[modeleng] Re: Allen heads

Hi to all,
While on the subject of fixings,Does anyone know when TorX started to be used.

there seems more and more way of bolting and screwing and the head shapes are 
always changing, all electrical goods coming in from the far east with that 
screw we don't seem to have a tool to undo it so that we can repair it(built in 
obsolesance!!!)

yours John Burridge


> Message Received: Jan 22 2007, 02:59 PM
> From: "Bede McCormack" <bede@xxxxxxx>
> To: modeleng@xxxxxxxxxxxxx
> Cc: 
> Subject: [modeleng] Re: Allen heads
> 
> There's a book, 'One Good Turn' by Witold Rybczynski about the history 
> of the screw, it might mention it there too, but the wikipedia ref 
> seems reliable enough.
> 
> Bede in finally-cold Brooklyn.
> 
> On Jan 21, 2007, at 11:27 PM, Jerry Kimberlin wrote:
> 
> > Alan Stepney wrote:
> >> Does anyone know when Allen head screws were invented?
> > 1926??     http://en.wikipedia.org/wiki/Allen_wrench
> >
> > JerryK
> > MODEL ENGINEERING DISCUSSION LIST.
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