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Bridgport Nut

Nut for Slotter

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Bob Astill18/07/2018 13:59:40
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114 forum posts
20 photos

Hi all i have a bridgeport slotting head the main shaft bolt is there that holds it to the machine but no nut i am gouing to make one as a serch of google has brought nothing my question is the thread is 0.872 and 14 tpi does anyone know if it is unc or BSF etc?

Regards Bob

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JasonB18/07/2018 14:05:28
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25215 forum posts
3105 photos
1 articles

Probably 7/8" UNF but i'm sure an owner will confirm

Clive Foster18/07/2018 14:17:07
3630 forum posts
128 photos

Jason has it. 7/8 UNF.

Andrew Johnston18/07/2018 14:19:23
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7061 forum posts
719 photos

Don't have time to check mine with a tap at the moment, but if it's 14tpi it'll be 7/8" UNF as 7/8" BSF is 11tpi.

Andrew

Bob Astill18/07/2018 14:51:36
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114 forum posts
20 photos

i think i have a 7\8 unf tap i will do a test piece thank you for all the quick replys

Bob

Andrew Johnston18/07/2018 14:52:33
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7061 forum posts
719 photos

Just had a closer look at mine. It's not a nut as such. More of a threaded bush that fits in the yoke and is stopped from rotating by a dowel in the smaller hole shown.

Andrew

Ian Skeldon 218/07/2018 14:55:15
543 forum posts
54 photos

Sorry Bob, I can't help at all as I haven't got a clue, but I am dead impressed with how many useful replies you got so quickly, best forum on tinterweb.

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