Faithfull Automatic Centre Punch - 4mm

The main advantage is that it performs the punching action automatically when pressure is applied, eliminating the need for a hammer and hammer striking, thus improving safety and precision.

You can adjust the strike force by rotating the knurled head at the top of the punch. Turning it clockwise generally increases the force, and counter-clockwise decreases it. It's recommended to test on scrap material.

It is suitable for a variety of materials including wood, plastic, soft metals like aluminum and brass, and mild steel. Performance on very hard metals may be limited.

The Faithfull Automatic Centre Punch is 100mm (4 inches) in length.

The product comes with a 5-year guarantee.

While it can mark softer steels, it may struggle or produce only light marks on very hard or hardened steel, as it relies on spring tension rather than a hammer blow.

It's advisable to store the punch in a tool roll, case, or use a protective cap on the tip. Keep it away from areas where accidental pressure could be applied during storage.

Ensure the strike force is adjusted appropriately (not set too low). Check that the head is being depressed firmly and squarely. Inspect for any debris obstructing the mechanism.

Adjust the strike force by rotating the knurled head. Lower the force for lighter marks, increase for deeper marks. Practice on scrap material to dial in the correct setting.

Clean the punch exterior and mechanism lightly. Apply a small amount of light machine oil to the moving parts and work the mechanism a few times. Wipe away any excess oil.

Inspect the punch tip for any chips or bends. If damaged, replacement might be necessary or professional sharpening considered, though replacement is often more practical for this type of tool.