Die hole threads, Classic Cast

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Trinidad Bill
Posts: 70
Joined: Mon Jul 19, 2010 5:35 pm

Die hole threads, Classic Cast

Postby Trinidad Bill » Sun Aug 15, 2010 9:39 am

I picked up an older used Lee Classic Cast single stage press on e-bay last week. Very heavy duty press but… The threaded die hole is a bit dinged up. I used my RCBS 45ACP sizer die to clean it out a bit as I need to use it. Seems like a bad use for a sizing die!

What is the best way to clean up the threads? I am not sure I even have a tap that large. In fact I am not even sure of the size.

Posts: 897
Joined: Tue Aug 25, 2009 11:46 pm

Postby rowe_s » Sun Aug 15, 2010 11:48 am

I believe the threads are 7/8 14.
In a pinch when I didn't have a tap, I have cleaned threads by cutting groves in a bolt of the size needed. These groves act as a cutting edge to clean the treaded hole.

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Joined: Thu Jul 22, 2010 11:36 am

Postby at_liberty » Sun Aug 15, 2010 5:46 pm

My Classic cast single stage of recent vintage has a 1 1/4-12 thread and a 7/8-14 insert, which I replaced with a quick change bushing. That could be either Lee Breech Lock or Hornady LnL bushings and die adapters to match.

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