ARTU 7-Piece Cobalt & Tungstel Multi-Purpose Drill Bit Set, 1/8 In. thru 5/16 In. Gorilla Hardened and tempered for maximum

Hardened and tempered for maximum strength

RedLithium battery packs provide up to 50% more run time and operate down to -18 deg C/0 deg F

Patent-pending unique handle to blade design

Ideal for the woodworker or punchlist contractor

ARTU 7-Piece Cobalt & Tungstel Multi-Purpose Drill Bit Set, 1/8 In. thru 5/16 In. Gorilla Hardened and tempered for maximumDesigned for rotary or percussion drilling. Drills through hardened steel, ceramic tile, marble, plastic, cast metal, concrete, glass, plexiglass, granite, fiberglass, brick, masonry, PVC (polyvinyl chloride) and wood. Negative back grinding enables tip to bore through materials with a filing action. Cobalt and tungsten carbide drill bit tip designed for maximum hardness, wear and resistance to heat up to 2000 F (Degree Fahrenheit). Resharpenable.