DIYbanter - View Single Post

wrote:
Hi
i need a data sheet 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