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Old 02-22-2010, 07:24 AM   #61
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Quote:
Originally Posted by capslock View Post
....Are cordless impact drivers the same as this "air impact wrench"?........
Air Impact Wrenches are primarily used in industrial or automotive applications e.g. the local tire center to remove and replace lug nuts.

Cordless impact tools come in two versions:


1 Impact Drivers are by far the most common. They are mostly used to drive screws although 1/4" hex shank sockets are also common for use on small bolts up to 7/16".

2) Impact Wrenches are used with 1/2" or 3/8" drive sockets. Because of their extra cost and limited power as compared to Air Impact Wrenches their biggest feature is portability in not having to be tied to a compressor.

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Old 02-22-2010, 08:44 AM   #62
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Originally Posted by PaliBob View Post

Air Impact Wrenches are primarily used in industrial or automotive applications e.g. the local tire center to remove and replace lug nuts.

Cordless impact tools come in two versions:


1 Impact Drivers are by far the most common. They are mostly used to drive screws although 1/4" hex shank sockets are also common for use on small bolts up to 7/16".

2) Impact Wrenches are used with 1/2" or 3/8" drive sockets. Because of their extra cost and limited power as compared to Air Impact Wrenches their biggest feature is portability in not having to be tied to a compressor.

.

That is interesting. I have personally never seen the impact wrench -- that seems like a silly tool to buy since for about $2 a piece you can buy adapters to work with sockets for the driver. Seems like the impact driver is a more versatile tool.

Last edited by whataboutj; 02-22-2010 at 09:01 AM.
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Old 02-22-2010, 11:55 AM   #63
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So from my interpretation of your definitions, it sounds like if I had the right socket on my air impact wrench, i can place a bit on it and use it like an impact driver?
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Old 02-22-2010, 11:55 AM   #64
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Originally Posted by whataboutj View Post
.....That is interesting. I have personally never seen the impact wrench ......
Same here, I agree with your why?, but DeWalt must sell them because they have a whole line of cordless Wrenches for 1/2" and for 3/8" sockets on 18V, 14.4V and 12V tools.

Has anybody seen a cordless impact wrench? Any brand?
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Old 02-22-2010, 12:06 PM   #65
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Broadly speaking, I would say we're talking about two worlds -- wood and screws versus cars and bolts/nuts.

I use a 1/2" cordless impact wrench all the time for changing wheels/tires on my race car. I tighten lug nuts to 80 ft/lb, and it often takes more than that to get lug nuts off.

I don't believe these little cordless impact drivers we're looking at here would provide enough torque for this job.

On the other hand, my 1/2" cordless impact wrench is too heavy to make an ideal screwdriver. ( Although for driving screws into the planks of an outdoor deck, it might come in handy with the adapter I pictured.)

The lower-torque impact wrenches in the pictures look like they're just reconfigured impact drivers. I'm sure the appeal to the tool manufacturers is that it's easy and cheap to make them, once you're making the drivers -- and tool completists will feel inclined to buy one... 'because it's there.'

Last edited by Jack Olsen; 02-22-2010 at 12:08 PM.
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Old 02-22-2010, 12:48 PM   #66
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Nice explanation Pali bob+Jack.
Impact drivers are extremely handy for screws/bolts but usually cannot remove lug nuts. Impact drivers are rated in in-lb (typically 800-1400) and Impact wrenches are rated in ft-lb. My DW impact wrench has 300 ft-lb and easily removes over-tightened lugnuts after service techs over do it.
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Old 02-22-2010, 01:04 PM   #67
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Quote:
Originally Posted by capslock View Post
.....if I had the right socket on my air impact wrench, i can place a bit on it and use it like an impact driver?
Impact Drivers and Impact Wrenches are used for different purposes. The difference becomes more pronounced with the difference is between an Air Impact Wrench and a Cordless Driver.

