... 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 ... Material:Steel, Brass, Copper, Stainless steel, Plastic, Aluminium POM, Delrin, Titanium Alloy etc.2) Surface treatment:Zinc plating, ...