Maximum Height of Rollers: 82mm (3-3/8")

reduce slippage

High-density polythene case with two-component handle

Poly thread stitched

Bordo 20mm-50mm Chrome Alloy Screw Punch 7086 Size:40mm Maximum Height of Rollers: 82mmFeatures Chrome Alloy Screw (Chassis) Punch Comes in a range from 20mm to 50mm A screw punch, also known as a chassis punch or a knockout punch, is used to punch a hole through sheet metal. First drill a pilot hole in the sheet metal the same size as the bolt in the punch. For sizes 13mm and under a Twist drill may be used. For larger sizes use a Bordo step drill. Place the die on to the bolt and then insert this assembly through the pilot hole. Wind