tastic Posted January 5, 2015 Share Posted January 5, 2015 I have an RT-1500 and migrates between my 1050 (.223) and 650 (.308). I have noticed when I remove the trimmer from the trim die, the top ring that holds the trimmer will move slightly, meaning I'll have to set up the trimmer again when I next process whichever caliber the trimmer is moving from. I tried a Hornady lock ring but the top threads appear to be different than the bottom. How have the rest of you 'solved' this? Is there a lock ring with something that will keep the lock ring in place? I'm really not looking forward to adjusting the trimmer every time I want to trim brass, nor do I enjoy the idea of buying another one and keeping it set up for .308. Link to comment Share on other sites More sharing options...
anm2_man Posted January 5, 2015 Share Posted January 5, 2015 (edited) Yep I had the same problem. I bought from Dillon (because its such an obscure thread pitch) a couple extra lock rings. I then Drilled and Tapped them with a set screw. Now all 3 of my trimmer tool heads are setup to the correct trimming depth. Here is a picture of the die with the modified Dillon Lock ring. Edited January 5, 2015 by anm2_man Link to comment Share on other sites More sharing options...
roxfo Posted January 5, 2015 Share Posted January 5, 2015 (edited) Same here.According to my notes: The thread for the lock nut is 13/16-20.The Dillon part number is K25-13559 (Upper Die Lock Ring for RT 1200).A good choice for the set screw is 6-32. .. Edited January 5, 2015 by roxfo Link to comment Share on other sites More sharing options...
WZ4I Posted January 5, 2015 Share Posted January 5, 2015 Red Loc-Tite solved that issue for me... Link to comment Share on other sites More sharing options...
Brassaholic13 Posted January 6, 2015 Share Posted January 6, 2015 You might consider one of these http://www.mcmaster.com/#9951k41/=vcankm Link to comment Share on other sites More sharing options...
tastic Posted January 7, 2015 Author Share Posted January 7, 2015 You might consider one of these http://www.mcmaster.com/#9951k41/=vcankm They fit snugly? Link to comment Share on other sites More sharing options...
johnsons1480 Posted January 7, 2015 Share Posted January 7, 2015 (edited) Man, these have gotten pricey. I bought a few of these a while back and really like them. Might work for your purposes. http://www.midwayusa.com/product/1100282628/forster-cross-bolt-die-locking-ring-7-8-14-thread Edited January 7, 2015 by johnsons1480 Link to comment Share on other sites More sharing options...
RDA Posted January 7, 2015 Share Posted January 7, 2015 Man, these have gotten pricey. I bought a few of these a while back and really like them. Might work for your purposes. http://www.midwayusa.com/product/1100282628/forster-cross-bolt-die-locking-ring-7-8-14-thread Those are the wrong thread for the trim die threads being discussed. I use thread locker on mine to keep the nut in place. Link to comment Share on other sites More sharing options...
johnsons1480 Posted January 8, 2015 Share Posted January 8, 2015 Man, these have gotten pricey. I bought a few of these a while back and really like them. Might work for your purposes. http://www.midwayusa.com/product/1100282628/forster-cross-bolt-die-locking-ring-7-8-14-thread Those are the wrong thread for the trim die threads being discussed. I use thread locker on mine to keep the nut in place. I see. Sorry! Link to comment Share on other sites More sharing options...
Pat Miles Posted January 8, 2015 Share Posted January 8, 2015 LockTite 271! If you need to take it apart at some point just heat it over your stove. Easy and cheap. Link to comment Share on other sites More sharing options...
pmclaine Posted January 11, 2015 Share Posted January 11, 2015 I bought extra rings from Dillon and had them tapped for a set screw as above. Works great. Link to comment Share on other sites More sharing options...
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