Irwin Speedbor 3041020 Auger Boring Bit, 1-3/8 in Dia, 6 in OAL, Tapered Flute, 3-Flute, 3/8 in Dia Shank, Hex Shank

The Irwin Speedbor MAX SPEED wood drilling bit is the fastest SPEEDBOR ever. The speed tip features a full screw point that allows bit to self-feed, as well as three cutting spurs for faster, cleaner holes, less breakout and extended drilling life. The tapered tri-flute design allows for faster chip ejection and less binding. Its grooved hex shank prevents slipping and fits all standard 1/4 in quick-change chucks, including impact drills.

Unit: EA

• Applicable Materials: Wood
• Diameter: 1-3/8 in
• Finish: Bright
• Flute Length: 2-7/8 in
• Flute Type: Tapered
• Material: Carbon Steel
• Number Of Flutes: 3
• Overall Length: 6 in
• Point Type: Screw
• Quick Change Shank: Yes
• Shank Diameter: 3/8 in
• Shank Type: Hex