First Punch Bushing

First Punch Bushing

Good wear resistance, capricious and long life

Fine punching sleeve = down punching sleeve  

Classification: pressing, clamping, unloading  

Common fine blanking size:  

Outer diameter: 12;  14.  18;  23.  30  

Length: 14.5;  25  

Fine blanking sleeve material: H13 SKD61  

Fine blanking sleeve size requirements:  

Pressing type: front hole punch outside diameter -0.1---- - 0.2