[Shop-talk] Air Impact Wrenches - how much torque?

[old dirtbeard]

Hi Scott,

I have the same model and am 100% happy with it. Like you, I would replace
it with the same or updated model. The new model designations are cheaper
and more powerful, so I assume they are Chinese-build...

On Sun, Oct 7, 2018 at 1:45 PM old dirtbeard <dirtbeard at gmail.com> wrote:

> HI Brian,
>
> I know it is more that you want to spend, but I have a IR Titanium--very
> light and very powerful:
>
> https://www.amazon.com/s/ref=bl_dp_s_web_0?ie=UTF8&search-alias=aps&field-keywords=Ingersoll+Rand
>
> You can dial it back so that it will not over-power anything.
>
> Your compressor will be fine as you will be running off the tank, not the
> pump, unless you run the tank pressure to below 80 psi, or whatever you set
> your regulator to.
>
>
> On Sun, Oct 7, 2018 at 12:46 PM Brian Kemp <bk13 at earthlink.net> wrote:
>
>> I'm shopping for a new air impact wrench and wondered how much torque I
>> might need.  I'm replacing a Harbor Freight one that claims 250 ft-lbs,
>> but can't break hand torqued wheel lugs.  If I need to undo a TR6 crank
>> bolt again, I'll borrow a bigger impact wrench or just use a breaker bar
>> like last time.
>>
>> The primary use will be wheel lugs.  Occasional use will be brake jobs
>> and related car work.
>>
>> Per the sticker on the compressor specs are 5.5 SCFM at 90psi, 5HP, 26
>> gal, 135psi max.  This is Husky Pro about 15 years old, so I recognize
>> the HP rating is likely optimistic.  The motor requirement is 15A @
>> 120V, which would indicate a more realistic HP rating in the 2HP range.
>>
>> I'm not after continuous duty.  At most, it would be 5 wheel lugs then a
>> break.
>>
>> I'm thinking the 1000 ft-lb models are overkill and could potentially do
>> damage snapping an old TR6 or GT6 bolt.  I'd rather have the tool not
>> take off the nut/bolt than snap it.
>>
>> The new Husky ones at Home Depot look nice, but I don't see any feedback
>> on the 800 ft-lb model and only one on the 650 ft-lb model.  If I do go
>> bigger, Lowes has a nice 1000 ft-lb model with a 95% recommended rating.
>>
>> Any feedback is appreciated.  Since this isn't really necessary, I'm
>> looking at about the $100 range.
>>
>> Thanks,
>>
>> Brian
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