Lenox Step Drill Bit, Imperial, 1/4 in Diameter Minimum Hole, 3/4 in Diameter Maximum Hole, 2-3/4 in Overall Length, 9 Steps, 1/16 in Step Depth, 9 Hole, 2 Flutes, 3/8 in Shank, 3-Flat Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Steam Oxide, Applicable Materials: Most Metals and Stainless Steel

ITEM FEATURES:

• 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