Milwaukee 48899262 Step Drill Bit 4-12mm

Features

• 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.
• 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.
• 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.
• MILWAUKEE Advantages
• 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.

Specification

• Shaft Dismeter - 1/4'' Hex
  
• Largest Diameter - 12mm
• Smallest Diameter - 4mm