Irwin 1866036 Wood Speedbor Max Drill Bit, 7/8" x 4" Carving and maintenance where the raceway

and maintenance where the raceway changes direction

Succession of yellow and red lights provides indication of circuit status or specifies wiring errors

Shank length: 3"

Gold Stearate Coating Anti-Clog

but costs less

Irwin 1866036 Wood Speedbor Max Drill Bit, 7/8" x 4" Carving and maintenance where the racewayHighlights: Size: 7 8" 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