... .2kg 3.Hardness:HRC48-55 4.Application:Automotive High quality cnc machining forged steel spur gearOur Advantages :Over ... Plastic, Aluminium POM, Delrin, Titanium Alloy etc.2) Surface treatment:Zinc plating, Anodization, Chemical fim, Powder, Passivation, ... .3) Processing equipments:CNC machining center, CNC lathe, grinding machine, automatic lathe machine, conventional lathe machine, milling machine ...