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Through 80 years of developing innovative tools and accessories for the concrete professional, BOSCH has become the acknowledged leader in the industry. with a robust line that can address everything from the toughest concrete drilling tasks to material removal, BOSCH is a company whose legacy is written in concrete. If the project requires work in concrete, from polishing and anchoring to material removal, there's only one place to turn for a complete solution. Trust BOSCH to provide the professional-grade tools and accessories to get the job done right. Ideal for large-area material removal of lime, plaster, hard finish plaster, sandstone, and abrasive concrete.. The hard metal binding even resists loads caused by strongly abrasive materials.. Optimal use-asphalt, fresh concrete, pumice stone, screed concrete, aerated concrete, plaster, cast asphalt, soft limestone, and plaster mortar. May be used on-basalt, old concrete, stone concrete pipes, natural limestone, quartzite, and sandstone.
From the Manufacturer
Easy quick change and simple plug removal. Now you can work faster - and smarter - using our patented Quick Change Universal Hole Saw System. Its revolutionary design and our universal mandrel works with any brand of tool or hole saw to let you change saws in seconds. The expanded family of Bosch hole saws now includes new carbide multi-material and sheet metal saws.
Kristofer Nilsen
Reviewed in the United States on August 4, 2024
Fix others mistakes, fix your mistakes…if that is possible, and super enlarge to fit new can lights. Electrician approved. Wish it had a case so I bought another canvas bag to add to the collection
SAFBUYS
Reviewed in the United States on July 30, 2024
Used to drill a bigger hole than the original hole. Excellent!
Cheryl Kottke
Reviewed in the United States on December 5, 2024
This product helped me expand the holes in my doors to fit the newer hardware
Hugues Vermette
Reviewed in Canada on December 11, 2024
Conforme aux attentes.
Pyramidion
Reviewed in the United States on October 16, 2024
The product page would have you believe this is Bosch’s hole saw arbor bit. However, despite the instructions saying if you’re using a 9/16 hole saw to use the small washer, as you can see the small washer doesn’t seat or do anything because the 9/16 hole saw doesn’t thread down all the way on the bit. Also, I can no longer use it just as an arbor for my 9/16 hole saw because the pilot bit doesn’t extend far enough beyond the 9/16 hole saw. I don’t know who designed this but they weren’t paying attention.
Ozark01
Reviewed in the United States on February 17, 2023
I was hired to replace the trim parts on a spa tub and the trim kit customer bought would not fit the existing faucet stems. So she ordered the rough in kit for the trim. Come to find out that the holes in the tub were 1 1/4" and the new rough in kit needed a 1 1/2" hole.I ordered the Bosch Enlarger Kit and along with a 1 1/4" hole saw and a 1 1/2" hole i was able to enlarge the holes with no problems.Some people are saying that the smaller hole saw is hard to get off after use but what I found was that when you break loose the larger hole saw with a wrench and channel lock pliers the smaller hole saw comes off with the larger hole saw.It works great and if you need to make some holes bigger this will do it.
Eduardo
Reviewed in Mexico on November 29, 2023
Muy buen producto
RJB
Reviewed in the United States on October 11, 2022
This is a fantastic tool that solves a complicated problem: how to enlarge an already existing hole cleanly and safely.In situations where you can't or don't want to clamp a sacrificial piece of wood to allow the pilot bit to guide the larger size hole saw, you can simply use this adapter.Very simply, it allows you to combine the smaller, original hole saw (acting as a pilot bit) and the larger, new hole saw together. This setup makes the smaller hole saw act as a pilot bit for the larger hole saw.To connect:- Attach adapter to any hole saw- Attach hole saw to Quick Change mandrelTo release:- Pull back black sleeve to release hole sawThe smaller washer is for hole saws 9/16" to 1-3/16" in size, while the large washer is for hole saws 1 1/4" to 6" in size.
CustWV
Reviewed in the United States on July 23, 2019
Have not used yet but is exactly as I expected and looks quite durable
JB
Reviewed in the United States on June 28, 2019
I just received this item so I have not used it yet. As usually happens with this type of tool, you buy it “after” you really needed it. I can tell just by setting it up that it is solidly made. The concept is simple so I’m sure it works as advertised. What I really like about it is that you can fit 2 saws with the same diameter arbor treads on it at the same time. This applies to both the larger and the smaller size. You can of course also use saws with different size arbors. It also has a nice release lock to snug in the saws after you screw them on. When I drill the wrong size hole again and need to use it, I’ll update my review.
Daniel L.
Reviewed in Canada on May 29, 2019
Rapide et facile.
Brian G
Reviewed in Canada on May 1, 2019
D une grande utilite !J adore !
Martin
Reviewed in Canada on March 18, 2019
Works very well even better than expected. Good quality. Perfect transaction.
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