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1/2 inch Diameter Square U-Bolt

Rated 4.94 out of 5 based on 18 customer ratings
(18 customer reviews)

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1/2 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.

$5.00$24.50

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1/2 inch Diameter Square U-Bolt is Custom Bent from the choices you make here. Please read the directions carefully.

1/2 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″

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: 1/2 inch dia U-Bolt Square Categories: , Tags: ,

Brand

John Dsuban Spring Service Inc.

Weight 0.52 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: 

  • .5 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 18 reviews

4.9 overall
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  1. Rated 5 out of 5

    Ryan Daly

    Good u bolt at good price. Would be nice to have slightly smaller lengths though as 3 1/2″ would’ve worked better for us.

    Ryan Daly

  2. Rated 5 out of 5

    lawrence byington (verified owner)

    Was what i asked to be made fit great. Highly recommended.

    lawrence byington

  3. Rated 5 out of 5

    William Milette (verified owner)

    The dimensions where right on.
    The service was excellent !

    William Milette

  4. Rated 5 out of 5

    Landy (verified owner)

    Love it

    Landy

  5. Rated 5 out of 5

    john n (verified owner)

    Exactly what i ordered. Very pleased. Will use them again.

    john n

  6. Rated 5 out of 5

    Don (verified owner)

    Just what I needed, worked great to mount my spare tire on my 5th wheel

    Don

  7. Rated 5 out of 5

    Dick Davis (verified owner)

    Exactly what I ordered.

    Dick Davis

  8. Rated 5 out of 5

    Tom t (verified owner)

    Exactly what was ordered very fast shipping

    Tom t

  9. Rated 5 out of 5

    Burke Schmidt (verified owner)

    I ordered 1/2″ diameter square u-bolts to mount anti drag wheels on a class B van. They were shipped very quickly. They are exactly what I needed to complete the job, are robust, and fit as if they were part of the wheel package. They’re perfect. Thank you

    Burke Schmidt

  10. Rated 5 out of 5

    Paul Brittenham (verified owner)

    Great selection and price, very quick shipping. Will do business with them any time I can. Thanks for the great customer service.

    Paul Brittenham

  11. Rated 5 out of 5

    Charles H Shreve (verified owner)

    After the first set which was the wrong size this order was the right ones. Thanks

    Charles H Shreve

    • Rich (verified owner)

      Thank you. Glad to be of assistance!

      Rich

  12. Rated 5 out of 5

    David Chaffin (verified owner)

    Delivery was prompt and it was exactly what we ordered.

    David Chaffin

  13. Rated 4 out of 5

    Larry Picard, Picard’s Auto, Truck, & Ind. (verified owner)

    Would like a jobber price for resale when bought in quantity…..other than that, No problems… Thanks

    Larry Picard, Picard’s Auto, Truck, & Ind.

  14. Rated 5 out of 5

    Chris Zeller (verified owner)

    All companies should be as efficient as this one . Fast and accurate.

    Chris Zeller

  15. Rated 5 out of 5

    kimberly field

    exactly as ordered – shipping was fast

    kimberly field

  16. Rated 5 out of 5

    Matt Murphy (verified owner)

    Had clamps made they were EXACTLY what I ordered they were made and shipped fast VERY HAPPY

    Matt Murphy

  17. Rated 5 out of 5

    SAM MUADDI (verified owner)

    GREAT PRODUCTS AND SERVICE

    SAM MUADDI

  18. Rated 5 out of 5

    Walter (verified owner)

    Needed for a boat trailer modification. Order was made and received in two days, VERY fast service and fit perfectly !!!

    Walter

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