Screw hole punch, square head, diameter 44 mm in tempered steel and brass washer against corrosion. Perfectly smooth edges for a perfect finish. Cutting capacity: 2mm for metal sheet and 1.2mm for stainless steel. A: 58mm Thread: M14 x 1.50mm Part number: PI-71044 Cookie Cutter: Square D Head Screw Cutter 44 mm – 71044 – Piher Type: