[modeleng] Re: Mystery thread

  • From: Jerry Kimberlin <kimberln@xxxxxxxxxxx>
  • To: modeleng@xxxxxxxxxxxxx
  • Date: Tue, 20 Nov 2007 21:25:56 -0800

Harry Wade wrote:
> I am presently converting a 14" Rockwell wood bandsaw for metal cutting and I 
> need to match the thread of a grubscrew (missing) for a David Brown reduction 
> gearbox, which I assume was made in the UK.  The screw diameter measures 
> .216" and the pitch is between a 24 and 28tpi but it is neither a 24 nor 28.  
> The .216" is dead-on for a US #12 machine screw but it isn't that.  Anyone 
> have an idea what this thread might be?
>   

5.5 x 0.9?  Taps are available at:  
http://www.victornet.com/cgi-bin/victor/alphabetical.html

JerryK
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