[Shop-talk] Cordless angle impact drivers

Randall tr3driver at ca.rr.com
Fri Mar 6 06:49:33 MST 2009


> 45 ft-lbs and 1/4-inch drive doesn't seem too useful for car 
> work; 

I dunno, I think that's all my 3/8" air ratchet is rated for; and the vast
majority of fasteners on my cars take that much or less.  Standard torque
for a 3/8"NC Grade 5 is only 35 ft-lb.

But then there is the question of how much it actually delivers under real
world conditions.  My "250 ft lb" impact driver is lucky to muster half that
much.

Randall


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