10 Best Axle U Bolt Kits
#1 Best Pick
New Trailer U Bolt Kit, Trailer Leaf Spring U Bolts, for 5200-7000lbs 3" Round Axle, 7” Long U-Bolts, 1/2” Diameter, 3” Wide U Bolts-20080
Brand: Ussuray
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- Application: This trailer U bolt kit is compatible with 5200-7000lbs round axle which axle beam diameter is 3 inch. This u bolt kit is 3 inch wide, 7 inch long
- Package Include: 4 x 7" long trailer axle U bolts, U bolts diameter, 1/2", 8 x 1/2"-20 hex nuts, 2 x tie plates for 1-3/4" leaf springs
- Material: This 3 inch trailer U bolt kit is made of durable steel, every part of this kit is designed as the original part, nuts and bolts are suitable with each other, better fit, no loose
- Easy installation: Don’t need special tool to install, directly replaces, removes the broken U bolts and nuts, installs the new kit. Only spend your several minutes. Believe me! It will be the best choice for you when your trailer U bolts is broken
- Service Support: If you have any questions about our 3 inch wide trailer axle u bolts, please do not hesitate to send us a message and we will actively assist you in finding a solution
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#2 Best Value
RYANSTAR Racing 4 3/4" Long 2" Wide U Bolt Kit Compatible with 2x2 Axle Boat Trailer Axle Leaf Springs Trailer U Bolt Kit Square U Bolts 2 inch Wide
Brand: RYANSTAR RACING
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- [Strong and Secure] Our square U-bolt kit features a 1/2 inch diameter, 2-1/8 inch inside width, and 4-3/4 inch inside length. Constructed from heavy-duty steel with 1/2 inch thickness, it ensures maximum durability and strength for a secure hold.
- [Durable and Corrosion-Resistant] With a zinc-coated surface, our U-bolts are designed to withstand harsh environments, making them ideal for use in both saltwater and freshwater settings. This coating ensures long-lasting protection against corrosion.
- [Perfect Fit] Specifically engineered to fit around a 2x2 boat trailer axle, our U-bolts are fully adjustable to meet your specific needs. This design guarantees a precise and secure fit, enhancing the stability of your trailer.
- [Complete Kit] This U-bolt kit includes everything you need for installation: (2) mounting plates, (4) square U-bolts, (8) hex nuts, (8) flat washers, and (8) lock washers. Each component is crafted to ensure a secure and reliable connection.
- [User-Friendly Design] Our U-bolt kit is designed for ease of use, allowing for quick and straightforward installation. The comprehensive kit and detailed instructions make it simple to enhance the safety and functionality of your trailer.
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#3 Budget Pick
Glarks 64Pcs U-Clips and Body Bolts Screws Assortment Kit 8 Sizes Auto Car Clips Fasteners with Screws Auto Car U Nuts with Self Tapping Screw Body Bolts Screw for Bumper Fender Trim Panels
Brand: Glarks
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- ♛【What You Get】: You will get 32pcs engine cover U-Clips in 4 sizes, each size 8pcs; 8pcs self tapping screw; 24pcs body bolts screws in 3 sizes, each size 8pcs; totaling 64pcs. Sufficient quantity of clips and screws are enough for your basic repair requirement. Equipped with a durable plastic container for easy access and storage, avoiding confusion.
- ♛【Reliable Material】 : These U-clips and screws are made of high-quality steel material, which are zinc-plated, sturdy & durable, high hardness, anti-corrosion, anti-wear, waterproof, and not easy to break or fade. They can be used for a long time, which can save your money.
- ♛【Product Dimensions】 : These U-Clips size are as follows(L*W): 27.3 x 13.1mm/1.07 x 0.5inch, 22.7 x 16.2mm/0.9 x 0.64inch, 20.5 x 13mm/0.8 x 0.51inch and 14.8 x 12.2mm/0.58 x 0.48inch. The self tapping screw size is 17.7 x 4mm/0.7 x 0.16inch(L*Dia). These body bolts screws size are 25.7 x 6mm/1 x 0.24inch, 21.2 x 6mm/0.83 x 0.24inch and 21.5 x 6mm/0.84 x 0.24inch(L*Dia).
- ♛【Easy to Use】: There are two ways to use it. One method is to place a U-clip on the hole of the plate and screw a body bolts with built-in fender washer onto the hole through the U-clip. Another method is to use a screwdriver to directly screw the body bolts with built-in fender washer into the hole in the plate. The installation process is easily to implement even if your are a beginner without any installation experience.
