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chrisb691
19th January 2008, 11:01 PM
My Jet mini has a 1" x 10tpi spindle. Does anyone know if the threadform is UNF?

Thanks

funkychicken
19th January 2008, 11:28 PM
well after looking around I'd say it's not UNF or UNC. But I know didley....

EDIoT: 1 x 10tpi = UNS

wheelinround
20th January 2008, 08:22 AM
Whitworth thread if I'm not mistaken

Gil Jones
20th January 2008, 01:25 PM
Chris,
It is "probably" 1" x 10 tpi BSF RH (British Standard Fine, Right Hand).
UNC, UNF and Metric Threads are a 60° angle
Whitworth, BSW, BSF are a 55° angle.
Check out this Teknatool page, lots of good thread data there.
http://www.teknatool.com/support/How%20to%20Id%20your%20lathe%20thread.htm

chrisb691
20th January 2008, 04:04 PM
Whitworth thread if I'm not mistaken

1" in BSW is 8 tpi :)

chrisb691
20th January 2008, 04:12 PM
Chris,
It is "probably" 1" x 10 tpi BSF RH (British Standard Fine, Right Hand).
UNC, UNF and Metric Threads are a 60° angle
Whitworth, BSW, BSF are a 55° angle.
Check out this Teknatool page, lots of good thread data there.
http://www.teknatool.com/support/How%20to%20Id%20your%20lathe%20thread.htm


Thanks Gil,

I went trawling the thread charts again, and I think you're probably right. Found a useful site with thread info here (http://homepages.tesco.net/~A10bsa/unftop.htm)

Solutions Aust
21st January 2008, 11:20 AM
My Jet mini has a 1" x 10tpi spindle. Does anyone know if the threadform is UNF?

Thanks

Standard 1" x 10 tpi thread form in Australia is BSF.
I can only assume Jet have followed suit, but then again ??

Regards Woodfast Aust:)