Material:Steel Product name:OEM 50-1701045 MTZ Tractor Spare Parts Spur Gear Forged Z=21 Material:20CrMnTi,20CrMo,8620,brass,aluminum,etc Processing:forging,matching,hobbing,heat treatment,coating Application:automobile parts for MTZ Quality and inspection:high precision and 100% Inspected Heat Treatment HRC:58-62 according to requirements Packing:oil paper+polybag+small carton+outer carton+white plastic polybag+belt Inspection:excellent quality with strictly tool check Precision:degree 4grade-7 grade based on requirements Appearance:good quality coating and polished smooth surface Show More