Key Features

• -【50 Sizes in 5 Bits】One versatile step drill bit set gives you 50 essential hole sizes (3/16" to 1-3/8") for any project. Perfect as a step drill bit set for metal, wood, plastic and more - no more searching through bulky collections
• -【Titanium-Coated HSS - Drills Harder, Lasts Longer】High-speed steel core with titanium nitride coating provides extreme heat and abrasion resistance. These step drill bits for metal maintain sharpness through stainless steel, aluminum, iron, and other tough materials
• -【Spiral Flute & 118° Tip - Precision Meets Performance】Dual-spiral flute design ejects chips rapidly for cooler operation and cleaner holes. Combined with the 118° split point tip that self-centers and prevents walking, you get professional results even on curved surfaces
• -【1/4" Hex Shank - Instant Compatibility & Maximum Grip】Ready for any drill or impact driver with its standard 1/4" hex shank. The step bit for impact driver ensures secure grip without slippage, while quick-change capability saves time on every project
• -【Complete in Aluminum Case - Organized & Portable】All 5 HSS titanium step drill bits come in a durable aluminum storage case (6"×4.45"×1.7"). Keep your workshop tidy and carry your step up drill bit for metal anywhere - ideal for contractors and DIY lovers alike