Q-Max Square Sheet Metal Punches
- Q-Max QMA-SQ1IN, A quick & easy way to cut out clean square holes in sheet metal up to 16 gauge. The special design allows an even load during the cutting & produces a burr free hole that needs no extra finishing. Heat treated cutting edges with black anti-corrosive surface finish to prevent rusting. All punches boxed singly without key, which should be ordered separately. Size.1in. Square. Key Type. B Key Operated. 5/16in AF Q-Max QMA-SQ1IN Square Sheet Metal Punch 1in