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Milling Cutters

Milling cutters wear and break. Replace them regularly. Choose a set or a single cutter. Go for carbide or HSS. Carbide takes high temperatures and stays sharp. HSS is cheaper and works on softer metals. Check the shaft diameter so it fits your machine. For spot welds, use a special cutter. It levels the weld without damaging the sheet.

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Choosing the right milling cutter

Which cutter suits your job?

Milling cutters wear out and break. You replace them regularly. Choose a set or a single cutter. Carbide or HSS. Carbide handles high temperatures and stays sharp longer. HSS is cheaper and suitable for softer material. Check the shaft diameter. It must fit your machine.

Where ordering goes wrong

The shaft diameter is the most common mistake. Measure the collet of your machine before you order. A wrong diameter means the cutter does not fit. Length matters too. A short cutter cannot reach deep spots. A long one breaks faster. Always pick the right size for your job.

Special cutters for spot welds

For spot welds there are special cutters. They level weld spots without damaging the metal sheet. These cutters have a centre pin that guides the tool. You stay exactly on the weld. Use them with a drill at low speed. That extends tool life and keeps the result clean.

Milling cutters belong with the hand tools in your workshop. If you need to prepare a hole for the cutter, look at drills. For finishing the surface after milling, grinding and polishing and brushes are useful. That keeps your tool kit complete.