Product Details
The Strongest Guide, Refusing To run Off The Rails
ldler Shell Material:ZG40Mn
Surface hardness:HRC48-52
Quench depth:>4mm
shaft material:45#
Surface hardness:HRC48-58
Quench depth:>2.5mm
Idler Support Material:QT450-10/ZG35
developed scope:below100 series,100 series,200 series,300 series 400series ,600 series,800series,1200 series
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