Wolfcraft 3752000 Sheet Metal Hole Punch 28 mm

For electricians, plumbers, and automotive technicians who need clean, burr-free holes in sheet metal, the Wolfcraft 3752000 delivers a 28 mm round punch with simple manual operation. The hardened steel punch and die cold-punch steel up to 2 mm thick, non-ferrous metals and plastics up to 3 mm, using a standard M10 draw bolt and a wrench (not included).

Key specifications

• Punching diameter: 28 mm
• Maximum material thickness: 2 mm (steel), 3 mm (non-ferrous metals and plastics)
• Punch and die material: hardened steel
• Draw bolt thread: M10
• Number of components: 3 (punch, die, draw bolt)
• Finish: blackened for corrosion protection

Why choose it

This punch creates accurate, round holes without deforming the surrounding material. The blackened finish resists corrosion, and the three-piece design is straightforward to use with a standard wrench.

Ideal use cases

• Electrical installations: creating holes for cable glands or conduit in metal enclosures
• Plumbing: punching holes in sheet metal for pipe penetrations
• Automotive: making holes in body panels or brackets
• DIY projects: working with sheet metal, plastic, or non-ferrous materials

Good to know

The punch is manually operated and requires a wrench (not included) to turn the draw bolt. It is suitable for cold punching of various sheet materials and is not intended for hardened steel or materials thicker than the specified limits.