Precision Tungsten Steel Mould Parts002
Material:KD20
Dimension:42*6*5.5
Hardness:91~92HRC
EDM tolerance:0.005mm
EDM surface roughness:Ra:0.31μm
EDM Clear-Corner:Rma0.05mm
Grinding tolerance:0.002mm
Grinding surface roughness:Ra:0.18μm
Grinding Clear-Corner:Rma0.03mm
Machining process:Punch grinding、Plane lapping、Q C