The Milwaukee SDS-MAX 4-Cutter MX4 5/8 in. X 15-1/2 in. X 21 in. Drill Bits feature solid carbide heads that deliver up to 5x longer life in concrete with rebar. Engineered with rebar guards to provide maximum durability in hard aggregate and rebar. MX4 4-Cutter bits are designed with sharp centering tips for exact spot drilling in concrete. The integrated 4-cutter design prevents lock-up in rebar, reducing downtime. Variable flutes remove dust faster, reducing heat and delivering up to 15% more holes per battery charge. Wear mark indicator shows users the end of life when the bits no longer meet the ANSI requirement. The Milwaukee MX4 4-Cutter Drill Bits are ideal for concrete with rebar and masonry applications.
- 4-cutter design prevents lock-up in rebar, reducing downtime
- Variable flutes remove dust faster reducing heat & delivering up to 15% more holes per battery charge
- German made
- Meets ANSI B212.15 to fit common anchors
- Wear mark indicator to show end of life and when bit no longer meets the ANSI requirement
- Ideal for concrete with rebar and masonry
- Fits all SDS-MAX rotary hammers
Austyn Luettgen (verified owner) –
This bit drilled quickly and effortlessly. I recommend the Concrete With Rebar bit weather you expect to encounter rebar on the job that the bit is being purchased for or not. Expect the unexpected, such as hard gravel or other embedded metal or hard debris. This is the line of bits for the job.
Laron Davis (verified owner) –
This bit is awesome, fast cutting and low vibration, it made easy work of my project.
Joe Trantow (verified owner) –
made the job with no effort.
Owen Casper (verified owner) –
Great drill bit
Mervin Gottlieb (verified owner) –
Gets Through the concrete
Amelie Beatty (verified owner) –
Exelente! And good price
Brayan Botsford (verified owner) –
Awesome, works great!!!
Jacques Rempel (verified owner) –
When I ordered this SDS MAX drill bit I thought the MAX as the name of the bit not knowing that there are 2 sizes of sds drills. SDS PLUS and SDS MAX are the 2 sizes they have different size shanks.Yes there adapters to go from one size to the other, I would only recommend that if you have the larger size SDS MAX to reduce to SDS PLUS other wise you may over work you drill and destroy it.This drill bit was tested on a GRANITE BOULDER and it went 15″in ONLY 90 SECONDS!!!!I actually had to buy a new SAS MAX hammer drill and I got one from Harbor Freight, this 4 cutter drill bit looked like brand new after the test hole. Imagine how fast it could go through concrete witha more powerful drill. I would HIGHLY RECOMMEND this Milwaukee bit to every one who needs to get hols done quickly!!! I am a HUGE Milwaukee tool fan and I have had only good luck with ALL of thier tools as well as drill bits and saw blades.
Tommie Baumbach (verified owner) –
Good bit, fast drilling
Colleen Pfeffer (verified owner) –
Very well made as are all of Milwaukee’s tools. SDS tools are easy mounting and easy to remove, no keys necessary. These bits cut like a dream. Shank is precision ground to fit SDS MAX tools. Very fast and smooth cutting. The way the carbide is shaped and sharpened it should hold up for a lot of holes.Photos would show little so I have none with this review.
Noemy Funk (verified owner) –
Awesome
Ivah Jakubowski (verified owner) –
Put my pool guy out of business!
Gladyce Satterfield (verified owner) –
This drill bit ate through the concrete like it was butter. In about 20 seconds, I was 12″ deep into the concrete foundation. I did not hit rebar, so I cannot comment on how well it holds up for going through rebar.
Linwood Doyle (verified owner) –
Excellent
Heloise Trantow (verified owner) –
The Bosch was a better bit
Alejandrin Bayer (verified owner) –
A mean tool
Novella Lowe (verified owner) –
Drills into concrete like a hot knife goes through butter.
Arlene Green (verified owner) –
Very good
Dominique Rohan (verified owner) –
I needed to drill a bunch of 2″ deep, 3/4″ holes in a well cured concrete slab. This bit did a great job, drilling the holes in no time. I found that I got the best results if I supported some of the weight of the drill. The entire weight of the drill was too much pressure on the bit for optimum drilling speed.After a dozen holes, you could hardly tell the bit had been used. This is a well made bit, and I expect to drill a lot of holes with it. It should easily last me for the rest of my life…
Jesus Mayert (verified owner) –
It was okay for about the first 15 holes and then it lost it’s ability to continue making holes in the concrete. The Hilti bit that I had before made about 40 holes in the same concrete.