80/156 Come Twin (2Knots) Cylinder
Screw Cylinder Maternal:38CrMoAUA2Knots Cylinder Alloy Length:1100mmScrew Alloy Length:1120mmWhole Cylinder Alloy Length:300mmScrew Aloy Length:350mmScrew Cylinder Alloy Depth:0.8-2.0mmHardness after Adjustment: HB260-290Nitridation Depth:0.50-0.70Surface Hardness after Adjustment HV940-1050Screw Straightness:0.015Cylinder Straightness:0.05mmCylinder Concentricity. Above 90%Cylinder Centrad:0.05mmCylinder Divided into: Whole and Two KnotsScrew Divided into:7 sections 8 heads,7 sections 6 heads,6 sections 6 headsMake PVC Crust Foaming Panel, PVC Wood and Plastic Foaming Panel, PVCFree Foaming Panel, PVC Hard Panel