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Bulldog Tough 4-Cutter 5/16-in x 6-in Alloy steel Masonry Drill Bit For SDS-plus drill

Ratings & Reviews for Bosch Bulldog Tough 4-Cutter 5/16-in x 6-in Alloy steel Masonry Drill Bit For SDS-plus drill

4.5
804
Review
 4.5 out of 5
804 Reviews


88% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this drill bit for exceptional performance in concrete and masonry, with most highlighting how effortlessly it cuts through tough materials like old concrete and cinder block. Many report drilling 20 or more holes without degradation, and reviewers consistently note the bit remains sharp and effective under heavy use. The 4-cutter design is recognized for enhanced durability and cutting efficiency. Most customers consider it a top-tier performer that delivers reliable, long-lasting results. A few users reported premature dulling after just a couple of holes, and some note it won't cut through rebar, though these represent isolated cases significantly outweighed by positive feedback.

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

Not great for drilling on a brick wall

Would Not Recommend

I bought this for drilling a hole on my brick wall based on recommendation from Lowes customer service people. This didn't work for me. It barely put a hole in the wall. The load is applying off centered even though i am using appropriate power tool.

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Response from BoschTools

Thank you very much for your review and rating. We are sorry to hear that the HC4C2001 did not perform as expected for your application. When drillin... Read More

BoschToolsSeptember 14, 2026

Great performance

Would Recommend

The drill bit performed great

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A beast

Would Recommend

The penetration And longevity of this bit works perfect for Drilling through foundations And it's a clean hole for wire to easily and safely pass through The center

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Concrete drill bits

Always easy to find the tool needed for my home projects... good customer service.

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Masonry Drill bit

Would Recommend

The drill bit works wonderfully

September 6, 2026
From Bulldog Tough 4-Cutter 1_SLASH_2-in x Alloy steel Masonry Drill Bit For SDS-plus drill Verified Purchaser
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Bosch bits

Would Recommend

Best concrete bit to go through hard concrete

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Works as it was supposed to, little to no trouble for my purposes.

September 4, 2026
Verified Purchaser
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Great bit!

Would Recommend

Great drill bit. Cuts through brick and stone like butter.

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It’s pretty decent.

Would Recommend

Decent bit. Just make sure you don’t hit anything.

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Drill, baby, drill

Would Recommend

Did a great job drilling into very old, hard concrete. Made a tough job easy.

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Easy install

Would Recommend

Easy to operate

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good bit

Would Recommend

used to drill into 63 year old brick. used a 1" hammer drill and chipped the brick due to lack of experience. second hole was spot on. still about three seconds, pull drill out, dip in a cup of water for cooling, blew out hole with a straw, and repeated until holes. screws went in flawlessly.

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Great Drill bit

Would Recommend

Used this to drill holes in my foundation for anchoring base plates. Made easy work of drilling holes.

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wrong size, says 3 1/16 " , but it's 3/16 " .

Would Recommend

wrong size, says 3 1/16 " , but it's 3/16 " .

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