Zelcan 12 Sizes Step Drill Bit, Four Spiral Flute Step Bit For Metal, Product Features Handle Drilling Tasks with Ease: With four sharp cutting blades, Zelcan's step drill bit ensures swift, smooth drilling, effortlessly cutting through steel, aluminum, copper, and other tough materials like a hot knife through butter! Titanium-Coated HSS Build: Crafted from robust high-speed steel with a titanium coating, our drill bit ensures superior hardness for faster cutting through tough materials while withstanding high temperatures and forces for lasting performance. Versatile 12-Size Drill Bit: Our 12-step drill bit covers a wide range of sizes, including 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", and 7/8", offering the perfect solution for all your drilling needs. Smooth Clean Drilling: Our drill bit's four-spiral flute design enables faster cutting and drilling compared to dual or single flute bits. It also efficiently clears away chips for smooth performance. Easy-Fit Hex Shank: With its 1/4" hex shank and quick-release slot, our metal drill bit ensures compatibility with a wide array of driving tools, providing both secure connections and effortless changes. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!