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trailer axle U-bolts - what steel?

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  • mikegt4
    replied
    Most towns have a place that specializes in commercial truck suspensions and springs. They can custom make them for you.

    Leave a comment:


  • Bob La Londe
    replied
    Last ones I made I used 4140 because I had it on hand.

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  • vpt
    replied
    Recently I built a trailer and needed U-bolts of an odd size. Found a local place like mentioned that made them on the spot for $7 each with nuts and washers.

    Leave a comment:


  • metalmagpie
    replied
    Yes, I can order custom u-bolts. But I don't see why I should.

    I think I'll just make some with 1045 rod.

    metalmagpie

    Leave a comment:


  • wierdscience
    replied
    Dozens of places online-

    https://www.dsuban.com/custom-u-bolts/

    They are usually medium carbon steel like mentioned already,but also feature rolled threads which will be 20-25% stronger than cut threads.

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  • nickel-city-fab
    replied
    Much of the higher-grade automotive stuff is just a medium carbon such as 1045, although later models (last 20 years) have some bits of 4140

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  • Corbettprime
    replied
    Northerntool, $25 for set of 4, with two mounting plates, for 3" , 6'000 # axle, plus other sizes.

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  • Michael Edwards
    replied
    There are places around that make u-bolts cheap. Probably not worth doing yourself.

    Some info.....


    http://gittspring.com/measuring-support/

    Leave a comment:


  • metalmagpie
    started a topic trailer axle U-bolts - what steel?

    trailer axle U-bolts - what steel?

    I'm building a trailer. It's looking like I may need to make my own U-bolts. Are these special steel? It's pretty important that they not fail.

    Do you know what kind of steel I should use?

    I'm stumped.

    metalmagpie
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