New member seeking info on my 3 Jaw Chuck


DocHD
 

Hi everyone, I am looking for a Metal Lathe Dog Drive Face Plate for my 1935 SB Lathe. I don't know what the thread size is, so took my 3 Jaw chuck off and took it to a Machine shop to find out what size the connecting threads were. They threaded a Die, into the head and told me it measured 1 5/8-8, I can't find that dim anywhere I tried converting 1 5/8 to mm and still can't find the Drive Face Plate I want. The Picture attached is what I am looking for, I snipped it from the net.  Thank you for your help!
 


Rick
 

What size lathe? Are you sure it isn’t 1 1/2 x 8? Measure the spindle threads  with a caliper.


Andrei
 

1-1/2 - 8 is a standard thread for a lot of lathes. 


From: SouthBendLathe@groups.io <SouthBendLathe@groups.io> on behalf of DocHD via groups.io <hocker333777@...>
Sent: Tuesday, February 14, 2023 7:25:49 PM
To: SouthBendLathe@groups.io <SouthBendLathe@groups.io>
Subject: [SouthBendLathe] New member seeking info on my 3 Jaw Chuck
 
Hi everyone, I am looking for a Metal Lathe Dog Drive Face Plate for my 1935 SB Lathe. I don't know what the thread size is, so took my 3 Jaw chuck off and took it to a Machine shop to find out what size the connecting threads were. They threaded a Die, into the head and told me it measured 1 5/8-8, I can't find that dim anywhere I tried converting 1 5/8 to mm and still can't find the Drive Face Plate I want. The Picture attached is what I am looking for, I snipped it from the net.  Thank you for your help!
 


Ken Powell
 

My SB9 was built in 1936; it uses a 1-1/2x8 spindle thread.