14 Ago 1 Mod Spur Gear 10-150 T Bore 4-25 mm Pinion Gear with Step Motor Gear 45# Steel
10-14 tooth spur gear without step, 15-150 tooth spur gear with step. The surface of 10-39 tooth spur gear is black oxide coating, and the tooth part of 40-150 tooth spur gear is high-frequency quenched....