[s-cars] NAC - Impact Wrench Question

[Matthew Russell]

Yeah, except when it comes to any other kind of "impact".... tech at 
work with the 14.4 3/8 impact had it fall over (not off) his box, and 
the handle separated itself from the main body.  can you say cheap 
plastic?  He's hoping for warranty coverage.

..and how many times have I knocked my Makita over?

Calvin: remember that it takes MORE torque to loosen a fastener than to 
tighten one.  Also, these manufacturers probably get their claims from 
running unrounded, well lubricated, brand new fasteners with fresh 
batteries... then they add a few pounds....

-Matt, CO
92 s4



On Friday, March 24, 2006, at 03:18  AM, Pizzo wrote:
> IR, IR, IR.
>
> GOOD stuff.
>
> On 3/23/06, calvinlc at earthlink.net <calvinlc at earthlink.net> wrote:
>>
>> On the topic, I have no idea where impact wrench manufacturers come up
>> with
>> their torque figures.  I run a "350 lb-ft" gun at 120 psi and have 
>> never
>> gotten anything over 150 ft-lbs off.  I have tried numerous brands 
>> and the
>> only one that even comes close is MAC.  Anybody ever tightened a bolt 
>> with
>> an impact wrench that says 300 ft-lbs and measured removal torque to 
>> see
>> how
>> close it really comes.
>> --Calvin
>>