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Rotary Hammer Vs. Demo Hammer

 
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Old 12-25-2016, 09:43 AM   #1
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Rotary Hammer Vs. Demo Hammer


I have a 1 1/8" Bosch SDS+ but will be getting another tool with more chipping power. It will primarily be used for demo of tile floors and mud beds but drilling capability is nice to have.

I'm looking at the makita hr4013 that offers 8.1ft/lbs impact, which is far better than the 2.6ft/lbs from my Bosch. Is this well suited for tile demo over wooden subfloor or should I get a larger demo Hammer and lose drilling capability?

Also, where can I buy refurbished Bosch & makita that is not affiliated with CPO? I haven't come across any alternative dealers.
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Old 12-25-2016, 09:59 AM   #2
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Re: Rotary Hammer Vs. Demo Hammer


Combination drills and chippers are excellent, the only thing you willl appreciate from a demo hammer is the weight balance and longer reach. With combi hammers you need real long chisels to not be hunched right over.

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Old 12-25-2016, 10:05 AM   #3
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Re: Rotary Hammer Vs. Demo Hammer


for refurbished try:

www.tylertool.com

www.acmetools.com
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Old 12-25-2016, 12:07 PM   #4
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Re: Rotary Hammer Vs. Demo Hammer


Is a Bosch @ 6.1ft/lbs or Makita @ 8ft/lbs adequate for my application? Do I need more? My only comparison is my existing unit. It works, but at times is a little slow.

Just not sure if there's a happy medium. Obviously for concrete demo and drilling, more power is always better, but that's will be a rare occasion for me.

I was initially looking at Bosch, but the extra power always catches my attention.
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Old 12-25-2016, 12:28 PM   #5
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Re: Rotary Hammer Vs. Demo Hammer


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Originally Posted by philcav7 View Post
Is a Bosch @ 6.1ft/lbs or Makita @ 8ft/lbs adequate for my application? Do I need more? My only comparison is my existing unit. It works, but at times is a little slow.

Just not sure if there's a happy medium. Obviously for concrete demo and drilling, more power is always better, but that's will be a rare occasion for me.

I was initially looking at Bosch, but the extra power always catches my attention.
Tile and mud beds shouldn't require much power. Heck you could probably get by with an SDS.
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Old 12-25-2016, 02:18 PM   #6
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Re: Rotary Hammer Vs. Demo Hammer


I have a 1" Makita SDS. It tears up tile and mud beds, no problem.
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Old 12-25-2016, 02:23 PM   #7
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Re: Rotary Hammer Vs. Demo Hammer


They make extension rods and couplers so you can stand while breaking out tile.
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Old 12-25-2016, 02:54 PM   #8
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Re: Rotary Hammer Vs. Demo Hammer


I like the old style Milwaukee 5347...can't get them like this anymore except when they pop up on Ebay.

These things hit hard and won't die except for brushes every ten years or so...

http://www.ebay.com/itm/MILWAUKEE-HE...3D271061091889

It'll core up to 6" and SDS adapter works with smaller drill bits. It is spline drive however which I tend to favor anyway.
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Old 12-25-2016, 03:15 PM   #9
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Re: Rotary Hammer Vs. Demo Hammer


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Originally Posted by superseal View Post
I like the old style Milwaukee 5347...can't get them like this anymore except when they pop up on Ebay.

These things hit hard and won't die except for brushes every ten years or so...

http://www.ebay.com/itm/MILWAUKEE-HE...3D271061091889

It'll core up to 6" and SDS adapter works with smaller drill bits. It is spline drive however which I tend to favor anyway.
From the names labeled on the pictures , you must work for a lot of Italians!

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Old 12-26-2016, 12:23 AM   #10
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Re: Rotary Hammer Vs. Demo Hammer


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Originally Posted by Tinstaafl View Post
I have a 1" Makita SDS. It tears up tile and mud beds, no problem.
My 1 1/8" does well too, but don't know how much easier a larger will make it.

