[time-nuts] FE 5680A Warning Rivet / Screw

Robert Atkinson robert8rpi at yahoo.co.uk
Sun Nov 13 05:14:56 EST 2011

Hi Rex,
Those fasteners are both "pop rivets" and screws. They are an advel design of light alloy rivet with an external thread and a hexagonal head on the die. They fasten with standard automatic riveting equipment but can be removed and re-installed with a allen (hex) key. They work very well.

Robert G8RPI.

From: Rex <rexa at sonic.net>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Saturday, 12 November 2011, 21:58
Subject: Re: [time-nuts] FE 5680A Warning

On 11/12/2011 9:46 AM, Don Latham wrote:
> I just bought a couple of 5680A's that have the same FEI p/n. They are
> pop-riveted to a heavy double-sided board., obviously cut off from a
> longer board.

I think those pop-rivets are actually screws with a small hex socket in the center. That's what was mounting one I got several years ago.

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