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Availability:
In Stock.
Arrives
Sep 4 – Sep 8
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Features
- BLUEROCK Model 4Z1 Handheld Core Drill for Concrete, Asphalt, Cement, Rebar reinforcement, Brick and Stone
- 110V Motor & Dual Speed: 2100rpm/950rpm
- Portable Handheld Unit (Can be used in optional stand, not included)
- New improved water hose assembly with metal fittings and hardware for "wet" drilling
- Removable shoulder rest stock, locking trigger on/off switch, carrying case, extra brushes, operation manual included
- Integrated Vertical and Horizontal drilling fluid bubble levels for precise drilling
- Industry Standard 1-1/4" Threaded spindle end fits Bluerock brand wet type diamond core bits
- DRILL BIT PICTURED IS NOT INCLUDED
Is Discontinued By Manufacturer : No
Package Dimensions : 19.5 x 15.3 x 6 inches; 22 Pounds
Item model number : 1127W737984
Date First Available : July 8, 2014
Manufacturer : BLUEROCK TOOLS
Best Sellers Rank: #179,494 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #10 in Power Core Drills
#10 in Power Core Drills:
Customer Reviews: 4.4 out of 5 stars 228 ratings
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sep 4 – Sep 8
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Purchased to cut through 4”n20 year old concrete slab to move a drain line. Used a 6 1/2” diamond core saw with masonry guide bit. The core drill low speed setting a too fast to use for starting saw as it would walk. Used a SDS variable speed drill to get a slower start speed and get the core saw to cut a slight groove. Once I had a good cut started I switched over to the core drill, core drill gad no problem cutting through the 4” slab 2 times within a relatively short time frame. I did not use water libe for drilling due to the mess, I just poured a little in the cut groove along and along to cut diwn on dust. My core saw was a dry saw so not a big problem It would be nice if the water hose had a quick disconnect on the drill side as it was a pain trying to drill with it attached but not being used. No idea as to longevity, it seems to be reasonably well made and I did not notice any problems with overheating during my use. Note I was using a larger core saw than suggested max and I was not in a hurry so did not push the drill hard. Seems to be ideal for a DIY person not doing constant drilling or possibly use by a plumber or other trade that don’t need to drill cores daily.
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Reviewed in the United States on November 19, 2022 by farmerz
Worked good until brushes burned-out
Reviewed in the United States on August 6, 2022 by Pat Alley
Was able to dry-drill two 10 inches 3.5in diameter cores in house foundation for WC fan duct. It was my first time ever at core drilling. Outdoors, in the fall, I went slowly, resting myself and the motor fdr 5 minutes whenever motor/drill body would get hot. I used a pilot bit and proper adaptors, goggles and mask. (I had also bought a wet core bit but did not use it fearing the proximity of water and electricity+ the need to insure water pressure +regulate flow. Just holding the drill, a real beast, is already quite a chore. My decision to dry drill was the right one, being all by myself.) This hi amperage drill is heavy and drilling is a real exercise for the arms and lower back. Clutch works and prevents grave and vicious wrist twisting when bit abruptly grips. Using the pivotable hand grip as a stand (i rested it in a 4'' drainage pipe) stabilizes the drill, dampens vibration and eases the strain on the upper limbs. A professional stand for the drill would be ideal, is available but very expensive + needs proper stable surface unless you bolt it to the foundation temporarily. The holes drilled were nice and smooth but slanting downwards toward inside the house, not perfect: likely a side-effect of holding the drill without a pro stand. Once the wrong slope has started (it is not noticeable at that point) is is impossible to correct it In retrospect I should have drilled aiming at at least a +10 degree angle above horizontal to counteract the drill weight effect/muscle fatigue over several minutes of drilling. Also the pilot hole should have been drilled 1 in higher imho. The China-made metric pilot bit that I was sold on AMZ was too loose/wobbly and I finally bought just a slightly larger SAE one in the local hardware store. I drilled a pilot hole first with an SDS bit then inserted the longer pilot bit tip (pushed beforehand inside the drycore bell inner central hole) in a SDS-bit pilot hole.) Once a dry circle was carved .25 in deep, I removed the long pilot bit continuing just with the dry bell.
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Reviewed in the United States on December 17, 2015 by P.Ilou
I thought about renting a drill and I am so glad I did not because first of all this drill was almost the same price as renting one, second of all, after I drilled two 2.5" holes 7 inches thick horizontally I am really glad I did not rent one because I would have had to rent it twice as long as I thought it would take. This drill does not cut slow compared to others but when you only cut holes every few years it takes longer than you think. I was tired after the first hole and after the second hole I had to wait a couple days before I felt like drilling the other small ones so just after a few holes this drill has paid for itself and now I own it. I caught a long bit on it a couple times and I was worried that the delay in the clutch would catch me off guard but six inches deep and bound up did not twist my arms or wrists like I thought it would. I am 5' 10" tall at a stout and strong 175 and I could handle the catch in this drill pretty good. I have not hit any re-bar and I have been told that that is what causes the most damage but I did bind this drill up pretty good and once I even bound it up by trying to untie the kinked water line with my left hand as my right hand took the entire force of the bit catching (didn't twist my right hand like I thought it would and was a long ways away from breaking my hand or wrist) I almost gave this 4 stars because the crappy plastic water connection that comes with this drill has to be replaced first thing with a brass one that won't leak. I had one on hand and if you don't care about water leaking then this drill is a great deal. If you do care about too much water in places you don't want then be prepared and buy a garden hose adapter made out of brass and replace the one this drill comes with before you start drilling . all in all 5 stars.
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Reviewed in the United States on August 11, 2016 by sky nobleman
I purchased this less than 30 days ago at first I thought it was awesome worked fantastic for the first two jobsites roughly about eight cores per jobsite on the third jobsite halfway in to my fourth core it lost its torque and was basically useless in first gear and was barely able to finish the hole in second gear so messaged the seller hope to hear back from them soon will update when I hear back from the seller really hope this is just a fluke and they make it right so we update the review and give five stars
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Reviewed in the United States on October 11, 2022 by LR