[NTLK] Fw: another SER-001 installation report

From: PCBman (pcbman_at_ix.netcom.com)
Date: Tue Aug 21 2001 - 21:46:31 EDT


Other people are asking what 'countersink' means so...

----- Original Message -----
From: PCBman <pcbman_at_ix.netcom.com>
To: Laurent Daudelin <laurent_daudelin_at_fanniemae.com>
Sent: Tuesday, August 21, 2001 3:10 PM
Subject: Re: [NTLK] another SER-001 installation report

> Laurent:
>
> > Sorry, English is not my native language, but what is a "countersink"?
>
> When you 'countersink' a hole, it means that a tapered cutter is run in
> the hole to remove material so that the screw head, which is also tapered,
> will fit flush with the board surface:
>
>
> _____ _____
> \ /
> \ /
> | |
>
>
> Hope this crude picture helps you to understand.
>
> Regards,
>
> David Humphreys
>

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