Screwheads, was: 5" floppy?.

[Chuck Guzis]

On 1 Dec 2008 at 10:48, Paul Koning wrote:

> Correct screwdrivers can be found in one of two ways, depending on the
> size you need.  For the small sizes, get watchmaker screwdrivers.  For
> larger sizes, get gunsmith screwdrivers.  Both have hardened tips,
> hollow ground so the point that fits in the slot of the screw has
> parallel sides, not tapered sides.  With those you can work those screws
> without damaging them, even if they are quite tight.

Another way to find larger HG sizes is to get a (good) set of power-
drive bits that will fit a screwdriver socket handle.  Although this 
has its problems with getting into tight spaces, sets of hollow-
ground hardened power bits are comparatively easy to find.

Cheers,
Chuck