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The BOSCH line of metal drill bits offers a solution for every professional application. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch. BOSCH black oxide bits offer superior durability, speed and selection to support most general-purpose applications.
From the Manufacturer
When trades people need clean, accurate holes in wood for pipe, conduit or tubing, they reach for a self-feeding bit. Bosch Power Tools and Accessories redesigned their self-feeding bit line for faster and easier cutting, even in wet wood. Bosch now offers 13 bits ranging in size from 1-Inch to 4-5/8-Inch in diameter. All bits are equipped with a replaceable coarse threaded tip that draws the bit into the wood for consistently more accurate holes. Deep gullets prevent the bit from binding before breakthrough. Each bit is accompanied by a replacement kit that includes an additional threaded screw tip, a set screw and hex wrench.
John Sound Dude
Reviewed in the United States on September 22, 2024
Got this to replace a broken bit used for running pipe (EMT or Rigid) in wood studs. Works just as ATI should. Good feed rate and cuts a clean hole. I would buy this again.
Daniel Ramage
Reviewed in the United States on November 23, 2024
JUNK! one shaft broke without any use and the other after a week of little use.
JakeBeNimble
Reviewed in the United States on January 12, 2024
I used this to install TABs for my kids treehouse. It's the perfect size for the Treehouse Attachment Bolts collar and it's self feeding and very sharp. It creates clean chips and minimizes damage to the tree. The centering bit did come loose, so make sure everything is nice and tight before you begin and clean the tip out here and there. This also seems to be of much higher quality than the toolkits the TAB manufacturers offer.
Customer
Reviewed in the United States on April 4, 2024
Overall it does the job... Only issue We have is the self feed screw bits keep breaking Have purchased 10 of them in the last year, and all of the self feed screw bits break... and in the most inconvenient place, flush with the opening making it impossible to get out.
Derrick D.C. Lee
Reviewed in the United States on August 12, 2023
Exactly as described
Justin Shook
Reviewed in the United States on August 30, 2022
In general, a nice quality bit per expected from Bosch. I used it to drill through bark for my tree house attachment bolts. Wieked great but the feeder bit in the center kept falling out no matter how much I adjusted the Allen bolt. Decent however.
Mark N.
Reviewed in the United States on August 20, 2022
Drilled 16 holes perfect. definitely a contractors grade tool. I will get years of use from this bit and at a great price for the high quality.
arnie R.
Reviewed in Canada on November 22, 2019
Hole boring.
john karsten
Reviewed in Canada on August 19, 2018
Good drill bit but arrived not sharp.
Vinnie
Reviewed in Canada on March 3, 2018
the work awesome for the price. works great with my right angle drill!!
Customer
Reviewed in the United Kingdom on January 19, 2018
Best drill bite I have ever seen.
Customer
Reviewed in Canada on July 22, 2017
This thing cuts like a knife...saves a lot of time as opposed to using a hole saw and seems to be quite durable. .
K. Rochester
Reviewed in the United States on October 24, 2013
I used this bit to bore the 3" countersink hole for installing a couple of treehouse attachment bolts (TAB's) in some oak tree's. I found it to cut very nicely, the perfect blend of aggressive cut and smooth finish for what I was doing, and could not have been happier with the result. And as a happy coincidence the thickness of the bit was identical to the thickness of the 3" collar on the TAB, so it was very easy to judge the depth of my counterbore in relation to the TAB.If you are reading this review and not building a treehouse, rest assured this is a quality bit for just about any use I can imagine you would want to use it for. It was sharp, robust, and of high quality design and construction. And it comes with a replaceable screw tip if you wear the first one out, or if you just want to remove it to smooth out counterbored holes (with the screw in place the bit is always mid cut). Note that this is not really a "finish carpentry" bit, so keep in mind rough carpentry type applications are what I am thinking, it is after all a fairly aggressive cut.If you are reading this review and are planning on building a treehouse, I can offer this advice from my experience: Start with this bit and bore just shy of where you want to end up with your countersink depth for the collar. Then, drill with a 1 1/8" auger bit about an inch past that. Then drill with a 1" auger bit the remainder of the depth to allow for installation of the TAB. Then, I went back one last time with this 3" bit and just touched up the face of the counterbore. It was very easy to smooth it out without the screw trying to pull the bit in. Then I installed the TAB.I decided that using separate bits that were commonly available instead of purchasing (or renting) the specialty bits they sell for the task of drilling the holes for the TAB's to be a better value proposition for me (I like tools, and I like tools that have more than just one use, especially since I don't envision going into the treehouse business). Keep in mind that the specialty bits are designed to keep the holes in perfect alignment so that the counterbore is exactly perpendicular to the hole. When you use separate bits like this you must be VERY careful to keep your holes straight and on the same centerline. There is only a very tiny bit of fudge room when doing it this way. I used a level on my drill continuously to ensure that all holes were straight, and the auger bits maintained the same centerline by starting in the same screw feed hole the previous bit before it left, and I had no problems doing it like this. You may want to consider this added degree of difficulty though if you are less handy with a drill.I have added a few pics to illustrate the installation process of the TAB's with this bit.
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