NEIKO 10185A Titanium Step Drill Bit, High-Speed Alloy-Steel Bit, Hole Expander for Wood and Metal, 12 Step Sizes from 3/16 Inch to 7/8 Inch.

HIGH-QUALITY DRILL BIT: Our Titanium Drill Bit is made with #4241 high-speed alloy steel and has a titanium nitride coating for extra durability. The 2-flute design makes this bit a fast and long-lasting metal cutting tool. VERSATILE DRILL BIT: This multifunctional spiral drill bit fits securely in most pistol drills, drill presses, and other hand power tools. Use this versatile small cone-shaped drill bit for metal and wood projects at work or home. DRILL BIT FOR HARDENED STEEL: Use this steel drill bit for drilling steel, wood, and other thick metal. It has a 135-degree split-point tip and features a 2-fluted spiral design that automatically deburrs and expands holes for a cleaner drilling process. MULTISIZE DRILL BIT: This hole drill bit can drill holes in 12 different sizes from 3/16" to 7/8" in precise 1/16-inch increments. HEAVY-DUTY DRILL BIT: Our multifunction drill bit is created to work with any project, large or small. You can use it to drill new holes or enlarge existing ones without having to change drill bits. Get your work done with confidence and speed!, Manufacturer: Ridgerock Tools Inc.