The DEWALT Black and Gold HSS Drill Bits are made with a tapered web design for extreme durability. The black and gold coating helps to prevent rust and wear. A 135 degree split point tip helps to reduce walking. While the bits also incorporate a 3-flats shank to reduce spin-out in the chuck. Suitable for drilling in plastic, wood, and metal. 1 x DEWALT BLACK and GOLD HSS Drill Bit 12.0mm.