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Thread: My new Savage bolt knob jig

  1. #31
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    thomae's Avatar
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    Re: My new Savage bolt knob jig

    I have a 7x10 (7x12?) mini lathe. Do you think that is big enough to work on a bolt handle...or do you think I would need a larger (i.e. more rigid) lathe?
    Thanks in advance for your thoughts.
    Confido autem verificare

  2. #32

    Re: My new Savage bolt knob jig

    Quote Originally Posted by thomae
    I have a 7x10 (7x12?) mini lathe. Do you think that is big enough to work on a bolt handle...or do you think I would need a larger (i.e. more rigid) lathe?
    Thanks in advance for your thoughts.
    I can't answer that as I've never owned or operated any other lathe besides the one I have now. I'm guessing you'd be fine, but maybe someone more knowledgeable will chime in.

  3. #33
    Paid Member bootsmcguire's Avatar
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    Re: My new Savage bolt knob jig

    It really should be, but without seeing your set up in person, I will say that i usually keep my cut depth on the lighter side when using those mini-lathes.
    22K-H, 22-250, 6BR, 243-AI, 6-06, 6-WSM, 250-AI, 270, 308, 30-06, 450BM
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  4. #34
    mike82352
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    Re: My new Savage bolt knob jig

    Nice looking fixture. What RPM do you turn at?
    It looks like I just found me another project.
    Is it made with mild steel or something that can be heat treated. I love making any kind of useful gadgets.
    Thanks.

  5. #35

    Re: My new Savage bolt knob jig

    Quote Originally Posted by mike82352
    Nice looking fixture. What RPM do you turn at?
    It looks like I just found me another project.
    Is it made with mild steel or something that can be heat treated. I love making any kind of useful gadgets.
    Thanks.
    I made it from a piece of 1" mild steel, but it wouldn't matter. The angle is 11 degrees. I don't know what RPM it's turning at. I bought an old South Bend lathe last year and started playing. Those details like RPMs, SFPM, and feed rates are still beyond me. I just know how to make bolt knobs and install muzzle brakes ;D

  6. #36
    mike82352
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    Re: My new Savage bolt knob jig

    I got me a jig made and turned my first bolt. Works really well, Thank you for the idea.
    I did not realize how hard these handles are? It was some slow cutting until I got past the hardend part.



  7. #37

    Re: My new Savage bolt knob jig

    Quote Originally Posted by thomae
    I have a 7x10 (7x12?) mini lathe. Do you think that is big enough to work on a bolt handle...or do you think I would need a larger (i.e. more rigid) lathe?
    Thanks in advance for your thoughts.
    I got the 7x10 and plan on trying this some time.

  8. #38
    mike82352
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    Re: My new Savage bolt knob jig

    Make sure you have carbide tooling, as these bolts are hard!!!! The center of the bolt is softer, but that outside portion is tuff. It will also be easier to dial in with a 4 jaw chuck. Other then taking it slow ,you should be able to do this. I think the next one I do, I will grind it down before I chuck it in the lathe, just to get past the case hardened portion.

  9. #39

    Re: My new Savage bolt knob jig

    It helps to gring the outer layer down on a belt sander or with a grinder. The polished blue ones seem to be the hardest coating to get through. Be prepared to find air pockets inside as well!

  10. #40

    Re: My new Savage bolt knob jig

    Here's a few more of mine.



  11. #41
    Paid Member geargrinder's Avatar
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    Re: My new Savage bolt knob jig

    I'll take the LH ones. ;D

    Those look great.
    "Muzzle velocity is a depreciating asset, not unlike a new car, but BC, like diamonds, is forever."-German A. Salazar

  12. #42
    leadzinger
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    Re: My new Savage bolt knob jig

    Quote Originally Posted by mscott71
    Here's a few more of mine.


    Where's the slobber, druel, and repeat e-con?

  13. #43
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    Re: My new Savage bolt knob jig

    I like the first one inline myself. I would love to have one.

  14. #44
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    Re: My new Savage bolt knob jig

    He made me the first one on the left and I really like it. It is in natural aluminum and stainless colors.
    Retired sniper. You can run, But you will only die tired!!!

  15. #45

    Re: My new Savage bolt knob jig

    Here's a stainless one uncoated.

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