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技术要求
精度等级:DIN8 国标7级
材 料:S45C
齿 型: 直齿
硬度处理:高频淬火 HRC50-55°
生产工艺:四面平磨精插,表面发黑或磷化
Technical requirement
Accuracy level:DIN8 international 7 level
Material:S45C
Tooth type:straight tooth
Hardness treatment:high frequency quenching HBC50-55°
Production process:four side fiat grinding and fine insertion,
surface blackening or phosphatin