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Shell plate bolt keeps loosening

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Shell plate bolt keep loosening. I dont want to ruin the threads in the soft aluminum body. What is the max tork for this bolt. Thanks

A tiny drop of blue Loctite will take care of this.......

Once tightened to snug with a "smidge more", the shell plate bolt should hold. I change calibers often so I use anti-seize on all retaining screws to keep the threads from galling

A quick trip to the fastener store (Fastenal or good hardware) with your set screws and have them matched with the ones having the nylon tip or plug in the threads. They do not work loose.

Quote from June 15, 2023, 3:18 pm

A quick trip to the fastener store (Fastenal or good hardware) with your set screws and have them matched with the ones having the nylon tip or plug in the threads. They do not work loose.

the shellplate doesn't have any set screws.  It threads into the top of the ram and stays tight from a friction fit.

 

 

Mine comes loose every 100 rounds.  A quick adjustment between primer fills does it.  I would b careful about using loktight.  If u ever actually snap the screw head,  u won't b able to back the rest of the screw out.  I broke one on a jam problem.  But a dental pick was able to back it out

Quote from Moo on June 16, 2023, 12:49 am

Mine comes loose every 100 rounds.  A quick adjustment between primer fills does it.  I would b careful about using loktight.  If u ever actually snap the screw head,  u won't b able to back the rest of the screw out.  I broke one on a jam problem.  But a dental pick was able to back it out

 

I was able to drill a small hole in the stub on mine.  It screwed itself all the way to the bottom while I drilled the hole.  Was able to jam tight a wooden screw into it (point of screw then larger shank did the trick to allow it to jam in)  carefulling backed it out and screw and stub came out.

I know I did get some of these screws from Dillon designed to have head come off and still have the shaft above the top of the ram--easy/peasy to get them out this way

w

I was able to drill a small hole in the stub on mine.  It screwed itself all the way to the bottom while I drilled the hole.  Was able to jam tight a wooden screw into it (point of screw then larger shank did the trick to allow it to jam in)  carefulling backed it out and screw and stub came out.

Left-hand drill bits are made for this situation...

Quote from on June 15, 2023, 3:18 pm

A quick trip to the fastener store (Fastenal or good hardware) with your set screws and have them matched with the ones having the nylon tip or plug in the threads. They do not work loose.

These are an excellent idea, and do not damage the existing female threads they are inserted into...

Just to describe these a little more clearly...they have a shallow hole drilled perpendicular into the thread near the bottom end. This shallow hole is filled with a nylon plug that stands proud of the thread a little- makes them self-locking.

The ones with nylon tip have been dipped at the end into a hardening thread-lock compound. Caution: these may be coated with epoxy. Don't use. Require heat to remove...

Both will withstand a few removals retaining their thread-locking properties.

Quote from Archive on June 26, 2021, 12:41 pm

Shell plate bolt keep loosening. I dont want to ruin the threads in the soft aluminum body. What is the max tork for this bolt. Thanks

Could also put a drop of nail polish on the bolt/shell plate to see that it has come loose.

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