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Thread: New here. Bolt question

  1. #1
    Associate Engineer
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    New here. Bolt question

    I have this metric flange bolt with a manufacturer mark and the number 100 on head. I am having trouble finding information about the spec ratings of this bolt. Can anyone give me any information on this class type?

  2. #2
    Lead Engineer Cake of Doom's Avatar
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    Can you see anything else on it like "8.8", "M10" or "10.9", "M18" any other similar markings? If not, you have to try to contact the manufacturer and get them to provide you with more information.

  3. #3
    Associate Engineer
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    Thanks for the reply. Nope it's not a 8.8 or a 10.9. I wish it were. Seems like it's for a specific application since it's for drive wheels mounted on heavy equipment. Unfortunately the manufacturer who supplies us is over seas and is a third party.

  4. #4
    Administrator Kelly Bramble's Avatar
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    You should be able to google up the equipment company contact information and eventually get a part number. Just start the process.
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

  5. #5
    Engineer
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    You can search it on google.

  6. #6
    Associate Engineer
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    Google is the best search engines for you.

  7. #7
    Engineer
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    Also known as a “coach” bolt, has a domed or countersunk head. The square section under the head grips into the part being fastened preventing the bolt from turning when the nut is tightened.

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