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For your 1/4-1/2 holes, corded SDS. Larger holes, forget the hammerdrills altogether and get dry diamond bits. | |||
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Member |
My dad used to install safety covers on swimming pools (the kind you can walk on) as a side gig. Typical cover was 30-75 holes needing drilled. My dad liked to go cheap on every power tool he ever bought... EXCEPT THE ROTARY HAMMER. He started with a hammer drill, quickly gave up and started renting rotary hammers. Once the business picked up he decided to invest in one. Hilti is the way to go. | |||
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Just for the hell of it ![]() |
I have used a Bosch Bulldog Xtreme rotor hammer drill for years. If your drilling a few small holes a cordless one will be fine but a good corded rotary hammer will blow them away. _____________________________________ Because in the end, you won’t remember the time you spent working in the office or mowing your lawn. Climb that goddamn mountain. Jack Kerouac | |||
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Just for the hell of it ![]() |
I did a few of those many years ago when I worked for a pool company. We dealt with commercial pools. 30-75 is nothing. Agree on the Hilti at that level. Another big key was a long drill bit so you didn't have to bent over. _____________________________________ Because in the end, you won’t remember the time you spent working in the office or mowing your lawn. Climb that goddamn mountain. Jack Kerouac | |||
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Ammoholic![]() |
This. You can do 1.25" with SDS max easily or 2" painfully with good rotary and time. Only problem is you're in the $800+ rage for SDS max Hilti or similar. I have a $150 SDS Milwaukee that will do 1/4-1/2" for general homeowner stuff or light work stuff. Jesse Sic Semper Tyrannis | |||
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safe & sound![]() |
I recently purchased a cordless 20V Dewalt SDS to go along with the other drills in the truck. I am pleasantly surprised at how well it works being cordless. | |||
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goodheart![]() |
I greatly appreciate the advice given here—I knew nothing about the difference between a hammer-drill and a rotary hammer-drill. I ordered a Makita XLT system cordless, uses SDS bits, and both a set and several backup bits. I’m going to be installing a rattlesnake 1/4 inch mesh fence; the base is a low slump block wall, and I plan to use 3/16” Tapcon screws with fender washers about every 6 inches of about 125 feet of wall. The mesh will also be zip-tied to a four foot high wrought iron fence. _________________________ “Remember, remember the fifth of November!" | |||
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Good Lord, you guys rock. Thanks for the advice to everyone. I bought the Bosch (Ensigmatic turned me on to it). Heck, I might go Linux now ![]() | |||
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Nullus Anxietas![]() |
Now that's just crazy talk ![]() Be sure to let us know how it works out. "America is at that awkward stage. It's too late to work within the system,,,, but too early to shoot the bastards." -- Claire Wolfe "If we let things terrify us, life will not be worth living." -- Seneca the Younger, Roman Stoic philosopher | |||
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Member |
I've used the Bosch Rotary hammer and it will go thru hardened 30 year old concrete like a hot knife thru butter. Unfortunately the one we had at work "took a walk" and at over 700 dollars the owner isn't willing to replace it. If you want a rotary that will take 30 years of use and still work perfectly get the Bosch. However if you just want a home use hammer drill then the Milwaukee M18 Fuel 1/2 inch hammer drill will work out well for holes 3/8 inch or less. Yeah it will do 1/2 inch holes but it's at it's limit with that size hole and I would consider it bordering on abusive. BTW, I have this drill and can tell you that when using to as a hand drill in steel with a large bit it will set you spinning if the bit snags. To be blunt it is powerful enough to hurt you so pay attention. I've stopped counting. | |||
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Another plus to the SDS rotary hammer is the variety of bits you can get, including chisels and small spades for breaking up hard dirt. There is also a wide scraping bit for removing thinest after you pull up a tile floor. Bosch chisel bits. When in doubt, mumble | |||
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Member![]() |
The Bosch BullDog SDS is almost as good as a Hilti hammer drill. At about 20% or less the cost of a Hilti. It will go thru anything you can throw at it. There is absolutely no comparison between the battery powered hammer hand drills (20V) and the Bulldog. | |||
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