Milwaukee 48899320 HSS Step Drill 4 - 20 mm (2mm step)

£ 29.95
Available Soon

Delivery normally within 2-4 working days - Prices include VAT @ 20%

HSS ground step drill 2 – 20 mm in 2 mm steps with 3 flat secure grip end reception for maximum transmission of torque.


Step drills provide a range of 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.

Milwaukee Designed & Made

Designed with JAM-FREE Performance for tough jobsite conditions, these Step Bits boast a smooth cutting Dual Flute Design with black oxide coating, producing greater cutting speed, less heat and extending bit life. Milwaukee has also identified common problems posed by bit walking and developed a new design aptly named Rapid Strike™ Tip to combat this, ultimately saving time and promoting greater user productivity.

• JAM-FREE Performance: Dual-flute design provides greater speed and control
• Rapid Speed: Optimised for cordless drills in high speed
• Rapid Strike™ Tip: Creates fast, accurate starts and generates less heat
• Superior Bit Life: Optimised geometry with Black Oxide coating to cut faster and produce less heat
• Maximum Holes per Battery Charge: Greater user productivity
• Laser-engraved Reference Marks: Easily stop on any hole size
• 3-Flat Secure-Grip™ Shanks: Reduces bit slippage in the chuck

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

Step drills are suitable for a wide range of Trades:

Electrical: drilling of panels and cabinets for cable gland installation.
Plumbing / HVAC: access holes for pipework and installtion.
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.