At 08:55 AM 2/11/99 -0700, you wrote:
>Guy,
>
>You need to get out more. This is way more knowledge than anyone should have
>about threads.
>
>Guy wrote:
>
>> FWIW -
>> BSP threads - British Standard Pipe are the same, size for size as
>> BSTP threads - British Standard Taper Pipe.
>> !/2" BSTP and 1/2" BSP are both 14 tpi and have the same thread depth
>> (0.0457") and face angles (271/2 degs.)
>> The difference is that the BSTP is machined at a 1:16 taper. BSP is a
>> parallel thread.
>> The nominal diameter is measured at a distance from the narrower end equal
>> to the diameter, so a 1/2" plug is one that measures 1/2", 1/2" from the
>> small end.
>>
>> Got that? (gg)
>>
>> Guy
...thanks Guy...as a lover of all things esoteric and minutia in
general...I appreciated your post. Now I know how nominal diameters for
tapers are determined.
Bill & Cindy
Santa Rosa, CA
98 Sea Ray 190 BR
96 Yellow Lab
94 Ford F150 4x4
91 Tioga Montara
72 Midget parts car
69 Sprite driver
Assorted teen-agers
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