DeWalt Black & Gold 21/64 in. X 4-11/16 in. L High Speed Steel Drill Bit

The DeWalt metal drill bits feature a black and gold coating to prevent rust. The bits feature a 3-flats shank to reduce spin-out in the chuck. Black and gold metal drill bits are made of heavy-duty high-speed steel for drilling into a variety of materials.
High Speed Steel to be used in plastic, wood, and metal
Each bit features a 135 degree split point tip design to help reduce
walking
The tapered web design provides extreme durability to resist breakage