Irwin Speedbor 3041003 Speed Bit Set, Tri-Flute Flute, Hex Shank

Tri-Flute design for faster chip ejection cutting spurs have 3 cutting edges for added durability. Full screw tip allows bit to self-feed. Grooved hex shank prevents slipping in drill chuck. Fits all standard 1/4 in quick change chucks. Includes (1) each 5/8 in, 3/4 in, 1 in and case.

• Tri-flute design for faster chip ejection
• Tri-flute design for faster chip ejection
• Cutting spurs have three cutting edges for added durability
• The fastest speedbor ever
• Full screw tip allows bit to self-feed
• Grooved hex shank prevents slipping in drill chuck or bit extension
• Fits all standard 1/4 in quick-change chucks
• Includes an IRWIN Pro set case made of durable molded ABS resin, so it can hold up to anything the jobsite throws at it
• Case includes a full-length metal hinge pin for maximum durability and long life and bit identification is simple with easy-to-read size markings