7/16 B S B Thread

7/16 B S B Thread

This topic has 7 replies, 4 voices, and was last updated 8 March 2022 at 18:38 by Former Member.

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8 March 2022 at 12:27 #11141
Former Member
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@formermember12892
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8 March 2022 at 12:27 #588743
Former Member
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@formermember12892
[This posting has been removed]
8 March 2022 at 13:10 #588748
RobCox
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@robcox
British Standard Brass is used for brass tubing, gas fittings and general brass work (quoting from machinery's handbook here).

It will be 26TPI, Whitworth form. Easy enough to make on the lathe if you've got the wherewithal. Whether you can find one off the shelf that easily is another matter.
8 March 2022 at 13:20 #588750
Mick B1
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@mickb1
Looks like you can get a carbon steel die for 4 quid from Tracy Tools.
8 March 2022 at 13:47 #588753
Former Member
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@formermember12892
[This posting has been removed]
8 March 2022 at 13:57 #588754
DC31k
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@dc31k
If you just need something with a 7/16" x 26 tpi male thread on it to plug a hole, seek out a suitable BSCY (or CEI) fastener. PTFE tape is your friend and the 5 degree thread angle difference helps it to seal better.
8 March 2022 at 17:44 #588784
RobCox
Participant
@robcox
Bill, if it's any use to you, I found this hiding in a piece of brass offcut:

The threads are about 1/2" long, 0.437" OD 26TPI, the flats fit the spanner it's pictured with. If you want it, PM me with an address and I'll drop it in the post.

Rob
8 March 2022 at 18:38 #588791
Former Member
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@formermember12892
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