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Author Topic: Coarse or fine tap and die?  (Read 8417 times)

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Re: Coarse or fine tap and die?
« on: September 01, 2024, 07:13:53 am »
There is also the British BA threads which are excellent for model engineering.

and I believe The British Model Engineer Thread is based on the Whitworth thread with a pitch of 32 and 40 TPI.

Their heads are reduced in size which makes for better scaling.
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