This premium 15-piece high speed steel drill set is engineered for heavy-duty drilling through metal, wood, and plastic. Featuring a 135-degree split point to prevent walking and a nitride black and gold treatment, these bits offer increased hardness and superior tool longevity.

• Heavy-duty jobber length bits designed for efficient drilling in metal, wood, and plastic.
• 135-degree split point eliminates walking and allows for faster drilling with less downward force.
• Nitride black and gold treatment provides a tough protective layer for increased hardness and longer tool life.
• Precision ground to tight tolerances for high-accuracy performance.
• Features 3 flats on shanks above 11/64 in. to ensure tighter chucking and reduced slipping.
• Constructed from premium high speed steel for professional-grade durability.