This premium 29-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 exceptional tool longevity.

• Heavy-duty jobber length twist drills designed for efficient drilling in metal, wood, and plastic
• 135-degree split point eliminates walking on workpieces and requires less force for faster drilling
• Nitride black and gold treatment provides a tough protective layer for increased hardness and longer tool life
• Precision ground to tight tolerances for accurate hole sizing
• Three flats on shanks (sizes 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