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Subject: Re: [Homebrew_PCBs] Harwin pins ( was Re: Ferric chloride?

From: Hans Wedemeyer <hans@...>
Date: 2002-10-30

Dave,
Try this
http://www.harwin.com/search/db_paging_1.asp
If that does not work, search for the part number T1558-01
Not much data one line. T1558-01 packs of 2500 pins.

Hans Wedemeyer



Dave Mucha wrote:

> Hi Hans,
>
> Thanks for the data.
>
> I searched the Harwin site and could not find any data on ID of the
> pins.
>
> anyone have any other data ?
>
> Seems like a simple answer to thru hole plating.
>
> Dave
>
>
> --- In Homebrew_PCBs@y..., Hans Wedemeyer <hans@c...> wrote:
> > Brian,
> > I use Harwin pins when I have space. They require a 0.035" hole and
> must
> > be riveted for reliable connections. I understand some people don't
> > bother with riveting ! There is a special dispenser for the pins,
> I've
> > never seen it, and can't be bothered to get one, I simply push the
> rod
> > in and bend it, that leaves the pin jammed in place ready to rivet.
> > The pins are shown here
> > http://hans-w.com/harwin_pins.jpg
> > I buy them from AXIS ELECTRONICS INC. 301-840-9640 in packets of
> 2500
> > Harwin part # T1558-01
> > Cost... well I can't remember the exact $ figure but $35-45
> including
> > freight sounds about right.
> > I rivet them with a modified automatic center punch shown here
> > http://hans-w.com/punch.jpg
> >
> > When I need a really small via, I drill 0.016" and insert a tinned
> > copper wire and rivet with these modified pliers shown here
> > http://hans-w.com/modified_pliers.jpg
> > As you can see the extra clearance allow deeper access fro the edge
> of
> > the PCB. Copper wire is so soft one squeeze and it's in place.
> > Hans Wedemeyer
> >
> >
> > Brian Schmalz wrote:
> >
> > > Hans,
> > > Can you describe more about your Harwin Via Pins? I'm very
> > > interested.
> > > Where did you get them, how much do they cost, what size holes do
> you
> > > drill,
> > > how do you apply them, etc. Your board looks very nice!
> > >
> > > ∗Brian
> > >
> > > -----Original Message-----
> > > From: Hans Wedemeyer [mailto:hans@c...]
> > > Sent: Friday, October 18, 2002 5:00 PM
> > > To: Homebrew_PCBs@y...
> > > Subject: Re: [Homebrew_PCBs] Ferric chloride?
> > >
> > >
> > > COS (change of subject) for those interested I posted a photo of
> how I
> > >
> > > rivet Harwin via pins
> > > http://hans-w.com/pcb_harwin_rivets.jpg
> > > <http://hans-w.com/pcb_harwin_rivets.jpg>
> > > The four pads at the lower right are half of an SO8, should help
> to
> > > gauge size.
> > >
> > > Hans Wedemeyer
> > >
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
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