China Hot selling Metal Internal Gear with Great quality

Description Dimension:Φ3mm- Φ120mm Module: M2.0 Material Type: Metal as customer required Metal Internal Gear Dimension Φ60mm Module M0.15-M3.0 Material Type Metal, Bronze, Steel, Alloy, POM, Zinc, Aluminum, Iron, Stainless, Brass, Copper Meshing Grade ISO6, JGMA 1,...