2 Knots Cylinder Alloy Length:1100mm
Screw Alloy Length:1120mm
Screw Aloy Length:350mm
Screw Cylinder Aloy Depth:0.8-2.0mm
Hardness after Adjustment: HB260-290
Surface Hardness affer Adjustmen: HV940-1050
Screw Straightness:0.015
Whole Cylinder Alloy Length:300mm
Nitridation Depth:0.50-0.70