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  1. #1
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    Default METRIC SIZES VS AMERICAN STANDARD SAE, YOU CAN SWAP

    I hope this conversion chart will help when that elusive wrench or metric socket just isn't available.
    10mm = 3/8"
    11mm = 7/6"
    13mm = 1/2"
    14mm = 9/16"
    16mm = 5/8"
    17mm = 11/16"
    19mm = 3/4"


    These are all real close equivalents. They might need a slight tap or wiggle just a little but it beats rolling up sanding cloth in a larger socket and beating it on the offending bolt.

    Buck1234




  2. #2
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    Quote Originally Posted by buck1234 View Post
    I hope this conversion chart will help when that elusive wrench or metric socket just isn't available.
    10mm = 3/8"
    11mm = 7/6"
    13mm = 1/2"
    14mm = 9/16"
    16mm = 5/8"
    17mm = 11/16"
    19mm = 3/4"


    These are all real close equivalents. They might need a slight tap or wiggle just a little but it beats rolling up sanding cloth in a larger socket and beating it on the offending bolt.

    Buck1234


    But here in Canada , I have to deal with both metric and imperial sizes of fasteners I have two sets of wrenches and sockets containing the most popular sizes for fasteners and that way I do not have to worry about rounding the corners on the nuts and bolts causing more grief for myself

  3. #3
    Motorbike Professor NancysToy's Avatar
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    Quote Originally Posted by Marker View Post
    But here in Canada , I have to deal with both metric and imperial sizes of fasteners I have two sets of wrenches and sockets containing the most popular sizes for fasteners and that way I do not have to worry about rounding the corners on the nuts and bolts causing more grief for myself
    I take the same approach. No use messing up fasteners if it isn't necessary. With US, Japanese, Italian, and British bikes, I have SAE, Metric, and Whitworth in my tool box.
    -Scotty
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  4. #4
    SpyderLovers Sponsor BajaRon's Avatar
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    Quote Originally Posted by NancysToy View Post
    I take the same approach. No use messing up fasteners if it isn't necessary. With US, Japanese, Italian, and British bikes, I have SAE, Metric, and Whitworth in my tool box.
    I've got a set of British tools that I got for my BSA 441. I'll have to look again but I'm pretty sure they say Wentworth, not Whitworth. What's the deal there Scotty?
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  5. #5
    Motorbike Professor NancysToy's Avatar
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    Quote Originally Posted by BajaRon View Post
    I've got a set of British tools that I got for my BSA 441. I'll have to look again but I'm pretty sure they say Wentworth, not Whitworth. What's the deal there Scotty?
    The brand may be Wentworth, but the standard is called Whitworth, developed by Joseph Whitworth in 1841. Also known as BSW, British Standard Whitworth.

    http://en.wikipedia.org/wiki/British_Standard_Whitworth
    -Scotty
    2011 Spyder RTS-SM5 (mine)
    2000 BMW R1100RTP, motorized tricycle & 23 vintage bikes
    2011 RT-622 trailer, Aspen Sentry popup camper, custom motorcycle trailer to pull behind the Spyder



    Mutant Trikes Forever!

  6. #6
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    [QUOTE=NancysToy;280777]. Also known as BSW, British Standard Whitworth.[QUOTE]

    I am going back to bed. I thought I had tools figured out, but now if I buy a BSA bike, I need to have BSW tools to work on it.

    Just wait till BRP hears about this and changes all of thier nuts and bolts to a different type.......

  7. #7
    SpyderLovers Sponsor BajaRon's Avatar
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    Quote Originally Posted by NancysToy View Post
    The brand may be Wentworth, but the standard is called Whitworth, developed by Joseph Whitworth in 1841. Also known as BSW, British Standard Whitworth.

    http://en.wikipedia.org/wiki/British_Standard_Whitworth
    Well, that clears everything up! So, Wentworth manufactures Whitworth spec tools but either way you're using Whitworth dimensions. Why would anyone be confused over that?
    Shop Ph: 423-609-7588 (M-F, 8-5, Eastern Time)

    Only SLOW people have to leave on time...





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