https://ffmold.diytrade.com/sdp/2973497/4/pd/21085391.html?mode=11

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  

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