... smaller can hardening high precision small shaft within diameter 10, hardening depth can keep within 1mm, ... tension and annealing stainless steel container which within diameter 300mm.3. heating and bending the plate ... kinds of pick bit, drill bit, drill rod, coal drill bit, wind drill bit and accessories ... forging all kinds of parts which with in diameter 80mm .Specification:Model: WH-VI-80 Output power: ...