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3/8 inch Diameter Round U-Bolt

Rated 4.71 out of 5 based on 7 customer ratings
(7 customer reviews)

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3/8 inch Diameter Round U-Bolt with Deep Nuts and Washers only. No tie plate is included or available.

$4.82$9.84

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3/8 inch Diameter Round U-Bolt is Custom Bent from the choices you make here. Please read the directions carefully.

3/8 inch Diameter Round U-Bolt
  • Pricing includes Extra Deep Nuts and Hardened Thick U-bolt Washers
  • Custom bent u-bolts are non-returnable.

  Measure your u-bolt using the image above to to get your pricing.

  • “C” = Inside Width    (measure inside width)
  • “L” = Inside Length   (measure from the highest point inside to the bottom of the leg of u-bolt)
  • “T” = Approximate Thread Length is calculated by multiplying 2 X “L” plus “C” (which equals the overall length of rod material before bending)
    • Approximate thread lengths are predetermined and are listed below;
      • (Total rod length = Thread length on each leg)
        • 8″   to 20″ = 2″-3″
        • 22″ to 30″ = 4″
        • 32″ to 48″ = 6″

These u-bolts are for suspension, leaf spring and body mounting primarily, but have hundreds of other uses. We bend our own U-bolts on a hydraulic bender cold so the grain of the metal stays oriented in the right direction for maximum strength.

The only thread pitch we use are SAE (fine) and are manufactured by rolling a rod between dies creating threads for maximum strength. This makes the non-threaded part of the stock slightly smaller in diameter than the diameter of the threads and are not thread-able beyond the way they are.

Small diameter U-bolts (1/2 dia and smaller) are more susceptible to measuring slightly wider due to the spring-like nature of the steel, but U-bolts, when properly torqued will typically conform to the shape of the item it is fitting over. This product is not for ornamental use and is designed to be torqued.

 

SKU: 3/8 inch dia U-Bolt Round Categories: , Tags: ,

Brand

John Dsuban Spring Service Inc.

Weight 0.35 lbs
Inside Width

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Inside Length

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ITEM: is usually in stock. If u-bolt is for suspension use, re-tighten after the first 500-1000 miles. As new or repaired springs wear in, some settling of the spring pack will occur. Even a minor amount of this settling can cause a dramatic reduction in clamping force.

Specs: 

  • .375 (3/8) inch threads with a SAE thread pitch of 24 TPI
  • U-bolts up to 9/16 are Grade 5, while 5/8 and above are Grade 8.

We do not stock any form of stainless steel material. We do not offer any type of plating or galvanizing. All u-bolts we make are oil finish.

Physical properties:

150,000 PSI Minimum Tensile Strength; 130,000 PSI Minimum Yield Strength; 120,000 PSI Proof Load; 35% Reduction of Area; 10% Elongation. U-Bolts produced to SAE-J429 specification. This material is a cold drawn, stress relieved, micro-alloyed, 1541 modified steel. Please note that not all bending widths can be ordered on our web site.

For other information on our U-Bolts, please visit our U-Bolt information page.

Based on 7 reviews

4.7 overall
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  1. Rated 3 out of 5

    Keith Schroeder (verified owner)

    Bolts come with washers and nuts, but not a crosspiece for the base.

    Keith Schroeder

  2. Rated 5 out of 5

    john mullen (verified owner)

    Good product, perfect fit.

    john mullen

  3. Rated 5 out of 5

    Darrin’s MG Service (verified owner)

    Thank you!
    Right on the money !thank you for making these up for me

    Darrin’s MG Service

  4. Rated 5 out of 5

    Mel Brunet (verified owner)

    The u-bolts I ordered were perfect and not available locally. Jaymie went the extra mile for me.

    Mel Brunet

    • Rich

      Thank you. Glad to be of assistance!

      Rich

  5. Rated 5 out of 5

    Dennis Holm (verified owner)

    Good folks to deal with. Correct parts received in a short time. Will do business with in the future.

    Dennis Holm

  6. Rated 5 out of 5

    Brian Smith (verified owner)

    Great to know that there are places in the USA where you can get a quality product at a great price in a timely manner. U bolts came with washers and nuts.

    Brian Smith

  7. Rated 5 out of 5

    Stan Andeess (verified owner)

    Everything was just as listed. Service was great.

    Stan Andeess

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