Milwaukee 48899350 Step Drill and Thunderweb HSS-Ground Metal Drill Bit Set - 10pk

Step drills are ideal for drilling into the following materials: - Ferrous and non-ferrous sheets metals, profiles and pipes. - Copper, brass and aluminium. - Stainless steel. - Plastics. - Maximum material thickness 4 mm. - To ensure best lifetime, Milwaukee recommend the use of a coolant.

Step drill advantages over conventional drill bits:

• One drill bit to drill multiple sizes - Do more, carry less.

• Best option for enlarging existing holes.

• More durable than twist drill bits, thick core resists breakage.

• More accurate and less walking, tip starts on contact.

• Clean burr free holes, less reaming required.

• Drills plastic without splitting or cracking.

More features and benefits:

- Spot drill - Drill - Deburr - All in one go

- Rapid Strike tip for improved centering - less walking and fast drilling without the need to punch or pre drill the material.

- Optimised 2 flute ground sharpened edge geometry for 2 x faster and smoother cutting.

- Produced from custom engineered steel with black oxide coating for 4 x longer life.

- Optimised for use with high speed cordless drills.

- Laser engraved size markings for best long term visibility.

- Each step is relief ground to drill and deburr automatically.

- Special tip and step geometry for jam-free performance - less risk of drill snagging when used with high speed cordless tools and also prevents deformation of the drilled material.

Suitable for a wide variety of trades:

- Electrical: drilling of panels and cabinets for cable gland installation.

- Plumbing / HVAC: access holes for pipework and installation.

- Metal workers / fabrication: various sizes and hole enlargement.

- Automotive: holes for cable installation (mobile telephones, antennas, re-directing electrical wiring).

- Maintenance repair operations: various applications, sizes and hole enlargement.

Supplied in the box:

- 2 x step drill bits: 4 - 12 mm / 1, 4 - 20 mm.

- THUNDERWEB metal drill bits: 2 x 2 mm, 2 x 3 mm, 2 x 4 mm, 1 x 5 mm, 1 x 6mm