This premium high-speed steel drill set is precision ground to tight tolerances for accurate drilling in 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 extended tool longevity.

• Heavy-duty jobber length design optimized for drilling metal, wood, and plastic.
• 135-degree split point eliminates walking and requires less force for faster, more accurate drilling.
• Nitride black and gold treatment provides a tough protective layer for increased hardness and longer tool life.
• Precision ground to tight tolerances for consistent performance.
• Three flats on shanks above 11/64 in. ensure tighter chucking and reduced slipping.
• Constructed from premium high-speed steel for professional-grade durability.
• Right-hand direction of cut for standard drilling applications.