Irwin Speedbor Tri-Flute Wood Drill Bit

Speedbor Max is the fastest Speedbor. Tri flute design for faster chip ejection. There are 3 cutting edges for added durability and the full screw tip allows the bit to self feed for easier pull through. 1/4'' quick change hex shank prevents slipping in drill chucks and bit extensions. Fits all standard quick change chucks and adapters.

• 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
• The Fastest Speedbor spade bit ever