3/8 in. Black and Gold Split Point Drill BitThe DEWALT Black & Gold Metal Drill Bits feature a black and gold coating for preventing rust. The tapered web design provides extreme durability to resist breakage. The bits feature a 3 flats shank to reduce spin out in the chuck and are made of heavy duty High Speed Steel for drilling into a variety of materials including plastic, wood, and metal. Each bit features a 135 split point tip design to help reduce walking. 3 8 in. Dia 135 Split point tip