PERFORATOR CU RULMENT 17mm

Standard punches can cut up to 2 mm in steel sheets and 1.5 mm in stainless steel sheets. *This is a general recommendation, there is a great variety of steels and stainless steels. It is advisable to oil the sheet metal before cutting (e.g. use protoolube). In case of doubt, it is recommended to use the 56 series.The screws of the 55 series punches are of very high strength 140Kg/mm2. The series 55 includes a bearing which increases the performance of the punch by 200%, therefore, half of the strenth is required when cutting. Recommended for large diameter holes. Better performance and longer life due to ground cutting edge.