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Just how long did they use JIS bolts??

Discussion in 'Hangout Lounge' started by turpentyne, Jul 20, 2018.

  1. turpentyne

    turpentyne Active Member

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    Today, my 07 Acura wouldn't start. Probably solenoid, I'd guess... but first, I went to check the fuses under the hood.

    I popped the fusebox cover, and the first thing I see is what look like JIS screws holding down the main ignition fuse. What the?! I guess I just assumed they would've standardized years ago to philips or something. Are they still using these?

    Makes me a little extra happy I have the right damn screwdrivers!
     
    turpentyne, Jul 20, 2018
    #1
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    The Industrial Standardization Law was enacted in 1949, which forms the legal foundation for the present Japanese Industrial Standards (JIS).
     
    XJ550H, Jul 20, 2018
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  3. turpentyne

    turpentyne Active Member

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    Oh, I meant standardized to be in line with other countries, on my assumption that phillips was ‘more’ standard.

    But, then again, who am I kidding? The U.S. continues to refuse ever going full metric! :)
     
    turpentyne, Jul 21, 2018
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  4. MattiThundrrr

    MattiThundrrr Not a guru

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    Phillips was designed to compensate for unskilled labour on the assembly line. They were designed to "cam out" to prevent over torquing the screw, while jis promotes positive engagement. That's why the Phillips screws strip so easily. Jis is less common, but is a superior fastener.
     
    MattiThundrrr, Jul 21, 2018
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    chacal and k-moe like this.
  5. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    JIS is a current standard, and they are used even today.

    Phillips is a particular screw/tool engagement standard, named for the inventor.

    There are all sorts of standards, and it can be confusing even when you're used to ordering hardware for multiple applications. I'm thankful that standardization took hold and replaced the "everything is propriatary" era, when you literally had to by replacement hardware directly from the same manufacturer of the thing being worked on.
     
    Last edited: Jul 21, 2018
    k-moe, Jul 21, 2018
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  6. cgutz

    cgutz Well-Known Member

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    It is nice to be able to buy many replacement bolts for the XJ at ACE hardware!
     
    cgutz, Jul 21, 2018
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  7. MattiThundrrr

    MattiThundrrr Not a guru

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    Many people avoid the whole issue by switching everything to hex screws.
     
    MattiThundrrr, Jul 21, 2018
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    cgutz likes this.

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