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Core pin
Material:  SKH51
Hardness:  59-61HRC
Material:  SKD61
Hardness:  40-45HRC
Surface hardness:  HV900~
Coaxiality:  Within ф0.05mm
Diameter:  ф0.3-20mm
 
Tip could be processed based on customers’ requirements.
 
 
 
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