Slotter knives are one of the necessary knives in the packaging and corrugated paper industry and used in different corrugated cardboard production lines. IBISE slotter knives have many types and shapes which depends on the different slotting applications. They include the upper and lower knives. The upper knives include arc knives and curved serrated knives. The upper slotting knives are to slot the corrugated cardboard, so that the cardboard can be folded to form a corrugated carton. The lower slotting knives include semicircular acute angle knives, right angle knives, and groove width retaining ring. They have no teeth and are mainly to be used to fix cardboards. They can be made as a whole circle or two parts.

IBISE corrugated slotter knives are produced in strict quality standards, with the forged steel product achieving compact internal structure and excellent crystalline phase. Given full consideration to avoid quenching cracks and other defects in the heat treatment process, the service life of slotter knives is extended.