RICHELIEU 148280 (29-Piece) Titanium Nitride Coated Drill Bit Set

California Proposition 65: This product contains a chemical known to the State of California to cause cancer.
California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Set of 29 titanium nitride-coated high-speed steel drill bits. The titanium nitride coating is tough and very smooth. It reduces friction and heat build-up extending the bit's service life to six times more than regular high-speed steel drill bits. Use them for repetitive drilling in most ferrous and nonferrous metals, plastic, and wood. Not recommended for use in aluminum or hard metals such as stainless steel. For a sure grip, all sizes 3/16 in ( 4.76 mm) in diameter and larger have three flats on the bit's shank. Their 135° split-point tip on all bits 1/8 in (3 mm) in diameter and larger eliminates the need for a center punch and keeps the drill from "walking" on hard surfaces.