This kind of carbide alloy is also called ceramic alloy, HRC 69~81.
Our carbide alloy punching tools can be suitable for Georg lines, for round hole punching and V notching.
One time grinding can last for more than 1.5million punches!
Quality of fit (die body): 0.002-0.008mm
Roundness precison: less than 0.005mm
Verticality, parallel, axiality: less than 0.005mm
Fit clearance between top and bottom die: 0.012-0.015mm