- ♛【Wide Application】: This kit is widely used in repairing and removing body clips, mud flap, door decorative fasteners, decorative plate holders, door plate clips, bumper clips, trim panel, fender clips, engine cover, etc. It is suitable for bumper, car fender, car body clips, trim panel retainer, radiator yoke, engine cover, etc. It can also be used on different cars such as trucks, cars, trains, buses, etc.
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#4 Top Choice
Rustark 64Pcs Auto Car U Clip U Nut and Body Bolts Screw Assortment Kit Body Bolt and Clip Kit Bumper Cover Fender Screw u Nut Fasteners for Universal Car
Brand: Rustark
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- 【 Great Value Kit of 64pcs 】 --- We have prepared you with ①8pcs Body Bolts with Built-in Fender Washer②8pcs Extruded U-nuts - Replace/Fix to the Bumper③24pcs Car U-Nut Clips in 3 sizes(15mm, 21mm, 22mm), 8pcs per size④24pcs Auto Body Screw in 3 styles, 8pcs per size. Sufficient quantity and different types make your work easier and more economical!
- 【 Universal Engine Splash Shield Bolts and U-Nuts 】 --- The body bolts and the extruded U-nuts are made of high hardness steel with black oxide finished, resistant to strong impact, wear and rust. They can resist road salt, water, oill and dirt, durable for long-lasting use. Perfectly fit for a specific sized hole of universal car, firmly holding car door panel and more, easy to install even in confined areas.
- 【 U-Clips and Screws Assortment 】 --- Our rust-resistant finished u-clips are made of high-quality spring steel, provide a strong, robust and durable solution. This kit includes various types of U-clips and screws, so you can replace rusted or broken to secure auto body panels or moldings easily.
- 【 Perfect Storage 】------ All the auto replacement parts in different sizes and varieties are packed in a plastic compartment boxes, preventing them getting mixed up. It is convenient for you to use and store. A helpful size chart is included for easy identification.
- 【 Wide Application 】 --- This auto U-clips and screws kit can be used for replacing trim panel clips, bumper clips, door plate clips and fender clips; widely used for car fender, bumper, engine under cover, splash guard shield, car interior panels or other car surface.
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#5 Popular Choice
NESTINGHO 6 Sets M6x50x80mm Stainless Steel Square U-Bolt Kit with Nuts and Plates for Trailer Axles Securing Heavy Equipment Industrial Fasteners
Brand: NESTINGHO
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- Comprehensive kit: the u bolt kit comes with nuts and plates, ensuring you have enough parts for different projects nbsp,square u-bolts,u-bolts with frame plates
- Great durability: constructed from stainless steel, these u-shaped bolts offer exceptional durability, making them ideal for heavy duty industrial supplies,u bolts stainless steel,square u bolt clamps
- Complete set: this u-bolt kit includes multiple sets, providing ample quantity to meet diverse needs in different settings,heavy duty u-bolt,u shaped bolts for automobiles
- Square shape: the square u-shaped design allows for easy installation and removal, making it convenient for users to secure and release items as needed,square u clamp,u-shaped bolt
- Fine craftsmanship: featuring fine craftsmanship, the surface of these square u bolts is smooth and resistant to wear, maintaining their appearance and functionality,automobiles,stainless steel u-bolts with frame plates
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#6 Top Pick
4Set M8x40x100mm 304 Stainless Steel Square U Bolts Kit with Nuts/Washers - SiegYma for DN40 Pipe, Trailer Axle, Leaf Spring, Backpack Blower Rack, Industrial Mounting Wide U Clamps (M8 × 40 × 100mm)
Brand: SiegYma
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- Premium 304 Stainless Steel Construction : Crafted from high-grade 304 stainless steel, these square U bolts offer superior corrosion resistance for long-lasting performance. The M8 coarse threads ensure secure fastening, while the 100mm(3.94") length and 25mm(0.98") width fit DN40 pipes perfectly. Ideal for trailer U bolts, industrial applications, and marine environments.
- Complete 4-Piece Hardware Kit : Each set includes 4 premium U-bolt assemblies: stainless steel square U bolts (1" wide), zinc-plated nuts, rust-proof washers, and reinforced steel frame plates. Pre-matched components save installation time - no need to source separate bolts, washers or U bolt clamps.
