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Ball-lock Punches & Button Dies& Retainers
  Punches and Button Dies
Material:  SKD11 equivalent
Hardness:  60-63HRC
Material:  SKH51
Hardness:  61-64HRC
   
 
The coaxiality of punches and button dies could be 0.005mm
Convenient assembly, high fit precision and good exchangeability.
 
 
 
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