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Thread: JIS screwdriver who knew?
          
   
   

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  1. #1
    stovens's Avatar
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    JIS screwdriver who knew?

     



    Well after 55 years of life and an unknown number of striped phillips head screws on stereo stuff and other stuff I have tinkered with, a Marantz stereo repair friend clued me into the unknown JIS screw which looks like a phillips head screw. Turns out you can tighten either one with a JIS screw driver without stripping off the edges of the head of the screw, but not so with the phillips. I just bought two of these screw drivers and am amazed at the tight fit now that I know what I didn't know!
    Here is a pretty cool diagram that show what I'm talking about. JIS stands for Japanese Industrial Standard.


    Last edited by stovens; 11-24-2018 at 12:31 PM.
    MP&C likes this.
    " "No matter where you go, there you are!" Steve.

  2. #2
    stovens's Avatar
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    Amazon sells the drivers relatively cheap and this brand works great!
    https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
    Also if you look closely at a screw if it has a dot on top it is a JIS screw

    TOW'D, johnboy, 34_40 and 3 others like this.
    " "No matter where you go, there you are!" Steve.

  3. #3
    stovens's Avatar
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    Another cool thing about this particular screw driver it it has jaws on the tip that instead of shreading, improve screw grip and protect the screw, the tip is also magnetized, and lastly the shaft has a textured grip portion that allows you to rapidly spin a screw in place on longer screws. As I get older I am really appreciating have tools that make life easier!
    34_40 likes this.
    " "No matter where you go, there you are!" Steve.

  4. #4
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    Thank you, thank you!

    I've been looking for a European (metric) phillips.
    .
    Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
    EG

  5. #5
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    Glad to help!
    Dave Severson likes this.
    " "No matter where you go, there you are!" Steve.

  6. #6
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    there around 40 different screw heads . in the old days it was phillps and apect that gave us fits. i learned to file the point off phillips screw drivers .

  7. #7
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    I love Amazon, it's on the way.
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    Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
    EG

  8. #8
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    I have a couple filed off Phillips in my toolbox. I hate Phillips screws, give me a Torx bit any day.
    Dave Severson and glennsexton like this.
    Steve

  9. #9
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Neat information! I haven't had to deal with any of it for years but what was that weird British standard hardware we used to have to contend with?

    (If anyone sees my memory laying around could you please send it back to me?)
    glennsexton and Driver50x like this.
    Yesterday is history, tomorrow is a mystery, Live for Today!
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  10. #10
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    Dave, are you thinking of whitworth threads? where would you have run across that?

    OH, I think my dogs are playing with your memory here in the living room!?!?!? Sorry.
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  11. #11
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Yeah, that was it, Whitworth threads! Once upon a time I worked with a guy who did restorations and repairs on some of the old exotic British pieces. I also got to do some work on some of the old English bikes. It was interesting, I'll give it that!
    Yesterday is history, tomorrow is a mystery, Live for Today!
    Carroll Shelby

    Learning must be difficult for those who already know it all!!!!

  12. #12
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    Whittsworth is on of a few types of square thread which is used primarily for linear movement. The square profile provides more contact area and improved linear action.
    .
    Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
    EG

  13. #13
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    Pretty well all nuts and bolts on our Morris Minor are Whitworth, I did have a complete set of Whitworth spanners/sockets etc., but my bloody kids biffed them in the river because they reckoned they didn't fit anything and were therefore useless. (Yeah...they're still alive...just. I think She Who Must Be Obeyed would've been a wee bit upset if I'd killed them.)
    But over the years I've managed to accumulate another complete set from second-hand shops and the like.
    They're pretty rare; just about made of unobtainium.
    And the kids now know better than to biff them.
    johnboy
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    I don't know everything about anything, and I don't know anything about lots of things.

    '47 Ford sedan. 350 -- 350, Jaguar irs + ifs.
    '49 Morris Minor. Datsun 1500cc, 5sp manual, Marina front axle, Nissan rear axle.
    '51 Ford school bus. Chev 400 ci Vortec 5 sp manual + Gearvendors 2sp, 2000 Chev lwb dually chassis and axles.
    '64 A.C. Cobra replica. Ford 429, C6 auto, Torana ifs, Jaguar irs.

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