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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