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3/8 x 20 tpi UNS taps
Posted by: Peter Turvey (---.as13285.net)
Date: December 12, 2018 03:56PM

Anyone know where I can get hold of 3/8 x 20TPI UNS tsps, this is the thread on the band brake pins on my Stanley 607 and I need to tsp the new brake link to suit. Its the same TPI as 3/8 BSF but on a critical component I would prefer to use the correct thread form.

Thanks

UNS tap
Posted by: Mike L Clark (---.range86-162.btcentralplus.com)
Date: December 13, 2018 03:26PM

Tracy Tools - first port of call for any threading kit.

[www.tracytools.com]

Peter here is the size you want, towards the bottom of the page.

For soft metal like brass, or for just one or two threads in mild steel, carbon steel taps are OK and cheap, but long term, or for stronger steel like En8 or En 16, buy HSS taps and dies.

Mike

Re: UNS tap
Posted by: Peter Turvey (---.as13285.net)
Date: December 19, 2018 11:27AM

Thanks Mike, but unfortunately Tracy Tools do not have these taps and dies in stock.

3/8" X 20 tpi tap
Posted by: SSsssteamer (50.35.54.---)
Date: December 23, 2018 09:50AM

Peter, I buy my 3/8" X 20 tpi taps and dies from Mc Master Carr. Find your tap at: [www.mcmaster.com]



Edited 1 times. Last edit at 12/23/18 09:51AM by SSsssteamer.

Re: 3/8" X 20 tpi tap
Posted by: Peter Turvey (---.as13285.net)
Date: December 28, 2018 12:42PM

Thanks SSsssteamer...managed to get a tap and die from China via ebay in the end for about $8 in the end, should be ok for a one (ot two at most) off job.



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