Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 11/16" X 6" Masonry Drill Bits

Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 11/16" X 6" Masonry Drill BitsSpeedbor MAX Speed Bits 6" Standard Length Bits Features: 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.

Bulk Boxed

High Density 'Jumbo' Blue Zirconia flap disc for right angle grinders

14a motor for more power & performance

3/8' all-metal ratcheting keyless chuck for greater bit retention

Perfect for grinding

oversized blade body

Parabolic flute design for improved heat dissipation and increased life

Variable speed of 0 – 2800 SPM

All bits have a 4-1/2" twist length and a 7-1/2" overall length

6' shank length

3/8" mnpt x 3/8"

1/4" shank size plug cutter