Irwin 1866034 Wood Speedbor Max Drill Bit, 5/8" x 4" Posts Spring loaded with hex key

Spring loaded with hex key to adjust drilling depth

Size 4-1/0 Necessary part for installing entrance cable in overhead service

Ideal for multipurpose cleaning and daily quick clean-ups

halogen & incandescent bulbs On at dusk

Irwin 1866034 Wood Speedbor Max Drill Bit, 5/8" x 4" Posts Spring loaded with hex keyHighlights: Size: 5 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