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ab2reza1360


Jan 13, 2012, 7:56 AM
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Select a cordless hammer drill
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Hi all,
I'm new in this forum and really happy because of some responsible membersSmile
In these days I searched a lot about cordless hammer but i'm confused and can't select one of them.
I'm a rock climber and need a hammer to provide all my needs.
please introduce some models for me(one of the best with low price)
you can check this page too:

http://www.toolsofthetrade.net/industry-news.asp?sectionID=1489&articleID=536620&artnum=6

All advice and info will be much appreciated.

PS: bear in your mind I'm not a professional climber and don't want use this tool all times around a year.


potreroed


Jan 13, 2012, 8:25 AM
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Re: [ab2reza1360] Select a cordless hammer drill [In reply to]
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A lot depends on what you plan to do with this drill. Replace a few anchors? Bolt new routes ground up? Top down? Hilti and Bosch are the best but Panasonic now has a lightweight and inexpensive drill that is getting rave reviews both in Europe and the USA.


sf


Jan 13, 2012, 9:46 AM
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Re: [ab2reza1360] Select a cordless hammer drill [In reply to]
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This hammer drill is great for bolting on lead and long approaches.






(This post was edited by sf on Jan 13, 2012, 10:14 AM)
Attachments: 1288618862358__panasoniccordlessrotaryhammer_10144677.png (63.1 KB)
  leadbolt.jpg (85.2 KB)


USnavy


Jan 14, 2012, 6:00 PM
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I own the 11536 VSR and its a great drill. I have used it to drill 3/4" holes in 15,000 psi basalt before without issue. But as others have said, it depends on what you use it for.


guangzhou


Jan 14, 2012, 7:10 PM
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I own a 36 Volt Bosh and love it. Put in about 3000 bolts so far.

Previously, my Bosh 24 Volt helped me bolt roughly 1000 new routes and to replace some anchors. Guessing 8000 to 10000 BOlts.


jmichael


Jan 14, 2012, 9:34 PM
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I've never drilled rock, but my experience drilling lots of concrete and my experience with some of Dewalt's new stuff I'd seriously take a look into this one. If I was ever in a situation where I could possibly drop a cordless tool, I'd want it to be a dewalt, they take a beating better than anything else I've used.

http://www.dewalt.com/tools/cordless-concrete-sds-rotary-hammers-dch213l2.aspx


tscampbell


Jan 14, 2012, 11:32 PM
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milwaukee v28 would be my best suggestion. i used one as a contractor for several years and it was simply more powerful and longer lasting than many corded drills i've owned. even seen it toss a grown man through a wall when a hole saw snagged on a rough spot. i haven't used it for bolting, but consumer reports said it was dangerous after a 2 day torture test of running full throttle and it caught on fire. enough for me!


Greggle


Jan 15, 2012, 1:33 AM
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ab2reza1360 wrote:
Hi all,
I'm new in this forum and really happy because of some responsible membersSmile
In these days I searched a lot about cordless hammer but i'm confused and can't select one of them.
I'm a rock climber and need a hammer to provide all my needs.
please introduce some models for me(one of the best with low price)
you can check this page too:

http://www.toolsofthetrade.net/industry-news.asp?sectionID=1489&articleID=536620&artnum=6

All advice and info will be much appreciated.

PS: bear in your mind I'm not a professional climber and don't want use this tool all times around a year.

Spam...


coastal_climber


Jan 15, 2012, 4:44 PM
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Re: [potreroed] Select a cordless hammer drill [In reply to]
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NOPE!

Hilti
Makita
bosch
milwalkee
dewalt/black and decker


coastal_climber


Jan 15, 2012, 4:45 PM
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bring on the arguments :D


binrat


Jan 16, 2012, 8:39 AM
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I had a DeWalt 18V for a few years. Worked great on limestone.
http://www.dewalt.com/tools/cordless-concrete-sds-rotary-hammers-dc212ka.aspx


JimTitt


Jan 16, 2012, 11:11 AM
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Well, yes and no!

Iīd dump Hilti off your list, probably the best drilling action but the price and the shit batteries mean most guys leave them in the cellar in the end or donīt buy in the first place.
Makita are good, weīve 2 of these. A big and a small. Iīd buy again.
Bosch-next best.
Metabo- slowest thing ever, Iīve relegated mine to home duties.
DeWalt- Good but generally not as good a deal as Makita.
Panasonic- Well rated by those who own them but limited marketing in Europe.
Milwaukee-no idea, thatīs somewhere in the States isnt it?


coastal_climber


Jan 17, 2012, 6:02 AM
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JimTitt wrote:
Milwaukee-no idea, thatīs somewhere in the States isnt it?

