DEWALT 13 Piece Black Oxide Drill Bit Set with Pilot Point (DW1163)DeWalt DW1163 13 Piece Black Oxide Split Point Twist Drill Bit Assortment The DEWALT Black & Gold Metal Drill Bit Set features a black and gold coating for preventing rust. The tapered web design provides extreme durability to resist breakage. The DEWALT drill bits set features a 3 flats shank to reduce spin out in the chuck. The Black & Gold metal drill bits are made of heavy duty High Speed Steel for drilling into a variety of materials including