7/16 inch Diameter Square U-Bolt

Rated 4.80 out of 5 based on 5 customer ratings
(5 customer reviews)


7/16 inch Diameter Square U-Bolt with Deep Nuts and Washers only. No tie plate is included or available.

Please note the inside corners of a Square Custom U-Bolt are slightly rounded and are not perfectly square as pictured.



7/16 inch Diameter Square U-Bolt is Custom Bent from the choices you make here. Please read the directions carefully.

7/16 inch Diameter Square 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″
SKU: 7/16 inch dia U-Bolt Square Categories: , Tags: ,


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.


  • .4375 (7/16) inch threads with a SAE thread pitch of 20 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 5 reviews

4.8 overall

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  1. Rated 4 out of 5

    Brent (verified owner)

    Product arrived promptly and exactly how I ordered them


  2. Rated 5 out of 5

    Harold McCasland (verified owner)

    Great service prompt and helpful information. Excellent product and a great price too.Thank you.

    Harold McCasland

  3. Rated 5 out of 5

    Tom D (verified owner)

    These custom U Bolts are just what I need for my boat trailer. I could not find the length that I needed elsewhere and at a reasonable price. They arrived quickly and well packaged. I highly recommend Dsuban for custom U Bolts.

    Tom D

  4. Rated 5 out of 5

    Tom O’Toole (verified owner)

    It’s funny; I was going to say the same kind of thing as Tom D. I also used them on my boat trailer. Well made and fit the trailer frame like a glove. I know where I’ll be going the next time I need custom hardware.

    Tom O’Toole

  5. Rated 5 out of 5

    CPS (verified owner)

    I had an odd size square bend u bolt that I needed for my utility trailer tongue Warn winch mounting plate. Dsuban had what I needed! U Bolts came with washers and hex nuts (Awesome!). Both U Bolts were well made, threads were clean, and overall size was exactly what was promised. I recommend there products, and will purchase from them again! Shipping was fairly quick considering I live in Texas.


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