Drill America 12-Piece 17/64-in x 4-1/8-in Black and Gold Coated HSS Twist Drill Bit

Drill America KFD Killer Force Drill Bits are manufactured from premium grade High-Speed Steel. Gold and black surface treated for use in stainless steel and other hard metal drilling. Manufactured from premium grade M2 high speed steel, Killer Force Drills have a heavy-duty 135° split point for self-centering and reducing thrust.