[TheForge] Special Screw

Fri Feb 7 10:28:01 2003

If it isn't in the McMaster Carr catalog, you'll have to make your own.
 Clifton Ralph showed a way using a rivet with a square center with two
round ends to put a two leg caliper together. The square section fit the
square hole in the handle part and the round areas went through the
movable legs. That way when you moved one leg the other side won't move.
Bob
----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Thursday, February 06, 2003 10:58 PM
Subject: [TheForge] Special Screw


> Sorry for posting something that is so far off topic.  I am getting
desperate to find
> the types of screws described below.
>
> I remember seeing these screws years ago.  They were often used on
tools such as
> calipers, etc.  As I remember them they had a hex head that was very
low in height
> and the hex was fairly large--maybe 7/16 or so.  They were like a
shoulder screws in
> that they would hold the item together and would have a shoulder that
was large but
> not very long.  Like for a callipers made from two pieces of .050
material the
> shoulder would only be about .100 long.  The threads would be a fine
pitch and the
> nut would have a low height.  They were used with a cup or belleville
washer to
> keep tension on the joint.
>
> I want to make some calipers with various motifs of the "girlie"
design and would
> like  to use these types of screws.  In fact I think it's crucial or
I'd forget the whole
> project.  No, I don't want to make the screws and nuts.
>
> If anyone knows where these screws can be purchased, I would sure like
to know.
> Thanks in advance for your help.
>
> Norm Larson
>
>
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