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ELITE SERIES 5/16-in 4-3/5-in Cobalt alloy steel Jobber length Twist Drill Bit

Ratings & Reviews for DEWALT ELITE SERIES 5/16-in 4-3/5-in Cobalt alloy steel Jobber length Twist Drill Bit

4.4
184
Review
 4.4 out of 5
187 Reviews


87% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these drill bits for reliable performance and durability across metal drilling tasks. Most report they drilled cleanly and efficiently through aluminum, steel, and angle iron with precise holes and no drifting. Many note the bits outlasted competing products, particularly on mild to medium-grade metals, and describe them as tough and hardened. Reviewers frequently commend the quality-to-price balance, expressing surprise at strong performance given the cost. A small number report wear on hardened steel or aluminum, but overall, most customers consider them excellent value and highly recommend them.

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

Drill bits

So far so good.

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Drill bit

Unit seems well made and has performed well I was using it in some heavy aluminum.

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Drill bit

I was assisted by a Lowe’s associate. It it worked exactly as I wanted, which was to enlarge existing holes

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Best product for the value

Would Recommend

I got this a few weeks ago and it worked perfectly

September 7, 2026
From Verified Purchaser
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Sharp ,long lasting drill.

Would Recommend

Stays sharp! I am glad Lowe’s carries wide range of sizes.

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Not good for drilling steel beam.

Would Not Recommend

I wasn't entirely impressed with the durability of the drill bit based on the cost. I needed to drill severall holes in a 5/16" steel beam flange. The drill bit took longer than expected to complete the two holes. A third hole was needed but the drill bit was pretty dull by the completion of the second hole.

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Cobalt shines

Would Recommend

Cobalt shines because it maintains its edge under high friction without softening. This help me drill on some rather difficult steel. Got the job Done.

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Drill

Would Recommend

Work great.

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Would Recommend
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Response from DewaltProductExpert

We appreciate the rating. Your feedback is valuable as we consider every piece of feedback we come across. Please email us at wecare@sbdinc.com a...

DewaltProductExpertAugust 21, 2026