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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!
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s-l300-917691791.jpg

 

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

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

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From: [email protected] <[email protected]> on behalf of DocHD via groups.io <hocker333777@...>
Sent: Tuesday, February 14, 2023 7:25:49 PM
To: [email protected] <[email protected]>
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!
?
 

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

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