... heating quenching furnace for auto parts shaft Heat treatmentVarious kind of automobile parts, motorcycle parts, hardware tools, gears, chain wheels ... changes.Specific applications are as follows:1, various hardware tools, hand tools. Such as pliers, wrench, hammer, ax, screwdriver ... parts, machining parts. Such as shaft, gear (sprocket), cam, clamps, fixtures, etc. quenching;6, the metal mold ...