And Canada. Haven't really made a significant dent in the market tho....


mattm


Jan 17, 2012, 10:15 AM
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Pretty sure the OP is spamming the site BUT...

I've had success with the smaller Bosch:
http://www.cpotools.com/...d-demolition-hammers

Not quite as fast as it's big brother but very manageable on the rock. For BIG projects and hard rock I might look at the bigger one...


majid_sabet


Jan 17, 2012, 11:08 AM
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I have a ryobi gasoline operated hammer drill that I like a lot, its about 11 lbs but its the most powerful drill out there. Very hard to find item but defiantly a keeper and its great for drilling in remote area where recharging and lack of power is an issue.


MomentSurf


Jan 20, 2012, 4:39 AM
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Hitachi!!! Under rated!! I never drilled rock, but the 18v Li-Ion lasts forever and goes through concrete/cement with ease! I've had the same drills/saws-all/impact driver/jig saw/circular saw for years now with no problems. They can definitely take a beating, that’s for sure!


shockabuku


Jan 20, 2012, 9:33 AM
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As a general question for anyone with experience to answer:

How does drilling concrete or brick compare to drilling
1. limestone
2. granite
3. basalt
4. sandstone
5. quartzite
6. other rock that you specify?


coastal_climber


Jan 20, 2012, 4:58 PM
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shockabuku wrote:
As a general question for anyone with experience to answer:

How does drilling concrete or brick compare to drilling
1. limestone
2. granite
3. basalt
4. sandstone
5. quartzite
6. other rock that you specify?


I'd say sandstone and limestone are the closest to brick/cement. Although cement gets stronger with age, its kinda hard to say


USnavy


Jan 21, 2012, 1:03 AM
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shockabuku wrote:
As a general question for anyone with experience to answer:

How does drilling concrete or brick compare to drilling
1. limestone
2. granite
3. basalt
4. sandstone
5. quartzite
6. other rock that you specify?
Generally speaking, the greater the compressive strength of the rock, the harder its going to be to drill. They are probably other factors, but compressive strength is one of the key factors. The compressive strength of a specific type of rock often varies greatly from one place to another. We have basalt here that breaks in your hand, and we have basalt that has a compressive strength over 15kpsi. Eric Horst tells me he goes through a drill bit per route when he drills in the infamous hard NRG sandstone. In Red Rocks I wouldent be surprised if you got 200+ holes with one bit, the rock there is so soft. That goes to show that although both the NRG and Red Rocks have sandstone, the stone varies greatly between the two areas.


(This post was edited by USnavy on Jan 21, 2012, 1:12 AM)


gimmeslack


Jan 21, 2012, 5:20 AM
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I'd go for pneumatic. Much more reliable tools than cordless. Then you can put maestri's back up. I believe they didn't clean the compressor?


guangzhou


Jan 21, 2012, 5:20 AM
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shockabuku wrote:
As a general question for anyone with experience to answer:

How does drilling concrete or brick compare to drilling
1. limestone
2. granite
3. basalt
4. sandstone
5. quartzite
6. other rock that you specify?

Hard to compare, while I find Granite to be pretty comparable across the board, it's not true of other rock type. Limestone and sandstone vary greatly for sure. Basalt has pretty wide range too.


shockabuku


Jan 21, 2012, 6:18 AM
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Thanks.

I asked because there were statements about drill performance made above based on use in the construction industry and I was curious how valid they might or might not be.


USnavy


Jan 21, 2012, 7:26 AM
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shockabuku wrote:
Thanks.

I asked because there were statements about drill performance made above based on use in the construction industry and I was curious how valid they might or might not be.
I think they are fairly linear. If one drill rips through concrete faster than another, its likely to rip through stone faster as well.


JimTitt


Jan 21, 2012, 2:30 PM
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shockabuku wrote:
As a general question for anyone with experience to answer:

How does drilling concrete or brick compare to drilling
1. limestone
2. granite
3. basalt
4. sandstone
5. quartzite
6. other rock that you specify?

Like the others said, it hard to give general rule, limestone (which I drill mostly) varies from marble which is probably one of the worst to drill especially for bit wear to the soft orange stuff which is a pleasure and that can be on the same route.
Granite (which I drill a fair bit for test blocks) is generally hardish but shatters well under the bit, the close grained granites are harder to drill though than the coarse ones I reckon.

New bricks are easy, old wet bricks are hard as the dust is really sticky and you need more drill power and so on.

If a drill is a good performer in hard concrete then it should be good in rock, brick performance I wouldnīt really rely on as a judgement unless you are using engineering bricks.

Jim


ab2reza1360


Feb 6, 2012, 10:42 AM
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Thanks all
You are great guys:)

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