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  1. #1
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    Default Skinner Chuck Key

    New to machining, and found this Skinner Chuck on a dividing head. Iíve tried searching but canít seem to find a source for a key for this. Looks like itís somewhere around 11-12mm. Too small for 1/2 and too big for 7/16Ē.

    Where would I find an appropriate key for this outside of making one?





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    Can you measure the square with a set of calipers? I am betting it is a 7/16" but the corners of your female wrench were too rounded to fit on that male square.

    It being stamped made in america make me suspect it wouldn't be 12mm

    PS, 12mm=.472, 11mm=.433, 7/16=.438

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    If it is like my Skinner chuck, the square is 15/32". Skinner supplied their own wrenches for their chucks. Here is a wrench that should fit.

    Vintage Skinner Chuck Co. Square Nut Off Set Lathe Wrench | eBay

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    Boy, was I wrong. 12mm would probably be about perfect.
    15/32=.469, 12mm=.472
    Last edited by kenton; 07-19-2021 at 07:10 PM. Reason: added dims

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    Remember, they didn't use Metric measurements way back when this chuck was made. It's all fractional or odd ball decimal dimensions as Buck, Cushman, and Union used on some of their chuck wrenches back in time.

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    I knew it wouldnít be metric, just providing that for reference.

    I donít have a 15/32Ē wrench, but sounds like it would be the right size.

    Thanks all!


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    Quote Originally Posted by MyLilMule View Post
    I knew it wouldn’t be metric, just providing that for reference.

    I don’t have a 15/32” wrench, but sounds like it would be the right size.

    Thanks all!
    Could was, but...

    You are not going to find it easy to LOCATE either of a 12 mm or 15/32" in four-point ... or even 8-point ... either.

    "Bastard size", either tribe.

    And a 12-point will just f**k it up.

    Try for a "vintage" OEM one.

    Or JF make it.

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    Quote Originally Posted by enginebill View Post
    If it is like my Skinner chuck, the square is 15/32". Skinner supplied their own wrenches for their chucks. Here is a wrench that should fit.

    Vintage Skinner Chuck Co. Square Nut Off Set Lathe Wrench | eBay
    You better jump on this one before someone else buys it.

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    Quote Originally Posted by 4GSR View Post
    You better jump on this one before someone else buys it.
    Pretty sure I'm going to pass. But thanks.

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    Why?!! I am all about making a part/tool but for 45 bucks,,,you are going to screw around for more than that in TIME alone making one. Plus, it's always nice to have the factory one especially for our older machines.

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    Quote Originally Posted by MyLilMule View Post
    Pretty sure I'm going to pass. But thanks.
    Errm. Easy choice.

    Any chuck use female socket wench b'long museum, not spindle..

    Assert yer politically incorrect spindle ownership privileges while you still can!

    Mount a fresher one .. one you can prong, fair 'n square!


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    Quote Originally Posted by dundeeshopnut View Post
    Why?!! I am all about making a part/tool but for 45 bucks,,,you are going to screw around for more than that in TIME alone making one. Plus, it's always nice to have the factory one especially for our older machines.
    Iím a hobbyist. My time is free.


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    Quote Originally Posted by MyLilMule View Post
    I’m a hobbyist. My time is free.
    "Free"? As in unlimited supply at no measurable cost?

    Really?

    I've been retired since 1994.

    But I have not YET been able to figure out the price of buying BACK.. yesterday afternoon.... wasted.. and adding it back to the ever-diminishing time ahead of me being consumed.

    In satisfaction.. or otherwise.

    "Free"?

    Or is it the most valuable thing you EVER had and STILL HAVE .... "time" - irreplaceable at ANY price?

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    Quote Originally Posted by thermite View Post
    .................................................. ...
    But I have not YET been able to figure out the price of buying BACK.. yesterday afternoon.... wasted.. and adding it back to the ever-diminishing time ahead of me being consumed.
    ..............................
    Bill,

    If you would spend less time filling this forum with your "comments" you would have all sorts of time to spend in your shop making stuff that you could show us pictures of here on PM.

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    Quote Originally Posted by 4GSR View Post
    Bill,

    If you would spend less time filling this forum with your "comments" you would have all sorts of time to spend in your shop making stuff that you could show us pictures of here on PM.
    I have him on my ignore list, don't see anything he writes unless someone quotes him. lolz.

