Original and aftermarket perforating blades for folding equipment of Stahl and MBO. With slot perforation, a series of slots are cut into paper. This enables easier fold formation and reduces material stresses within the fold. The air trapped during folding can escape, avoiding creases in the folded sheet.Perforating blades come with different slot lengths and distances between slots to suit the paper grade and fold type. Slot perforating blades with a large number of teeth (between 40 and 80) can be used for tear-off perforations.Use the filters on the left to locate a perforating blade suitable for your needs.