[Steam-engine] Canopy Stud Mount

[JEFF LUND]

Paul
This may be part of the older "V" thread system.  That
was before the national system of 1921.  If you go the
the MSC catalog    <www.mscdirect.com>   You will be
able to order a tap over the phone from them.   They
carry alot of specialized taps.


Jeff Lund 
Lund Machine Works
New Ulm, MN
--- HISTMACHRY at aol.com wrote:

> Paul,
> 
> Why not machine a stud, 11/16" x 11 thd for the
> boiler, and thread the other 
> end with a 5/8" x 11 thd as long as required. I have
> done this many times with 
> taper 12 thread boiler studs. As the diameter
> difference of the two threads 
> becomes greater I just use a liberal radius as the
> transition of the two 
> diameters. 
> 
> Robert
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