[dsg-hallb_rich] [EXTERNAL] Nuts

[Marco Contalbrigo]

Just for completeness,
we look for plastic version but we did not find
anything suitable. For example 98886A826 seems
to have a ridiculous cost.
Ciao, Marco.

On Tue, 15 Mar 2022, Tyler Lemon wrote:

> I found these also on McMaster
> 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.mcmaster.com_93935A320_&d=DwID-g&c=CJqEzB1piLOyyvZjb8YUQw&r=Ry65GV1L9CI4W-wouYF1Yh0O9PuhLc4ZWUkBi_Op2h8&m=xePtNMfMmOfpQ-MXRwmqQ2HfyAEyarlyq_bZtav2YYQiQN_5htO5GQOny32mJQwC&s=W3uByy__JEmhSp6qouSF5GfEkB2MI79q5zAbfQC1ul8&e= 
> 
> They?re for M3x0.5 threads and are 1.8mm tall. 
> 
> The nuts will be silver metallic, though. 
> 
> _____________________________________________________________________________________________________________________________________________
> From: Marco Contalbrigo <mcontalb at fe.infn.it>
> Sent: Tuesday, March 15, 2022 6:12:42 PM
> To: Tyler Lemon <tlemon at jlab.org>
> Cc: Marc Mcmullen <mcmullen at jlab.org>; dsg-hallb_rich at jlab.org <dsg-hallb_rich at jlab.org>; Tomassini Sandro <sandro.tomassini at lnf.infn.it>;
> Dario Orecchini <dario.orecchini at googlemail.com>
> Subject: Re: [EXTERNAL] Nuts  
> Ciao Tyler,
> thank you for the prompt reply.
> Ideally we look for M3 nuts, 1.8 mm thickness.
> Marco.
> 
> On Tue, 15 Mar 2022, Tyler Lemon wrote:
> 
> > Hi Marco,
> >
> > Those nuts from McMaster Carr have a six week lead time. 
> >
> > Is the main specification that the nuts be for M3 screws and are ~2mm thick?
> >
> >____________________________________________________________________________________________________________________________________________
> _
> > From: Marco Contalbrigo <mcontalb at fe.infn.it>
> > Sent: Tuesday, March 15, 2022 6:05:17 PM
> > To: Tyler Lemon <tlemon at jlab.org>; Marc Mcmullen <mcmullen at jlab.org>
> > Cc: Tomassini Sandro <sandro.tomassini at lnf.infn.it>; Dario Orecchini <dario.orecchini at googlemail.com>
> > Subject: [EXTERNAL] Nuts  
> > Dear Tyler and Marc,
> > we would urgently need thin (<2 mm) nuts to fit
> > the electronic board stack into the RICH panel.
> > With the one available in EEL125 (2.5 mm) the
> > connector mating is not good.
> >
> > We would need 1500 pieces.
> > We found a possible model at McMASTER-CARR:
> > 90370A203       $5.71 for a pack of 100.
> >
> > Others seem to be much more expensive. I cc
> > Sandro and Dario for possible comments.
> > Thanks, Marco.
> >
> >
> >
> >
> 
>