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Forums: Climbing Information: General: Re: [russianfront] Drill question: Edit Log




USnavy


Feb 2, 2010, 2:11 AM

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Registered: Nov 6, 2007
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Re: [russianfront] Drill question
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russianfront wrote:
OK I will take it back. Not one person who posted a reply thought that the drill I bought would work. I'm thinking of trading it in for this one:

Makita BHR202 18-Volt LXT Lithium-Ion Cordless 7/8-Inch SDS-Plus Rotary Hammer Kit

I have a friend with this drill and have watched him drill with it. Not the BEST of course but works pretty good. It is SDS.

Which matters most - volts, lbs feet of torque or something else?

And I assume that "hammer mode" is different than "rotary hammer mode". The cheap drill I bought has a hammer and a drill srtting. The more expensive SDS drill above has a setting where it shows the "hammer and drill" at the same setting...I assume this is hammerdrill mode meaning it is bashing the rock as it twists the bit?
Impact energy defines how fast you can drill a hole and that specification matters most. My drill has 2.2 ft./ lbs of impact energy and it will drill a 1/2" x 3.5" hole in hard basalt in under 20 seconds. So you can use that as a reference.

Oh and you would be better off getting the Bosch 11536C. It costs less then the drill you listed and its 36v with a higher impact energy rating and a battery 2x the size. Not to mention Bosch invented SDS and their drills are superior to the brand you listed.


(This post was edited by USnavy on Feb 2, 2010, 2:16 AM)



Edit Log:
Post edited by USnavy () on Feb 2, 2010, 2:15 AM
Post edited by USnavy () on Feb 2, 2010, 2:16 AM


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