Features and Benefits:

• Laser-etched markings for easy identification
• High speed steel features a black shank and gold flute
• Heavy-duty web construction for strength and durability
• 135 degree split point begins drilling immediately, minimizing bit walk
• 3-Flatted shank on 3 X 16 inch and above for better chuck grip

IRWIN offers a complete line of Metal Twist Drill Bits, including Black Oxide, Turbo Point, Titanium Nitride, and Cobalt Drill Bits.. IRWIN Black & Gold drill bits feature a 135 split point tip for accurate drilling without a center punch. Laser-etched markings for easy identification. High Speed Steel features a black shank and gold flute. Heavy-duty web construction for strength and durability. 135 split point begins drilling immediately, minimizing bit "walk". 3-Flatted shank on 3/16" and above for better chuck grip. Provides accurate drilling without a center punch.