1-1/2" x 6" Tapered Tri-flute, 3/8" Hex Shank Speedbor Wood Bit

The IRWIN Tools 3041021- 1 1/2" X 6" SPEEDBOR MAX Drill Bit is the Fastest Speedbor spade bit ever. 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 or bit extension. Fits all standard 1/4" quick change chucks.

Features:

• DOUBLE CUTTING SPURS - Scribe outside of the hole, reducing breakout.
• THICKER CUTTING EDGE - For longer drilling life.
• BLUE GROOVE POINT & CUTTING EDGE - For faster chip removal.