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Taper Lock
The dry diamond drill core bit comes with a taper lock system which provides extra security compared to a set screw lock.
- Insert drill into taper lock.
- Tap it on a hard surface to center drill bit and lock it into place, no set screws required.
- To release, insert drift key sharp side up into the taper lock hole.
- Tap it on a hard surface to release drill bit.
Jeremywell Dry Diamond Drill Core Bit for Brick and Concrete with Pilot Bit, 1-1/2" (38mm) Diameter with SDS Plus Arbor for #30/40 Diamond, Laser Welded
- High diamond concentration for excellent footage and drilling speed.
- For use on hand held core drills and core drill stand
- Laser Welded - #30/40 diamond grit segment design allows fast drilling with a longer life
- Dry Drill Bit with Pilot Connection 1/2"BSP threaded attachment
Lou S
Reviewed in the United States on February 14, 2025
so one of the cutter tips sheared off after going about an inch into concrete . did not hit rebar. close inspection of the metal shows its a very cheap casting with lots of porosity ... what a complete waste of $30
Darius S.
Reviewed in the United States on August 7, 2024
Came in clutch and worked great for a fast drill through 8” of concrete…
Tom S
Reviewed in the United States on July 21, 2024
Broke. Not very strong. Had to purchase another bit to finish my project. Not worth the money
Bruce Slaton
Reviewed in the United States on February 15, 2023
Overall good bit. Bought a 3 inch bit. Drill adapter broke before completing the 1st hole, but I contacted the seller and it was replaced as long as I could send them a picture of broken adapter.Now I just have to figure out how to get the other half out of my drill.If adapter hadn't broke it would have gotten a solid 5 stars
Boydo
Reviewed in the United States on January 19, 2023
This tool broke quickly drilling soft perlite concrete. Poor manufacturing design left a weak area at the bottom of the cutter tube where it sheared right off. Seller was very good about full refunding but who needs the hassle in the middle of a job.
Mayra Romero
Reviewed in the United States on May 15, 2022
Worked great for taking asphalt samples with my drill. I wish it came with a hex arbor shank instead of the SDS style shank. A 13/32 deep socket and hex adapter might let me keep running this on my Milwaukee drill without worrying about marring the drills chuck.
Customer
Reviewed in the United States on June 20, 2021
Did not get all the peices for the bit
Peter Rosado
Reviewed in the United States on October 17, 2021
The bits fit on the hammer drill was snug but the guide pin doesn’t tighten enough to hold the bit properly. I had to replace the pin numerous times on a 3” core. Considering the price of the bit the pin should hold properly, teeth seem strong but if you’re intending to use it for precision holes in stone and not concrete then this might not be the bit for you.
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