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    No 4 T parts

    Guys,
    i am looking for the thread form for the No32 scope windage and elevation screws,
    the DIA is 0.187 x 32 threads per inch but 3/16 bsf,2BA will not fit any help please guys or drawing would be great as the originals have been lost from the UKicon pattern room and the Royal armory
    thanks in advance
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    A Collector's View - The SMLE Short Magazine Lee Enfield 1903-1989. It is 300 8.5x11 inch pages with 1,000+ photo’s, most in color, and each book is serial-numbered.  Covering the SMLE from 1903 to the end of production in India in 1989 it looks at how each model differs and manufacturer differences from a collecting point of view along with the major accessories that could be attached to the rifle. For the record this is not a moneymaker, I hope just to break even, eventually, at $80/book plus shipping.  In the USA shipping is $5.00 for media mail.  I will accept PayPal, Zelle, MO and good old checks (and cash if you want to stop by for a tour!).  CLICK BANNER to send me a PM for International pricing and shipping. Manufacturer of various vintage rifle scopes for the 1903 such as our M73G4 (reproduction of the Weaver 330C) and Malcolm 8X Gen II (Unertl reproduction). Several of our scopes are used in the CMP Vintage Sniper competition on top of 1903 rifles. Brian Dick ... BDL Ltd. - Specializing in British and Commonwealth weapons Chuck in Denver ... Buy-Sell-Trade .. Guns, Cars Motorcycles Your source for the finest in High Power Competition Gear. Here at T-bones Shipwrighting we specialise in vintage service rifle: re-barrelling, bedding, repairs, modifications and accurizing. We also provide importation services for firearms, parts and weapons, for both private or commercial businesses.
     

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    Could they be 10-32 UNF?

    BSF threadform is 55 degree angle, BA is 47.5 degrees, and UNF is 60 degrees, which is probably where the issue is.

    Can you get a thread gauge on it to check (accepting that it is probably too small to accurately see what angle it is).

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    Quote Originally Posted by aussiesuperdad View Post
    Guys,
    i am looking for the thread form for the No32 scope windage and elevation screws,
    the DIA is 0.187 x 32 threads per inch but 3/16 bsf,2BA will not fit any help please guys or drawing would be great as the originals have been lost from the UKicon pattern room and the Royal armory
    thanks in advance
    It is a double start thread. ie) there are 2 threads located 180* apart on the threaded shaft.
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    The man's right. I believe it's 3/16" x 16 TPI but as it's a twin start thread it's effectively 32 TPI.

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    There is a dimensioned drawing in a certain little red book on the No.32 scope IIRC.
    “There are invisible rulers who control the destinies of millions. It is not generally realized to what extent the words and actions of our most influential public men are dictated by shrewd persons operating behind the scenes.”

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