If you buy a tap, be sure it's a "roll-tap," which (a) doesn't cut the
shavings you'll never get out, and (2) displaces the metal, thereby forming a
better thread in what little sheet metal there is.
Dick
----- Original Message -----
From: "Tony Duell" <ard_at_p850ug1.demon.co.uk>
To: <classiccmp_at_classiccmp.org>
Sent: Tuesday, April 02, 2002 3:03 PM
Subject: Re: Shoddy Hardware (Was: Re: WW fixtures (was Re: "New" PDP-8))
> > If find a peecee screw that is still chewing or "seizing up" touch
> > bit of oil to the thread. Fixed for good.
>
> Running a tap down the threaded hole and a die (correctly adjusted) over
> the screw works wonders as well. Of course it's better to buy good
> quality screws in the first place, but it's not always possible to
> replace the hole (particularly not if it's in a PC case or a disk drive,
> or something.
>
> -tony
>
>
Received on Tue Apr 02 2002 - 22:19:45 BST