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7/8-in x 6-in Woodboring Tri-flute bit Drill Bit

Ratings & Reviews for IRWIN 7/8-in x 6-in Woodboring Tri-flute bit Drill Bit

4.5
224
Review
Β 4.5 out of 5
225 Reviews


89% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The product features a tri-flute design that allows for efficient and quick drilling through various types of wood. Many users praise its speed and ability to create clean, straight holes. However, some report issues with durability, especially with the smaller 1/4-inch shanks, noting the bits can dull or break prematurely. There are also concerns about potential splintering or damage on the backside of the wood due to the aggressive cutting action. Overall, the product seems suitable for many woodworking tasks, but users should pair it with a powerful drill to get the best results, and the 3/8-inch shank versions are preferred for more demanding applications.

Customer review summary generated by AI, including incentivized reviews.
225 Customer Reviews

Excellent tool

Would Recommend

I finished what I started and was quick

June 24, 2026
From 3_SLASH_4-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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worked well

Would Recommend

This item worked well for my project

June 5, 2026
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Works very well

Would Recommend

Cuts well. Has not shown any sign of dulling.

April 18, 2026
From 3_SLASH_4-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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Easy to use it pulls it’s self into the wood

Would Recommend

Drills holes super fast and clean

April 17, 2026
From 3_SLASH_4-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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Awesome

Would Recommend

Perfect

April 17, 2026
From 3_SLASH_4-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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Works good and sharp

Would Recommend

Just right for the project I was working on

April 6, 2026
From 1-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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Efficient

Would Recommend

Really bit hard into the wood and made nice clean holed

April 3, 2026
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Worked great for me.

Would Recommend

I used my Milwaukee battery 18 volt 1/2 inch Hammer Drill used drill only in control mode 1 not high speed also used the hand hold bar installed, but it was hardly needed as little twisting occured. Irwin speedbor cut through a old hard 2x4 with no splinters on exit as seen in my pictures it cut quickly with just a firm pushing with no binding of the tool.

March 27, 2026
From 1-in x 6-in Woodboring Tri-flute bit Drill Bit
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So far, so good 😊

Would Recommend

I needed this for drilling through framing in wall to run low voltage wiring. My first use was with DeWalt DCD805B to drill through two stacked framing 2x4s. Like butter. I can't speak to durability, I will rarely need it, but worked great for me out of the box.

March 24, 2026
From 1-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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N/A

Would Recommend

Good sharp bit

February 19, 2026
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Nice product

Would Recommend

Good

December 28, 2025
From 1-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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Quick holes for H-Brace poles

Would Recommend

Easy to use, especially clearing wood shavings from the holes.

October 23, 2025
From 3_SLASH_4-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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In wet treated wood reverse and remove shavings

Very agressive bit. Requires a powerful drill.

August 28, 2025
From 1-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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I can dig it!

Would Recommend

Used to drill holes in 6x6 posts. Cut through them like butter!

August 17, 2025
From 3_SLASH_4-in x 6-in Woodboring Tri-flute bit Drill Bit Verified Purchaser
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