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    Quote Originally Posted by 4GSR View Post
    Bill,

    If you would spend less time filling this forum with your "comments" you would have all sorts of time to spend in your shop making stuff that you could show us pictures of here on PM.
    So far, nobody has offered any good reason why I would WANT to, though?
    I'm good with letting OTHER folks who actually ENJOY it "make chips".

    Research, thinking, and making decisions always paid better.
    It's even more FUN!



    And I have put my "money where my opinion is" on chucks, too, BTW:

    Even trying to cherry-pick the best available of used chucks .. and be willing to pay a bit more ... simply didn't work as well as BRAND NEW ones. Roughly one out of three bought used was even worth keeping AT ALL.

    They just aren't THAT expensive for how long they last if bought new... then not abused to death.

    Y'all want some NICE 4-J chucks (plus one-each 2J, 6-J, and magnetic)?

    Outlive me. Watch for my obituary!


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    Quote Originally Posted by MyLilMule View Post
    I have him on my ignore list, don't see anything he writes unless someone quotes him. lolz.
    OH F**K!!!

    I WONDERED why there was over a million USD$ disappearing out of my bank account every f****g time I posted on PM!

    NOW I know?

    There really IS a "tax on bullshit!"

    Now.. can YOU afford the price of it?

    .. and still retain a healthy sense of humour?



    Seriously.. "ignore" just works.

    So does skipping right PAST ANYTHING you don't care for.

    PM ... or life in general.

    It is HARD to fathom WHY some folks get so wound-up about things they don't like ... and never did have to read, wear, eat, drive, work alongside, pay-for..

    .... nor even shag and "pretend to love".. before being allowed to fall asleep...

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    Quote Originally Posted by dundeeshopnut View Post
    Why?!! I am all about making a part/tool but for 45 bucks,,,you are going to screw around for more than that in TIME alone making one. Plus, it's always nice to have the factory one especially for our older machines.
    hobbyist are the cheapest group of people you will ever find no mater what field it is . when my dad had his shop he had a friend that would come by and when he walked in my dad would go cheep cheep and the guy would say back i am not cheep i am just thrifty and my dad would say back you call it what you want and i will call it what i want . one more point i had a mauser t rifle [ 13 mm anti tank bolt gun ww1] extractor [and that's all of it i ever had] this was back in the 90's so i put it up for sell this guy wants to buy but he starts him haying about the price tells me he may just make one for that price i tell him your telling me that your time is not worth much and your wasting mine next words out of his mouth i will take it . some people know the price of every thing and the value of nothing . all you have in life is time and if you let people wast it you won't get any thing done .

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    Quote Originally Posted by 1yesca View Post
    hobbyist are the cheapest group of people you will ever find no mater what field it is
    I like the way you didn't offend every hobbyist in any field by not over generalizing and diminishing them.

    I'm a hobbyist. I LIKE TO MAKE THINGS AS A HOBBY. Why the fart would I buy something for $45 when I can make it a fun project?

    If it was all about the Benjamins, I wouldn't have bought a lathe and a Bridgeport and all the tooling I have SO FAR. It'd be soooooo much CHEAPER.

    But since I'm too cheap to pay $45 for a key, I'll just buy a lathe and a mill and all that tooling and make one myself. Because I'm cheap.

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    Quote Originally Posted by MyLilMule View Post
    I like the way you didn't offend every hobbyist in any field by not over generalizing and diminishing them.

    I'm a hobbyist. I LIKE TO MAKE THINGS AS A HOBBY. Why the fart would I buy something for $45 when I can make it a fun project?

    If it was all about the Benjamins, I wouldn't have bought a lathe and a Bridgeport and all the tooling I have SO FAR. It'd be soooooo much CHEAPER.

    But since I'm too cheap to pay $45 for a key, I'll just buy a lathe and a mill and all that tooling and make one myself. Because I'm cheap.
    LOL!

    I think I'm right at around a 100 large spend on "Old Iron hobby" over the past ten years? Flying airplanes was ages ago. Or fast, "exotic" - or both - motorcars.

    All of it - combined - has proven cheaper than wimmin' .... by around 20 to one.

    And I can't even be bothered to manufacture excuses for not making excuses that would pass QC.

    Can't take that sort of joke?

    Pound sand.

    My shop. My rules, my time to waste ... however I see fit.

    When I even get off my ass and find the energy and inclination to even be BOTHERED to waste time. Most days, I'm too lazy to even start at wasting enough of it to matter..

    You'd have to know procrastination?



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