- Versatile Multi-Industry Applications : Perfect for securing pipes, trailer axles, automotive leaf springs, and machinery. Works with backpack blower racks, brackets, and various mounting systems. Suitable for construction, agricultural, automotive repair, and industrial & scientific applications.
- Engineered for Maximum Durability : Features square head bolts with precision bending for a sturdy U-shape that resists deformation. The M8 stainless washers distribute pressure evenly while the square U bolts 3-4 inch wide variants maintain grip under heavy loads and vibration.
- Easy Installation Guidelines : Simple 3-step process: (1) Align U-bolt legs with mounting surface (2) Add washers and frame plate (3) Hand-tighten nuts using standard wrench. Pro tip: Apply lubricant to threads for smoother assembly. Avoid power tools to prevent damaging these square U bolts' threads.
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#7 Top Pick
RYANSTAR Racing 5 1/4" Long 2" Wide U Bolt Kit Compatible with 2x2 Axle Boat Trailer Axle Leaf Springs Square U Bolts 2 inch Wide Trailer U Bolt Kit
Brand: RYANSTAR RACING
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- [Strong and Secure] Our square U-bolt kit features a 1/2 inch diameter, 2-1/8 inch inside width, and 5 1/4 inch inside length. Constructed from heavy-duty steel with 1/2 inch thickness, it ensures maximum durability and strength for a secure hold.
- [Durable and Corrosion-Resistant] With a zinc-coated surface, our U-bolts are designed to withstand harsh environments, making them ideal for use in both saltwater and freshwater settings. This coating ensures long-lasting protection against corrosion.
- [Perfect Fit] Specifically engineered to fit around a 2x2 boat trailer axle, our U-bolts are fully adjustable to meet your specific needs. This design guarantees a precise and secure fit, enhancing the stability of your trailer.
- [Complete Kit] This U-bolt kit includes everything you need for installation: (2) mounting plates, (4) square U-bolts, (8) hex nuts, (8) flat washers, and (8) lock washers. Each component is crafted to ensure a secure and reliable connection.
- [User-Friendly Design] Our U-bolt kit is designed for ease of use, allowing for quick and straightforward installation. The comprehensive kit and detailed instructions make it simple to enhance the safety and functionality of your trailer.
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#8 Top Pick
Trailer U Bolt Kits for 3" Round Trailer Axle,Spring U-Bolt Kit,1/2" Round Suspension U-Bolts 6.5" Long,2 Pack
Brand: WINTOWIN
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- Perfect Fit: Available in the ideal size for suspension, U Bolts Diameter: 1/2' Inside width: 3-1/8in(8cm,Inside length 6.5in (16.5cm)
- Premium Quality: The Suspension U-bolts is made of high -quality durable steel to ensure that it can withstand the heavy load and vibration of the vehicle's operation
- Product Contents: 2*1/2" Round u-bolts,4 *Hex nuts,4*Lock washers
- Easy installation: Don’t need special tool to install, directly replaces, removes the broken U bolts and nuts, installs the new kit
- Service Support: If you have any questions about our 3 inch wide trailer axle u bolts, please feel free to contact us
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#9 Top Pick
U Bolts Kit 50mm Square X 6 inch 5/8 Ubolts Fish Plates Axle Pads Trailer Caravan
Brand: Generic
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- U Bolts Kit 50Mm Square X 6 Inch 5/8 Ubolts Fish Plates Axle Pads Trailer Caravan
- Stainless Steel For Durability
- Transporting & Storage Trailer Couplings & Accessories Automotive Accessories Trailer Accessories Hardware
- Brand: Generic
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#10 Top Pick
Heavy Duty Rolled Steel U Bolt Kit, Fit for 5200 to 7000lbs 3 Inch Round Axle Leaf Spring Replacement Trailer
Brand: Tbest
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- [Versatile Use] Ideal for renovation and replacement projects, suitable for 5200 to 7000lbs 3-inch round axles leaf spring, ensuring stability while towing a trailer.
- [Easy Installation] Simplify your trailer maintenance with this u bolt kit, designed for easy installation and long-lasting durability, for diy projects.
- [Enhanced Performance] Upgraded design ensures exceptional performance and reliability for various trailer applications, keeping your towing experience smooth and safe.
- [Precise Design] Specifically designed for 3-inch round axles, these u bolts with tie plates provide superior force distribution and increased load-bearing capability.
- [ Construction] Constructed with heavy-duty rolled steel, ensuring high hardness, , and long lifespan in harsh environments.
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