DescriptionAlpha Step Drill – Spiral Flute 4–12 mmThe Alpha Spiral Flute Step Drill 4–12 mm is designed for precise, burr-free drilling in steel, stainless steel, wood, and plastic. AlTiN coating, this step drill offers superior durability and performance for professionals and serious DIY users.Key FeaturesSize Range: 4–12 mm step incrementsCoating: AlTiN for extended tool lifeShank: 1/4″ quick-change for cordless drills and driversPerformance: dual cutting edges drill up to 3× fasterFinish: burr-free holes up to 3.5 mm thickOAL: 69 mmApplicationsIdeal for electricians, HVAC installers, sheet metal workers, and general contractors who need clean, accurate holes in multiple materials.Product Code9STSFM4-12S
