The circular knives are used for many different applications which like at carton packaging and corrugated, paper converting, copper foil board cutting, metal working and shears etc. fields.
They are also called circular knives, slitter knives and rotary knives. The materials of them will be chosen by high speed steel (HSS), powder high speed steel (PHSS),solid steel (D-2) and tungsten carbide (TCT), etc.
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