Milwaukee's Shockwave accessory line is impact rated and features 1/4" hex shanks, meaning these step drill bits are suitable for use in impact drivers as well as all standard drills and drill drivers. 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 we recommend the use of a coolant.Features & Benefits• Each drill can produce multiple sizes • Get more work done with less to carry • Best option for enlarging existing holes • More durable than twist drill bits • Thick core resists breakage • More accuracy with less walking • Tip starts on contact • Clean, burr free holes • Drills plastic without splitting or cracking • Spot drill - Drill - Deburr - all in one go • Rapid Strike tip for improved centering • Fast drilling without the need to punch or pre drill the material. • Enhanced geometry for jam-free performance - less risk of snagging at high speed • Custom engineered steel with black oxide coating for 4 x longer life • Laser engraved size markings for best long term visibility • Each step is relief ground to drill and deburr automatically • Shockwave step drill bits: impact rated for use with impact drivers • 1/4" hex shank: suitable for hex chucks and jawed drill chucksContents• Shockwave Step Drill 4 - 12 mm • Shockwave Step Drill 4 - 20 mm • Shockwave Step Drill 4 - 30 mm • Plastic Carry Case
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