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EDiamondTools Reviews

4.6 Rating 699 Reviews
91 %
of reviewers recommend EDiamondTools
4.6
Based on 699 reviews
Shipping & Delivery
Delivery Methods
Postal Service, Courier
Average Delivery Time
Within 5 Days
On-time Delivery
96%
Accurate And Undamaged Orders
99%
Customer Service
Communication Channels
Email, Telephone
Queries Resolved In
Under An Hour
Read EDiamondTools Reviews
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Phone:

6266565982

Email:

support@ediamondtools.com

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Anonymous
Anonymous  // 01/01/2019
Drill thread do not match core bit
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Posted 4 years ago
Great drill and core drill. It ripped through the concrete super fast. And the shipping was lightning fast. Very happy customer.
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Posted 4 years ago
Drill worked fine. Delivery was over a week late, you all should consider a different shipper.
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Posted 4 years ago
Core bit worked fine initially, however after using it on about (10) 7/8”Holes in paver brick the 7/8” OD (actually .835) pipe became very tight as though the bit diameter was getting smaller as more holes were drilled. Eventually a reaming technique needed to be used to keep the hole large enough so pipe could slide through. Water from a GH running over the drilling area was used the entire time during the drilling process
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Posted 4 years ago
The floor grinder I received malfunctioned within the 1st 30 min causing some of the parts to become damaged. The company did eventually get the right parts to me quickly. The replacement parts worked great. 2nd use was way better. I liked how well it worked as compared to more expensive models I have rented in the past..
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Posted 4 years ago
I had two 4” holes to drill though a twenty year old 5” concrete floor. A rental tool would have cost me 2/3 the price of the EDiamond 4” core drill and the 1/2 drill adaptor. That’s a no brainer for me. The core drill arrived two days after I ordered it from EDiamond and even with some shipping was a little less than the Amazon prime price. As some of the other reviewers suggested I cut a 4” hole though a 2x6 with a standard hole saw a then stood on the 2x6 to get the hole started. A small stream of water flowing on the coring bit kept it cool and flushed during the process. It took me less than an hour to core both holes and the bit still looks brand new. The 1/2 Milwaukee drill I used was probably a little underpowered for the job and got hot but with a few cool down breaks it worked fine. All in all I was very pleased with the core drill and the adaptor and highly recommend them.
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Posted 4 years ago
Great core drill bit, got nice clean hole. Good customer support. A bit expensive.
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Posted 4 years ago
The diamond inserts for EDCO grinder were amazing. Little wear after many hours on hard concrete.
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Posted 4 years ago
Excellent Service Fast shipping and delivery . And the product was amazing . Thanks E diamond
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Posted 4 years ago
Works great. Justt as I hoped. Bought it to polish agate. Surprised at how well it does the job
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Posted 4 years ago
The drill operates as it should for the work we are doing.
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Posted 4 years ago
I used the "extended core bit for stone and concrete" to drill a 1 3/4" hole through a 1/2" marble tile backsplash (over top of a buried faucet valve stem). The first few minutes of drilling was the fastest but the bit held up for two holes, which is what I needed. I used a pre-drilled piece of plywood as my drill guide and the bit was very stable. It took about an hour per hole with a 2000rpm hand drill with lots of breaks to clear the hole and rinse the bit.
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Posted 4 years ago
So though these tools are made in China they seem to be pretty well made. I did have to provide a pair of O-rings. But that said it allows you to use your SDS MAX hammer drill with diamond core drills. Dry or with the water swivel you should be able to get things done. All in it is far cheaper than a dedicated core drill motor with water, like 5 to 1 cheaper. So highly recommended.
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Posted 4 years ago
Great products!!!
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Posted 4 years ago
Amazing blade so far!! Couldn’t be happier with service start to delivery and even to performance!
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Posted 4 years ago
Excellent customer service, fast delivery, high quality products at very reasonable pricing. Highly recommend.
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Posted 4 years ago
I used a 2 1/2" core bit to drill holes for railing posts in granite (and other) boulders. It was a bear doing this with a hand-held drill, but it worked with only occasional grabbing. I used two bits to drill 13 holes four to six inches deep. It worked, but there must be a better way! No issues with the core bits themselves - I was impressed.
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Posted 4 years ago
corner tools didnt work as expected .....
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Posted 4 years ago
Awesome tile polishing pads!!
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Posted 4 years ago
They were very prompt on getting my order to me and the tool did exactly what it was advertised to do. Thank you very much.
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Posted 4 years ago
EDiamondTools is rated 4.6 based on 699 reviews