This drill bit designed for wood-boring projects. It features high grade durable construction. Tri-flute design for fast chip ejection. Cutting spurs have three edges for added durability. Grooved, 1/4 in hex shank prevents slipping in drill chuck or bit extension. Fits all standard 1/4-in quick change chucks.

Features

• IRWIN 3-pack Tri-Flute bit set includes 5/8-in SPEEDBOR MAX, 3/4-in SPEEDBOR MAX and 1-in SPEEDBOR MAX, perfect for wood drilling applications
• Tri-Flute design for faster chip ejection
• Cutting spurs have 3 cutting edges for added durability
• Screw tip allows bit to self-feed for ease of use
• Grooved hex shank prevents slipping in drill chuck or bit extension, fits all standard 1/4-in quick change chucks
• Fits all standard 1/4 In. quick change chucks