Lenox® Vari-Bit® Step Drill Bit, 1/2 in Minimum Hole Dia, 1 in Maximum Hole Dia, 3 in Overall Length, 9 Steps, 1/16 in Step Depth, 9 Hole Sizes, 2 Flutes, 3/8 in Shank, Round With 3 Flat Shank, 135 deg Point, Split Point, Right Hand Cutting, HSS Cutting Edge, HSS, Steam Oxide, Applicable Materials: Most Metals and Stainless Steel
- Accurate, patented two flute design with burr-free holes, cuts fast, clean and round holes
- Split point design for faster penetration and less walking
- Steam oxide coating adds durability
- Enhanced flute design removes chips rapidly
- Eliminates the problem of tip breakage on standard drill bit