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Thread: Which thread RCBS locking ring?

  1. #1

    Which thread RCBS locking ring?

    The grub screws on my dies are a bit rounded off so I'd like to replace them. It's the round locking rings rather than the hex.
    Does anyone know which thread they are please as I don't have a thread gauge or any similar grub screws?
    Cheers
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  2. #2
    SD Regular bobjs's Avatar
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    Quote Originally Posted by phitt View Post
    The grub screws on my dies are a bit rounded off so I'd like to replace them. It's the round locking rings rather than the hex.
    Does anyone know which thread they are please as I don't have a thread gauge or any similar grub screws?
    Cheers
    contac RCBS with the part number of your dies (on the box) and they well send you some FOC.

    bob.
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  3. #3
    I'm sure that these are split-ring Lyman rather than RCBS lock rings. The RCBS type are inferior as they chew up the die 7/8"-14 thread.

    Are they secondhand perhaps, as it's quite common for sellers to switch them?

    These grub screws are probably purpose-made in an imperial size/pitch thread. If you can't find replacements Lee lock rings do as good a job, and are easy to find.
    If I'm going to be accused of it then it's just as well I did it.

  4. #4
    Ahh....that makes sense. Yes, just bought them 2nd hand. Was never keen on the RCBS locking directly onto the thread. Thanks for the info.

  5. #5
    SD Regular bobjs's Avatar
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    i think RCBS use a lead ball in the end of the thread now,

    never had a problem with my locking rings and i have been using rcbs dies for the past 15 years,

    mind you im not that mad at going over board when tightening them up.

    regards

    bob.
    WARNING: LUPUS IS A KILLER, lets support them in the need to find out what it is, what causes it and how do we defeat it. Donating to LUPUS UK | LUPUS UK

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