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Description
Milwaukee 48899320 Step Drill Bit 4-20mm
Step drills are exceptionally versatile, making clean, burr-free holes in ferrous and non-ferrous sheet metals, profiles and pipes—such as copper, brass, aluminium, stainless steel and plastics—up to 4 mm thick; using coolant maximises service life. Favoured by electricians for panel and cabinet cable-gland holes, plumbers and HVAC engineers for pipework access, metal fabricators for drilling and enlarging apertures, automotive technicians for routing wiring, and maintenance teams for assorted tasks, they out-perform twist bits by offering multiple hole sizes from one tool, superior accuracy, minimal walking, a robust core that resists breakage and effortless enlargement of existing openings. MILWAUKEE® enhances these benefits with its RAPID STRIKE TIP™ for instant, walk-free starts without pre-drilling; jam-free step geometry that prevents material deformation at high cordless speeds; optimised two-flute cutting edges for twice-as-fast, smoother drilling; and black-oxide, custom-engineered steel that delivers four-times longer life. Each laser-engraved step drills and deburrs simultaneously, while a three-flat shank grips securely in the chuck for maximum torque transfer.
48899320 Features:
- Spot drill - Drill - Deburr - All in one go
- RAPID STRIKE TIP™: Accurate start without walking and fast drilling without the need to pre-drill the material.
- 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.
- 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.
- With 3 flat secure grip to prevent step drill from slipping in the chuck and ensure maximum transmission of torque.
48899320 Specification:
- Number of steps: 9
- Overall length: 65 mm
- Pack quantity: 1
- Shank diameter: 8 mm
What is included:
- 1x Milwaukee 48899320 Step Drill Bit 4-20mm
