... steel. The gear go through carburization, hardening and grinding, DIN 6. It’s featured high bearing load, long life-span, compact ... face K: Hollow shaft DBY Gear Speed ReducerCylindrical Bevel Gearbox (Right Angle Shaft Gearbox) is the transmission that the output shaft locates ... steel. The gear go through carburization, hardening and grinding, DIN 6. It’s featured high bearing load, long life-span, ...