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2 B.A. (British Association) is 4,7mm
(0.185") o/dia, 0,81mm (0.032") pitch, (or 31.4 tpi), and uses 4,0mm
(0.157") tap drill.
Just fly to the U.K. and buy your taps
anywhere!
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Title: O.T. 2BA tap/threads
- [mfg-smartcam] O.T. 2BA tap/threads John Evans
- RE: [mfg-smartcam] O.T. 2BA tap/threads Bill Payter
- RE: [mfg-smartcam] O.T. 2BA tap/threads Tony Gossett
- RE: [mfg-smartcam] O.T. 2BA tap/threads Donald Gardner
