View Full Version : Metal Lathes Mini Metal Lathe

Mike Wenman
06-06-2013, 4:28 PM
I'm looking to purchase a a 7" x 12" or 7" x 14" mini metal lathe, brand unknown. Most of them just list threading capabilities of 12 - 52 TPI, but am trying to find out if any of you with one of these has been able to cut 8 TPI? Given that these have a 16T TPI lead screw, mathmatically, change gear setup would need to be: A = 60, B = 40, C = 40 , D = 30. Would like to know if the gears can physically be put on as listed and mesh correctly.


Jerry Marcantel
06-07-2013, 10:01 PM
Mike, this came up today in Green Valley, Arizona, close to Tucson. Do you have any interest????? I know there is no thread cutting avalible, but it looks good for the price....... .............. Jerry (in Tucson)

Posted: 2013-06-07, 11:29AM MST
Pratt & Whitney #3 Metal Lathe - $275 (Green Valley)

http://images.craigslist.org/thumb/3G43t73q95L75F55J6d679fe3912cc3a71848.jpg (http://images.craigslist.org/3G43t73q95L75F55J6d679fe3912cc3a71848.jpg)
Pratt & Whitney #3 Metal Lathe
3 Jaw Chuck
54 Collets - .03 to .495
7 in Face Plate
Live & Dead Centers
Plus Other Accessories
Manual Feed
½ Horse Power Variable Speed Motor
See info at: http://www.lathes.co.uk/pratt%26whitney/

Location: Green Valley
it's NOT ok to contact this poster with services or other commercial interests

Posting ID: 3855727691
Posted: 2013-06-07, 11:29AM MST
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Brian Thornock
06-10-2013, 1:44 PM
If you really have your heart set on it, you could get one and convert it to CNC or CNC/manual and be able to cut literally any thread pitch you want. I have a little lathe that does not do any thread cutting, so I am toying with the idea of getting some stuff together and doing this, as I think it would be fun.

Terry Beadle
06-11-2013, 3:16 PM
I recommend the following lathe and supplier.


Great products and ready to roll out of the box.