Need screw thread pitch for a Parker Hale PH5b windage screw

[fjruple]

Have you LOST the screw or have you broken the part off that attaches to the thumb wheel part? That's generally the part that snaps off when the rifle falls down and that can be an easy fix............

Peter--

I have the screw but as you stated the windage knob broke off and is missing. I was having trouble determining the thread pitch so I can get an easy replacement to work with. In the end run I will probably have to machine a new windage screw. I have a friend that has a micro-lathe for making small parts and he can chase down the thread to duplicate the windage screw. The micro-lathe he has is interesting in that it belong to a model train company that built electric toy trains under the American Flyer brand name.

Many thanks for your help. Cheers

--fjruple

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[browningautorifle]

I was having trouble determining the thread pitch

Do you not have a thread pitch gauge? A good one should have all the applicable threads? Even strange ones?