Phillips Driver Bits as an example are available from all over the place from the most rinky dink Hardware Store, through the Big Box stores, to hundreds of Internet vendors.
An Example:
(note they are sold in quantities of 10 & come as #1 or #2))
http://www.woodcraft.com/Family/2020...iver-Bits.aspx

Phillips Driver bits for 1/2" drives are used for larger screws
An Example:
(for 1/2" Drive, not impact rated & only for #3 or #4)
http://buy1.snapon.com/catalog/tools...e=snapon-store


The bottom line is that Drivers on used on screws & Wrenches used with sockets.
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Last edited by PaliBob; 02-22-2010 at 01:08 PM.
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Old 02-26-2010, 12:13 AM   #68
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Got a Makita 141 today from CPO. Refurb for $249.00.

WOW!

Just playing around with it, and it is AMAZING!

There are some good deals around for a combo kit with the BDT 141 impact and a hammer drill, and a rebate for a free battery. Already have a Bosch hammer drill, so didn't splurge for the kit.

Was a great surprise how little effort I needed to sink 4 inch screws into old oak studs. Just hold it in place and it beats the screws in. Did not have to apply any pressure to the driver.

Can definitively see this replacing my Porter Cable Drill/Driver. It's a great tool, but now will be used only to drill holes.

To anyone who doesn't have one: BUY ONE! You'll love it.

Might even trade my wife for another one...
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Old 02-26-2010, 12:32 AM   #69
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I used mine for the first time this week. It's the $99 14.4V one that was on special. I'm amazed at how far it can sink screws into the wood. I could never do the same thing with a cordless drill, much less turning screws by hand.

I've got a 2 year old with nothing to climb on, so I took eight 2x4s and a 2x6 and some rope and made him this. I'm not even sure what to call it, other than a thing to climb. It's goofy looking with the curve, but I wanted a test project to work out a few of the ideas I'm thinking about for a back-yard deck I want to build this summer. I also tried to tap into my 'inner two-year-old,' and the curved top seemed like a cool way to lie back and look at the sky.

He likes it.


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Old 02-26-2010, 01:31 AM   #70
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Nice Jack.

Must be nice where you are.

I'm in Pittsburgh.

Right now it's 25* F and looking for 4-8 inches of snow over night and tomorrow.

Have had over 40 inches this month, set a record.

But I'm on vacation 'til March 3. Tearing out plaster and lath walls. Giving the lath away on craiglslist and rented a dumpster for the plaster.

The impact driver is the new tool to have as far as I'm concerned. Next generation should have hammer and impact at the same time. You'd only have to point the thing and it would complete the project for you.
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Old 02-26-2010, 02:47 AM   #71
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Quote:
Originally Posted by itin1200 View Post
......Right now it's 25* F and looking for 4-8 inches of snow over night and tomorrow.

Have had over 40 inches this month, set a record......


I forget what it must be like. I was born in Akron Ohio and now live on Akron St, but I am now in the LA city limits. Now I complain when the daytime temp does not climb out of the low 60's. The nights though are genuinely frigid, dipping down in the 50's. Everyone in California knows that 50 is freezing.

Jack, You get five stars for your project and five for the paint job and curved top.I'd like to hear what Scuba thinks.

You ought to take some more pics and post it over on the "Project Showcase"
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Old 02-27-2010, 11:41 AM   #72
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50 that would be paradise. Maybe in a couple of months.

Jack likes curves, he posted some pictures of a work bench he welded up with curves on the garage forum. To me it looked way to nice to use for a work bench.
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Old 03-15-2010, 10:04 PM   #73
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I was wondering if its a good idea to use an impact driver with a dimpler to run drywall screws into drywall? I like my Dewalt impact drivers size but wasnt sure if using it for this purpose is acceptable/adviseable?
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Old 03-15-2010, 10:17 PM   #74
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I was wondering if its a good idea to use an impact driver with a dimpler to run drywall screws into drywall? I like my Dewalt impact drivers size but wasnt sure if using it for this purpose is acceptable/adviseable?
I dont see why not, its lighter and smaller than your drill. It works much the same way. The dimpler will stop the over tightening of the screw. Go for it!

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