Bridgport Nut

[Bob AstillParticipant @bobastill76884]

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

[Bob AstillParticipant @bobastill76884]

Nut for Slotter

[JasonBModerator @jasonb]

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

[Clive FosterParticipant @clivefoster55965]

Jason has it. 7/8 UNF.

[Anonymous]

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 AstillParticipant @bobastill76884]

i think i have a 78 unf tap i will do a test piece thank you for all the quick replys

Bob

[Anonymous]

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 2Participant @ianskeldon2]

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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