Re: BSP Thread data


Thanks Chris,
thread data filed away for posterity!
Pete

"Christopher Tidy" <cdt22NOSPAM@xxxxxxxxxxxxxx> wrote in message
news:4364ECE6.4090102@xxxxxxxxxxxxxxxxx
> Bushy Pete wrote:
> > "Christopher Tidy" <cdt22NOSPAM@xxxxxxxxxxxxxx> wrote in message
> > news:4364C760.1080801@xxxxxxxxxxxxxxxxx
> >
> >>aliasgert@xxxxxxxxx wrote:
> >>
> >>>Hi
> >>>i need a data *** for all BSP threads till 2". i can only find it
> >>>till 1" on the internet. particularly, i need the drill size for 1 1/2"
> >>>BSP.
> >>>
> >>>thanks in advance.
> >>>
> >>>aliT
> >>
> >>The core diameter for a 1 1/2" BSPP thread is 1.7656", according to two
> >>old books I have. If you need any other data just let me know. I have a
> >>table which goes up to 18" BSPP which I could scan for you.
> >>
> >>I thought about putting it on my website once, but never got round to
it.
> >>
> >>Chris
> >>
> >
> >
> > Wouldn't mind that as well, maybe it will just sit in the collection of
old
> > data, as I currently use up to 3" on the farm, but it may be needed one
> > day... What about the drill sizes for 3/4"BSP and 1"BSP?
> >
> > Pete
>
> Here's the best table of BSPP data I have:
>
> http://www.mythic-beasts.com/~cdt22/bspp_data.jpg
>
> It's from "Fowler's Mechanics' and Machinists' Pocket Book 1942". Some
> of the numbers are a bit fuzzy, but you should be able to figure out
> what they are. If not let me know and I'll check the original.
>
> Best wishes,
>
> Chris
>


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