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Speedbor IRWIN Tools 1866033 SPEEDBOR MAX Wood Drilling Bit, 4-inch by 1/2-inch

Free shipping on orders over $29.99

$6.49

$ 2 .99 $2.99

In Stock

1.:1-inch Bit


About this item

  • 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
  • Shorter overall length for drilling in tight spaces. Ideal for holes up to 2" deep
  • 1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills


Product Description

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 (3) 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" quick-change chucks, including impact drills.

From the Manufacturer

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 (3) 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" quick-change chucks, including impact drills.


Customer
2025-08-30 18:22:42
I liked the tool went through the wood like butter and made really cool curly cues.
Big John
2025-08-05 18:45:23
Drilling out a new door for the lock set. Worked great.
Witchhawk
2025-06-26 11:51:33
I have used spade bits and hole bits and while each has it's purpose, if you're drilling through joists or sill plates (or any other wood for that matter) these bits can't be beat. Once it gets started it forcefully pulls its way through like nothing. I drilled through a joist where I had to be careful where the bit came through on the other side (existing wires) and I had to hold it back to slow it down going through. It is amazing how easily these chew through wood.
Zapped37643
2025-05-27 12:40:28
This is a great little bit for those tight spots . It cuts a good clean hole and it self feeds very fast .
Galen Gillenwater
2025-05-16 11:30:25
Cut very fast holes and the hex shank allowed me to use my impact wrench instead of my drill.
Mark Savoca
2025-04-08 10:57:07
Sharp and digs right through 2x4s. Used dewalt cordless drill without any issues.
Joe J.
2025-04-03 13:55:48
went dull after going thru one 2x4 then the shaft broke in the drill terrible product
Pete R
2025-03-14 16:03:07
Did what I bought it for. Agressive
Siyamson
2025-03-08 15:57:13
good value for the price
Brett J
2025-01-17 17:29:12
Much faster than a traditional spade bit. Less blow out also. Stubby makes tight spaces easy.
GREGORY RUFFA
2025-01-14 18:19:50
Great drill bit fast and stronge. Would buy again.
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