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Chris KC Offline
GO 6285
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Joined: Aug 2017 Posts: 3,394 Threads: 106
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Location: Darkest Bedfordshire
#11
24-05-2018, 03:16 PM
Knew I shouldn't have thrown out my Meccano!

Thank you all for your assistance.
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Ken Morton Offline
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#12
24-05-2018, 08:49 PM
5/32 by 32 on mine too
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Chris KC Offline
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Joined: Aug 2017 Posts: 3,394 Threads: 106
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Location: Darkest Bedfordshire
#13
24-05-2018, 08:50 PM
(24-05-2018, 08:49 PM)Ken Morton Wrote: 5/32 by 32 on mine too

Thanks Ken
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David.H Offline
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#14
25-05-2018, 10:51 AM
(24-05-2018, 08:50 PM)Chris KC Wrote:
(24-05-2018, 08:49 PM)Ken Morton Wrote: 5/32 by 32 on mine too

Thanks Ken
5/32 BSW and 3/16BSF are almost identical. Same TPI, same pitch, same thread angle (55degrees)
Thread depth & radius are different ,so if tapping a hole you need a 0.12" hole (#31 drill or 3.1mm) for BSW.
For 3/16BSF a 0.1562 hole (5/32" or3.9mm drill)
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