Yes and bits are cheap, use new Phillips bits regularly.
Once the screwdriver is damaged it will destroy all the
screw slots afterward.

If the screws have paint in the slot, clean it out before
you try to unscrew the fastener.

--
James H. Macklin
ATP,CFI,A&P

--
The people think the Constitution protects their rights;
But government sees it as an obstacle to be overcome.
some support
http://www.usdoj.gov/olc/secondamendment2.htm
See http://www.fija.org/ more about your rights and duties.



wrote in message
oups.com...
| You know what? I've been through this one so many times,
but it's been
| a few years, and I just don't have the energy to fight
this fight
| again.
|
| There is NO "torque-limiting" power screwdriver-type tool
that has both
| the ability to prevent over-tightening, and allow
sufficient "torque"
| to be applied to screws installed into aircraft nutplates.
|
| A slightly boogered screw or nutplate will NOT be
tightened
| sufficiently, or else other screws will be
over-tightened-there is NO
| middle ground.
|
| In most cases, a quality torque-limiting screwdriver set
at minimal
| torque can be used by an experienced operator to run
screws and
| initially secure panels. The final "ginch" needs to be
performed by a
| human that knows what the **** he/she is doing.
|
| There is a large portion of the "certified technician"
population that
| isn't smart enuff to use the proper bit for the type of
screw to be
| r/r'd, let alone to use power to drive it. It's not much
of a stretch
| to say that this applies to owner-performed maintenance
also.
|
| TC
|