... delivery, high quality, and competitive price. 1) Transmission main shaft for the hydraulically operated equipment & agricultural machinery parts available.2) ... : ±0.008mm6) Material: 42CrMo7) Nitrogen treatment8) Made by CNC machine 9) Packing:carton 10) Technological process:Process: Forging, ... tooth, conical, helical tooth, drive shaft of all kinds as chain gear, long shaft, axis of a corn, worm, ...