On 11 Dec, 22:42, "Roger Mills" wrote:
In an earlier contribution to this discussion,


wrote:

By the way, is there such a thing as a general purpose screw or is it
a matter of a different type for each application? Up to now I have
used Screwfix's Quicksilver range. I only really use it for joining
bits of wood or with a wall plug. I'm running a bit low, is there
something better I should stock up with?

If you're using an electric driver, or drill-driver, forget anything with a
Pozidrive-type head - the bit cam out and chew the heads up too easily.
Instead, use screws with T-star (Torx) heads (Seehttp://en.wikipedia.org/wiki/ISO_10664) such as Screwfix 24061. They come in
various diameters (designated in mm rather than conventional screw gauge)
and lengths. You'll need to get a set of Torx bits if you haven't already
got any, but you'll never look back once you've made the change.
--
Cheers,
Roger
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I will counter that suggestion, because what Roger is forgetting is
that few of us have Torx bits whereas we all have cross head bits of
one sort or another, so that any future maintainer will be unable to
do these screws he is suggesting you put in.
It's interesting that Screwfix only stock Torx screws in their outdoor
range. And then again are we going to be face with having to change
the Torx bit for each screw size ?

I don't have any problem with cam-out and that is with a selection of
Screwfix cross head screw types because I make sure I use drivers in
good condition, and I use a sensible torque setting on a battery
driver that is not over powerful.

Rob