... 2, Different kinds of gears, worm gears,Module from M1-M8 3, Material:C45, 40Cr. 42CrMo. GG25,316L. 1, ... We can offer you all kinds of gears(spur gear, bevel gear, sprial gear, internal gear, sprocket, chain wheel) transmission, reducer ,shaft ... : annealing, normalizing, carbonitriding, carburizing, tempering6) Precision shot peen gear faces and roots to increase load capacity7) Standard: ISO, GB ...