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#1
16-09-13, 00:25
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The real reason for using BSP for that diameter is TPI. Given the diameter, in BSW the nearest size would be about 7 tpi, in BSF it would around 9 tpi, so it makes sense to go to BSP and use a standard pipe diameter which give 14 tpi, much more sensible.
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Richard 1943 Bedford QLD lorry - 1941 BSA WM20 m/cycle - 1943 Daimler Scout Car Mk2 Member of MVT, IMPS, MVG of NSW, KVE and AMVCS KVE President & KVE News Editor 
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#2
16-09-13, 01:14
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Quote:
I use BSP (no extra ' P' required) every day on hydraulic fittings! Anything up to 2" in normal use. JCB, BENFORD/ THWAITS, etc, hell even some Japanese stuff like kobelco and Kubota use them. Most European stuff is metric and Americans like Jic and Orfs (O Ring Faced Seal) and NPT which is close to bsp but differs on pitch slightly! CAT use an inverted cone fitting like jic but with a bsp thread and komatsu the same but with a metric thread!!! Confused?? Welcome to hydraulics, and don't even get started on the FINE and LIGHT threads!!!! 
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BETTER TO BURN OUT THAN FADE AWAY.
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#3
16-09-13, 01:19
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one thousand words
A Canadian made CTL series spindle with a BSP 7/8 - 14 die.
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#4
16-09-13, 01:27
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No argument there Michael !
__________________
Richard 1943 Bedford QLD lorry - 1941 BSA WM20 m/cycle - 1943 Daimler Scout Car Mk2 Member of MVT, IMPS, MVG of NSW, KVE and AMVCS KVE President & KVE News Editor
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#5
16-09-13, 01:44
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You can call it what you like but it is a engineered speced machine cut thread
it could have been any thread 14/16/18 what every but it is still a 7/8 -14 thread machine cut and not with a die just like lots of equipment are built with none standard sizes and threads the BS is the only part that is right 
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#6
16-09-13, 01:48
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$6.98
The things people write to get out of a $6.98 CAD lunch special.
There are no emoticons for someone stirring the pot.
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#7
16-09-13, 03:20
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I have one of those Die's if you need one Ross.
__________________
is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration).
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