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White smoke now pillows from the drill. I loved my 11236VS SDS Rotary Hammer until I used it to mix thinset. I burned up the windings. It was only the 5th time I'd used it, but as it outside of one year it is no longer under warranty. Knew I should have bought a Hilti.
Therotary hammer cuts like butter. I had never used a rotary hammer before. It's easy to drill too far. Only a hammer drill. If you are finding drilling into concrete slow this is amazing. What tookmy hammer drill 15 minutes took this 30 seconds. Perfect.
The wobble was the biggest concern. It took 15 minutes per hole, it got pretty hot, the bit wobbled some always but not enough to screw up the holes and I had to hold the trigger constantly which was a pain.
It was looser than I expected. I bought it new, the SDS+ design did allow some wobble from minute one even with new bits.
Overall it worked, I drilled 20 12" deep holes in solid bedrock with a 7/8" bit. The chuck design made it very difficult to change bits.
There is also no trigger lock so you have to manually hold the trigger all the time and some of these hammer drill type jobs can be long. It worked so I was happy but a few things could be improved.
If you need perfect holes this will not do it.
The first time I saw a friend use his Bosch Hammer drill back in 1978, I was sold. The quite smooth operation almost fools you because it works so effortlessly. For an all around size and level of comfort, I found the tool to be quite efficient. I still have and use my original Bosch Hammer drill but its getting a little tired and it doesn't have the chiseling ability of the new rotary hammer drill. We use it for a variety of demo/ construction projects which include occasional masonry work. I stayed with plus size so I could use all of my existing bits and drivers from my previous Bosch Hammer drill. Great Product. Thank You MB in Pa.
I have been in the trades for over 20 years and never felt that i needed a "REAL" Hammer drill, somehow got by with a Cordless Dewalt Hammer but struggled thinking thats the nature of the beast. Well i have to say this would be one tool that i couldn't do without. I mostly use it for 1/4" tapcons in Foundations and its a Breeze.The tool is just the perfect weight/Size any heavier would be to much for a Tapcon drill,if your doing mostly 3/16-1/2" holes and occasionally larger coring then i would have no reservations for suggesting this Rotary Hammer. Its absolutely great.And for Under $200 its tough to beat.
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