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P2R phillips bit -- what is it?

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P2R phillips bit -- what is it? Esther & Fester Bestertester 04-07-2008
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Posted by Mike O. on April 7, 2008, 10:24 pm
I found a link that referred to them as "Phillips Reduced". Found about 800
hits on that phrase. Looks like a thinner version of Phillips. Not sure
where you would use them, though.

Mike O.

> Found these among my 1/4-inch driver bits. Tried to use them for #2
> phillips
> screws and snapped off a couple.
>
> What are these for?
>
> Thanks,
> FBt
>


Posted by Roscoe P Pendoscoe on April 8, 2008, 8:16 am
On Mon, 7 Apr 2008 07:45:23 -0700, Esther & Fester Bestertester

>Found these among my 1/4-inch driver bits. Tried to use them for #2 phillips
>screws and snapped off a couple.
>
>What are these for?
>
>Thanks,
>FBt

You were not specific. Snapped off what, the screws or the bits?

If you snapped off either I would have to guess your torque setting is
set too high for the strength of the screw. The bits typically are
hardened. Should be set to stop when screw head has reached flush with
the material you are attaching or just below if it's drywall.

Regards





Knowledge is like money, the less you talk about it
the more people assume you have.

Posted by DanG on April 8, 2008, 9:30 pm
The main company involved in replaceable screwdriver tips is Apex.

Apex is owned by Cooper industries.

Quotation from their site:
Apex offers a choice of three heat treat hardness levels in many
of our screwdriver bits to match the application. These heat
treats are specified by a letter suffix as follows:
X - Hardest heat treat in the industry
I - Intermediate hardness
R - Lowest hardness
Our experienced staff can help in selecting the best heat treat
for your particular application.
Apex bits & sockets last ten longer than most of our competition.

If you really want to know more:
http://www.cooperpowertools.com/catalog_pdf/index.cfm?parent1=10

--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net



> Found these among my 1/4-inch driver bits. Tried to use them for
> #2 phillips
> screws and snapped off a couple.
>
> What are these for?
>
> Thanks,
> FBt
>



Posted by Esther & Fester Bestertester on April 9, 2008, 12:56 am
> http://www.cooperpowertools.com/catalog_pdf/index.cfm?parent1=10

According to this reference, the bits I've been snapping off are the
small-diameter "limited clearance" phillips bits. They are smaller diameter
apparently for no reason other than to allow access in restricted spaces.

Now I know...

Thanks, DanG!

Ain't USENET great?! (Chinese spam, 2-party bickering, and "Google Is The
Answer" 'bots, notwithstanding...)

FBt


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