China High Precision Gear Rack for Lathe Transmission System Parts circular gear rack 執筆者 ep | 12月 22, 2022 | 未分類Product Description CNC rack and pinion gears high quality low-cost personalized size Model amountM1-M12MaterialsBrass, C45 steel,Stainless metal,Copper,POM,Aluminum,Alloy and so onSurface treatment methodZinc plated, Nickel plated, Passivation, Oxidation,...