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Thread: External Threading

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  1. 10-26-2007, 09:29 PM #1
    skipper
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    External Threading

    Hi All,
    I see a lot of charts for drilling holes to thread with a tap. What I am looking for is a chart for doing external threads on rods. Example: If I want to make a ¼-20 thread, what diameter should the rod be turned to do this? I a sure there must be a chart for this?

    Thanks,
    rene
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  2. 10-26-2007, 10:26 PM #2
    Andre' B
    Andre' B is offline Registered
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    http://www.efunda.com/DesignStandard...ws/unified.cfm

    Does anyone read the Machinery's Handbook cover to cover anymore?
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  3. 10-27-2007, 12:49 AM #3
    skipper
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    That's it!

    Thanks,
    That is the info I needed. I am not advanced enough to know what to do with a Machinist Handbook.
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  4. 10-27-2007, 01:44 AM #4
    Mcgyver
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    we can help with that to....open the cover, start at the top left corner, read left to right and down the page. consult index when required .
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  5. 10-27-2007, 03:19 AM #5
    cdlenterprises
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    Not enough pictures though....
    I don't know much about anything but I know a little about everything....
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