... width 60 - 520mmDelivery condition: EAF, Hot rolled, Black surface, Prehardened Hardness 28 – 34HRC Properties:Chromium-vanadium alloyed cold ... drills and jagged bits, screw taps, milling cutters, broaching tools, piercing punches, ejector pins, twist drills, punches and ... , surgical instruments, reamers, countersinks, dowels, engraving tools, metal cutting saws, axles and shafts, toothed drills, ...