General 1271I Arch Punch 3/4 Inch Steel Round Hole

Product Description

The GENERAL 1271I is a steel arch punch designed for cutting clean, round holes in leather, rubber, gasket material, cork, and similar soft sheet materials. With a 3/4 inch punch diameter and a 5 inch overall length, this tool gives tradespeople the reach and leverage needed for precise hole placement. The solid steel construction handles repeated strikes from a mallet or hammer without deforming the cutting edge. It is a standard hand tool carried by plumbers, HVAC technicians, and general tradespeople who cut gaskets or soft material seals in the field or shop.

This arch punch is suited for applications that require punching accurately sized round holes in compressible or soft materials. Common uses include cutting bolt-hole patterns in gasket sheet stock, sizing grommets in rubber panels, and fabricating custom seals. The 3/4 inch size is a frequently used diameter in plumbing and HVAC gasket work. With a 5 inch overall length, the tool can be used with a standard shop mallet on a hard backing surface such as a steel plate or end-grain wood block.

Key Features

• 3/4 inch punch diameter for consistent, repeatable round holes
• 5 inch overall length provides good striking surface and control
• Solid steel construction resists deformation under mallet strikes
• Arch-style design seats cleanly through soft sheet materials
• Compact single-piece tool with no moving parts to service

Compatibility

Designed for use on soft, compressible sheet materials including leather, rubber, cork, felt, and gasket stock where a 3/4 inch round hole is required.

Installation Notes

Use on a firm, sacrificial backing surface such as a steel plate or end-grain hardwood block to protect the cutting edge and ensure a clean cut. Strike the top of the punch squarely with a mallet — do not use a hammer with excessive force that could mushroom the strike end. Inspect the cutting edge periodically and retire the tool if the edge shows visible rolling or chipping. No power source or code compliance is required for hand-punch use.