Operating tool for hole punch Cimco

Nibbler Pre-punched round holes can be easily and cost-effectively converted into square and rectangular holes. Especially recommended for the production of rare dimensions (special shapes). Application: 1. pre-punch a guide hole diameter 21, 5 mm or diameter 28, 5 mm using a sheet metal punch and hand punch. Insert nibbling tool with punch. 3. 3 Expand the round hole into a rectangular or square hole to the desired final size by punching several times (nibbling). 4. to avoid skew punching, the final dimension should be pre-drawn. Material thickness: max. 2, 0 mm ST 37 Dimensions: a b c Punches ASN 15 15, 0 6, 5 21, 5 21, 5 mm diameter ASN 20 20, 0 9, 0 28, 5 28, 5 mm diameter