Cr-Plating Layer Depth0.03-0.10mm Cr-Plating Layer Hardness850 HV Cr-Plated Surface Hardness after Nitriding900HB Hardness after hot-treatmentHB240-280 Nitriding Treatment Time96 hours Bimetallic Layer Hardness58-65 HRC Bimetallic Layer Depth0.8-2.0mm Our technical and engineering department offers decades of experience in the field of plastic machinery and screw design. We have developed our own line of screw designs which can be tailored to suit your demand. We complete orders quickly and cost effectively, and you can count on us to deliver high quality products quickly and on time.