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3/8-in x 3-11/16-in Woodboring Forstner bit Drill Bit

Ratings & Reviews for IRWIN 3/8-in x 3-11/16-in Woodboring Forstner bit Drill Bit

4.7
139
Review
 4.7 out of 5
140 Reviews


97% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The drill bits are generally well-received, with customers praising their ability to create clean, smooth, and flat-bottomed holes in various wood types. Many find the bits to be high-quality and durable, staying sharp and performing consistently even after extensive use. While a few customers experienced the bits becoming dull more quickly than expected, the majority were satisfied with the overall performance and quality of the drill bits.

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

Get's the job done

Would Recommend

The perfect size bit for installing camlocks

June 9, 2026
From Marples 3_SLASH_4-in x 3-11_SLASH_16-in Woodboring Forstner bit Drill Bit Verified Purchaser
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Accurate and true bit

Would Recommend

Great quality as you would expect from this company. Bored in accurate and true whole at the size that you’re looking for.

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Great cutter

Would Recommend

This was my first forstner bit and WOW! Such a cleaner hole than a spade bit. I should have done more reading before buying so many spade bits.

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Good

Would Recommend

Do the job to drill out a mortise. I used with a drill press.

March 21, 2026
Verified Purchaser
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Perfect worker

Would Recommend

Works perfect

January 25, 2026
Verified Purchaser
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Cutting edges rough, and not sharp

Would Not Recommend

Upon removing the bit from packaging, I saw that the cutting edges were very rough. It looked like it had been heavily used. I am disappointed in Irwin for allowing this tool to pass inspection.

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Response from Irwin Tools

We appreciate your feedback on the 1966898. Your satisfaction is our top priority. Please contact support at WECARE@sbdinc.com and include a brie...

Irwin ToolsApril 9, 2025

Nice replacement for dull size in set

Would Recommend

Cuts well

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Excellent tool

Would Recommend

Works precisely as intended.

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works as intended

Would Recommend

cuts clean accurate holes

October 4, 2023
Verified Purchaser
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Great product

Sharp! Easily drilled the countersinks for dozens of screws to be placed in some extremely hard tropical wood.

August 26, 2022
Verified Purchaser
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Good bit

Smooth no walking bits. Above par I would recommend for all users.

January 27, 2022
From Marples 7_SLASH_8-in x 3-11_SLASH_16-in Woodboring Forstner bit Drill Bit Verified Purchaser
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Good price

Would Recommend

Price was right time will tell on how long it will stay sharp

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