... blades,saw blades,hss metal slitting saw bladesSlitting saws in both high speed. Range: DiameterΦ20-315mm, bore Φ5- ... treated(black) Material: T1, M2 or super-hard material Application: Slitting saws in both high speed and super high speed steels suitable ... HSS tools,such as Flat bits,square bit,Din standard slitting saw,HSS circular saw blades, slotting cutters, chiiper knife, paper ...