... .2kg 3.Hardness:HRC48-55 4.Application:Automotive High quality cnc machining forged steel spur gearOur Advantages :Over ... 12 years experienceHigh quality control,Competitive price, Fast deliverySmall quantity acceptableSample availableOEM ... etc.2) Surface treatment:Zinc plating, Anodization, Chemical fim, Powder, Passivation, Sand blasting, Brushing & ploshing etc.3) ...