I think I will save $200 and get the Bosch 6.1ft/lbs unit which is far greater than my 2.6. The money I save will go to the CT36 fund. If I feel it's not enough, I will return it and get the makita.
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Old 12-26-2016, 04:32 AM   #11
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Re: Rotary Hammer Vs. Demo Hammer


For tile I use the Bosch Bulldogs. The extreme Max has outstanding vibration control. I use them almost exclusively I have several sds Max hammers that do not get used much anymore. I do saw grout joints on concrete and cut through mud bed and CBU assembly's and pull them as tile sized sandwiches. This seems to be the overall fastest/cleanest method for us.
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Old 12-26-2016, 12:26 PM   #12
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Re: Rotary Hammer Vs. Demo Hammer


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For tile I use the Bosch Bulldogs. The extreme Max has outstanding vibration control. I use them almost exclusively I have several sds Max hammers that do not get used much anymore. I do saw grout joints on concrete and cut through mud bed and CBU assembly's and pull them as tile sized sandwiches. This seems to be the overall fastest/cleanest method for us.
What do you do for dust management when cutting the grout/mud?
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Old 12-26-2016, 12:55 PM   #13
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Re: Rotary Hammer Vs. Demo Hammer



Duct tape (working on a leather one) I hook
them to an Ermator S26
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Old 12-26-2016, 03:02 PM   #14
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Re: Rotary Hammer Vs. Demo Hammer


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Originally Posted by charimon View Post
https://www.youtube.com/watch?v=pz2-us9O0U4

Duct tape (working on a leather one) I hook
them to an Ermator S26
That's great! When I did that same thing the dust cloud was huge. I think the neighbors hated us. Why not just use a grinder with a dust shroud and dust port for a vac? They even have tables on them.
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Old 12-26-2016, 11:11 PM   #15
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Re: Rotary Hammer Vs. Demo Hammer


Quote:
Originally Posted by superseal View Post
I like the old style Milwaukee 5347...can't get them like this anymore except when they pop up on Ebay.

These things hit hard and won't die except for brushes every ten years or so...

http://www.ebay.com/itm/MILWAUKEE-HE...3D271061091889

It'll core up to 6" and SDS adapter works with smaller drill bits. It is spline drive however which I tend to favor anyway.
i own milwaukee model 5352 . called 1 1/8" machine i believe . your comments on your machine really grabbed my attention .I found the chipping feature to be severely lacking and drilling much over 7/8" out of it's range . I am wondering if I under estimate it's ability . I rented a bigger mahine to run 4" core .could not imagine it handling much more then a 2" core . I have never tried to take up tile with it .
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Old 12-26-2016, 11:16 PM   #16
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Re: Rotary Hammer Vs. Demo Hammer


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Originally Posted by JFM constr View Post
i own milwaukee model 5352 . called 1 1/8" machine i believe . your comments on your machine really grabbed my attention .I found the chipping feature to be severely lacking and drilling much over 7/8" out of it's range . I am wondering if I under estimate it's ability . I rented a bigger mahine to run 4" core .could not imagine it handling much more then a 2" core . I have never tried to take up tile with it .
The size rating is the max recommend, the optimal size is always less. Hammer core bits of any size suck rocks.
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Old 12-26-2016, 11:50 PM   #17
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Re: Rotary Hammer Vs. Demo Hammer


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Originally Posted by charimon View Post
For tile I use the Bosch Bulldogs. The extreme Max has outstanding vibration control. I use them almost exclusively I have several sds Max hammers that do not get used much anymore. I do saw grout joints on concrete and cut through mud bed and CBU assembly's and pull them as tile sized sandwiches. This seems to be the overall fastest/cleanest method for us.
I have four...love the Bulldogs.
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Old 12-30-2016, 05:42 PM   #18
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Re: Rotary Hammer Vs. Demo Hammer


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That's great! When I did that same thing the dust cloud was huge. I think the neighbors hated us. Why not just use a grinder with a dust shroud and dust port for a vac? They even have tables on them.
for cutting up a floor this is more ergonomic than a grinder based platform. It is easier to push the saw, If that makes sense. The worm/hypoids seem to take the hard intermittent use well. This saw was purchased in 2013 and seems to be running fine.

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