[rollei_list] Re: OT: Walmart
- From: Eric Goldstein <egoldste@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Tue, 27 Jul 2010 14:55:14 -0400
Apple and other computer products sometimes use Torx screws... I have a set
of drivers.
Eric Goldstein
--
On Tue, Jul 27, 2010 at 2:36 PM, Richard Knoppow <dickburk@xxxxxxxxxxxxx>wrote:
>
> ----- Original Message ----- From: "Marc James Small" <
> marcsmall@xxxxxxxxxxx>
> To: <rollei_list@xxxxxxxxxxxxx>
> Sent: Tuesday, July 27, 2010 6:33 AM
> Subject: [rollei_list] Re: OT: Walmart
>
>
> At 04:31 AM 7/27/2010, Richard Knoppow wrote:
>
> I tried several hardware stores including two "last resort" stores,
> Virgil's in Glendale and Berg in Pasadena, no go. I also tried a couple of
> auto supply houses, same thing.
> Bristol or spline heads seem to be used mostly on set-screws. I think the
> main advantage of Bristol over Allen head is that they don't cam out so the
> screws can be tightened more without damaging either screw or wrench, they
> have a much more positive fit.
> There are some other odd patterns used such as "star" heads and others, I
> think there are even Torx set-screws. Tektronix is fond of Torx screws and
> uses them all over on their equipment. Torx heads also have an anti-caming
> feature and are suitable for use on automatic or power operated tools. The
> same for Pozi-Drive head screws. Philips heads are designed to cam out to
> limit torque but Pozi-Drive won't cam out and again are suitable for use
> with power operated tools.
> There are so many types of drive methods that its hard to have tools for
> all and some are relatively rare (Reed and Prince screws for instance). And
> then one must have both English and Metric.
>
> --
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
> ---
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