So does that mean I can assume that the fasteners in my '79 Midget are all UNF,
and not Whitworth or metric? Or did British Leyland start using metric
fasteners in the late 70's?
Thanks!
-=Chris
Chris King - cbking@alum.rpi.edu
---------- Original Message ----------------------------------
From CNAArndt at aol.com
Date: Sun, 4 Feb 2001 10:08:39 EST
>In a message dated 2/3/01 9:55:50 PM Pacific Standard Time,
>cfchrist@earthlink.net writes:
>
><< most of the standard hardware on my bugeye
> carries the "R" marking on the head of the bolt with a depressed circle in
> the center of the head of the bolt. >>
>
>Hi Charles
>
>The only reason for the depressed circle is the British way to differentiate
>a UNF threaded fastener from a BSF/BSW (Whitworth form) threaded fastener.
>This came about during the mid 50's when the U.K. standardized from Whitworth
>to the Unified Thread Form which is equivalent to SAE.
>
>Curt Arndt
>Carlsbad, CA
>'55 BN1, '60 AN5
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