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9/64-in 3-1/4-in Titanium coated HSS Jobber length Twist Drill Bit

Ratings & Reviews for Kobalt 9/64-in 3-1/4-in Titanium coated HSS Jobber length Twist Drill Bit

3.9
405
Review
 3.9 out of 5
405 Reviews


62% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers report sharply divided experiences with these drill bits. Many praise their sharpness, effectiveness in metal and wood, and convenient hex shank design, noting they drill clean holes and last long when they perform well. However, a substantial number report sudden, unexpected breakage under light pressure or during routine use in common materials like wood and aluminum, with some breaking on first use. Several cite brittleness and safety concerns when used in impact drills. A few mention they work best in controlled conditions like drill presses. Overall, performance appears highly inconsistent across users.

Customer review summary generated by AI, including incentivized reviews.
405 Customer Reviews
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Absolute Trash

Would Not Recommend

Sanpped from few uses on simple cabinets wood. Plus it's not straight, the bit is crooked. I would like to get a refund. I'm never buying anything Kobalt again.

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If you are on the fence this bit will save you tim

Would Recommend

Went throug the metal like butter. My old bits sucked.

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Eh drill bit I would pass

Would Not Recommend

Maybe I was using it too hard or it didn't quite fit the different drills I used; but I was getting the same issue where the part in the drill (silver/grey portion) would spin with the drill but the actual bit would not spin/drill.

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Drill bit

Kobalt brand drill bits are great for drilling into metal.

July 24, 2026
Verified Purchaser
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After trying other brands of drill bits, and finding out that don't drill into metal very well, I discovered that the Kobalt brand works best for metal drilling.

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Crap dont buy

Cheap broke almost instantly

June 29, 2026
From Verified Purchaser
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