25 Jul Module 1 1.5 Spiral Bevel Gear C45 Steel Gear Ratio 1:2 15 18 20 30 36 40 Tooth
Precision Gear, Spiral Bevel Gear, Steering Pinion, Motor Gear, Transmission Gear, Cogwheel, Umbrella Toothed Wheel. For Example：. made of C45 Steel, Hardened & Black Oxided. 18 Tooth pairing 36 Tooth（90 Degree Drive）....