IRWIN Woodboring Drill Bits 7/8-in Woodboring Tri-flute Drill Bit

The Irwin SPEEDBOR 7/8-by- 6-in MAX spade bit is a fast SPEEDBOR spade bit that features a Tri-foil design with a fast chip ejection. The SPEEDBOR MAX has cutting spurs with three cutting edges for added durability, as well as a full screw tip allows the bit to self feed. The grooved hex shank prevents slipping in drill chuck or bit extension, while the bit itself fits all standard 1/4-in quick change chucks.

• Cutting spurs have three cutting edges for added durability
• Full screw tip allows bit to self feed
• Tri-flute design for faster chip ejection
• Grooved hex shank prevents slipping in drill chuck or bit extension, fits all standard 1/4-in quick change chucks