1.5 in x 8TPI nose thread (BSF)

1.5 in x 8TPI nose thread (BSF)

This topic has 5 replies, 2 voices, and was last updated 28 February 2022 at 11:40 by Roger Quaintance.

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27 February 2022 at 19:34 #587528
Roger Quaintance
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@rogerquaintance14196
anyone know what lathe that might be? am looking for a a chuck or maybe backplate or cast blank
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27 February 2022 at 19:34 #28604
Roger Quaintance
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@rogerquaintance14196
27 February 2022 at 19:57 #587531
old mart
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@oldmart
Boxford most likely, the Atlas is the same nominal size, but uses unified thread form.
27 February 2022 at 20:39 #587537
Roger Quaintance
Participant
@rogerquaintance14196
thank you, yep I checked the angle so not unified

so next question anyone have a spare backplate gathering rust?
27 February 2022 at 20:56 #587539
old mart
Participant
@oldmart
If you do indeed need a Boxford backplate, they are easy to get from ebay in different diameters for finish machining to fit a chuck. If you can post the exact dimensions, length of thread, overall length to shoulder and the length and diameter of the register, it could be verified by Boxford owners.
28 February 2022 at 11:40 #587578
Roger Quaintance
Participant
@rogerquaintance14196
cheers, it is on a dividing head (myford style) but for my use will probably use the 2 morse taper to hold an arbor
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