Bushing
Our advantage:
·Strict heat treatment process
·Excellent Cracking-resistance
·Longer wear life
PIN
Our advantage:
·Real quenching process to ensure core hardness with at least HRC20 or up
·Surface hardness with HRC56-60
·Medium frequency heat treatment instead of high-frequency to ensure the thickness of hardness more than 1.8mm
· Longer wear life
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