... angle: 0 degree to 45 degree RH/LH.We can offer you all kinds of gears(spur gear, bevel gear, sprial gear, internal gear ... annealing, normalizing, carbonitriding, carburizing, tempering6) Precision shot peen gear faces and roots to increase load capacity7) Standard: ISO ... engine lathe, milling machine, drilling machine, hobbing machine, grinder, gear shaper, testing center.10) OEM service: based on your ...