Irwin 1866037 Wood Speedbor Max Drill Bit, 1" x 4" Ridge Special features : Commercial grade

Special features : Commercial grade

The air and water adapter kit is great for filling tires with various liquids

Allows you to grab frames without mistakenly killing bees with large fingers

Commercial cleaner resistant

restartable up to 30 days

Irwin 1866037 Wood Speedbor Max Drill Bit, 1" x 4" Ridge Special features : Commercial gradeHighlights: Size: 1" x 4" Three cutting spurs for faster, cleaner holes, less breakout, and extended drilling life Full screw point tip allows bit to self feed for ease of drilling Tapered tri flute design for faster chip ejection and less binding 1 4" quick change shank reduces slipping in standard chucks and is compatible with all 1 4" quick change chucks, including impact drills. Ideal for holes up to 2" deep Six times faster than standard spade