0000346279641

Bosch

Model HC2081

Internet #100042577

Store SKU #611982

1/2 in. x 6 in. SDS-Plus Bulldog Rotary Hammer Drill Bit

$8.27 /each

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Product Overview

The Bosch 1/2 in. x 4 in. x 6 in. Carbide SDS Shank Hammer Drill Bit is ideal for drilling in tough concrete. This carbide-tipped drill bit has a 4-flute design because faster dust extraction enables faster drilling. Bosch brings constant innovation to concrete and masonry drilling. From inventing the industry standard SDS system to custom-manufactured carbide and diffusion bonding, the result is better performance and durability.

  • Suitable for drilling in concrete
  • Carbide tipped design for durability
  • Centric tip enables accurate, rounded holes
  • 2 cutter tip is ideal for small, precise holes
  • 4 flutes for faster dust extraction

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Customer Questions & Answers

1/2 in. x 6 in. SDS-Plus Bulldog Rotary Hammer Drill Bit
1/2 in. x 6 in. SDS-Plus Bulldog Rotary Hammer Drill Bit

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Holes Too Large?

This question is from 1/2 in. x 6 in. SDS-Plus Bulldog Rotary Hammer Drill Bit
Asked by
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August 15, 2015
I bought this to drill some 1/2" holes in brick using a Bosch Bulldog rotary hammer. The holes are too large for a lead anchor that requires a 1/2" hole. The anchor just falls into the hole with no resistance and spins. I tried drilling a smaller pilot hole first but the result was the same. I ended up using a 7/16" drill and hammered the anchors in though this is really not the correct way to do this. I was drilling carefully to avoid wallowing out the hole. I hope a Bosch rep sees this post and can advise me on why this drill cuts the hole too large. If this is by design then I feel I wasted my money.
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Answers (2)

Asked by
Logan, Utah
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Home Improvement Profile: DIYer
November 11, 2015
Answer: 
High quality concrete is very hard and the hole is the same size as the bit. Lower strength concrete breaks apart more easily and the hole in the concrete is enlarged. If the hole is too large an anchor using epoxy grout may be required.
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Asked by
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August 19, 2015
Answer: 
We are sorry to hear about the issue you experienced using SDS bit. If the type of anchor you used said to use a 1/2" bit then it should have worked. Please contact our Bosch Customer Service Representatives at 1-877-267-2499 so we can further discuss and troubleshoot the issue you had with the bit and possible options for resolution.
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Customer Reviews

Rated 4.1 out of 5 by 13 reviewers.
Rated 5.0 out of 5.0 by Excellent bit - even outlasted by cordless hammer drill! I recently built a concrete block wall and needed to drill a 1/2" hole through each block for rebar. I decided on this drill bit instead of the slightly more expensive 'Extreme' version and it handled drilling a 4" deep home in over 60 concrete blocks with ease. It was still going strong on the 60th block. Even though the drill bit has the special Slotted Drive System/SDS grooves in the end, I found that you can still use it in a regular drill chuck if you make sure the drill is centered properly in the chuck. I started off using the bit in my cordless 18V hammer drill and the cordless drill motor self destructed after about 45 blocks, so this $8 drill outlasted a $300 hammer drill!! I then switched over to a 110V corded SDS drill and it continued to eat through the remaining blocks with ease. Since each block was 4" thick and I drilled through 60 of them, I can safely say that this drill bit will drill through at least 20 linear feet of concrete with more to spare, so its good value for money for the average DIYer. September 12, 2016
Rated 3.0 out of 5.0 by Adequate The bit came with a rubberized coating over the tip but even through the coating I could see the dull edge. I used it in my hammer drill for about 50 holes in concrete. As you would expect it was slow but it held up fine and didn't get any worse. I have powerful drill and it would make a hole even if the bit was ground to a stub so I wasn't too worried about it. Even a sharper drill would have been dull after 10-15 holes anyway. August 16, 2016
Rated 5.0 out of 5.0 by great bit great bit no complaints. went throw a solid concrete wall August 9, 2016
Rated 5.0 out of 5.0 by Excellent Concrete Drill Bit Had to install some concrete anchors, this drill bit got the job done easy....glad i bought it. June 28, 2016
Rated 5.0 out of 5.0 by SDS Carbide Shank Hammer Drill Bit Excellent Bit drilled throw 3 inch concrete in a few seconds, could not ask for better, thanks Home depot! April 27, 2016
Rated 1.0 out of 5.0 by not long lasting drill bit this drill bit broke 5 minutes into the job hit a knot in the board and broke December 9, 2015
Rated 5.0 out of 5.0 by The cutting of this product is awesome I have use other cement bits and they did not work like this one always had problems cutting, not this one it cut like cutting butter drill the hole very fast with no problems at all very nice December 8, 2015
Rated 5.0 out of 5.0 by High quality; works well. I have severa bits frrom HD. The bit is well made, sharp and easy to attach to the drill. The holes drilled in heavy concrete were done quickly and quite easily. November 11, 2015
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