Top 10 Axle Bolts 1/2 Inch – Trailer Axles

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1. Reliable Aftermarket Parts Our Name Says It All

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2 New Trailer U Bolt Kits for 3500lb Axles 2-3/8" Round Axle 5-1/2" Long 1/2" Diameter

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Reliable Aftermarket Parts Our Name Says It All #ad - Used for most 3500 lb. Bolt end c-to-c: 2-3/8", overall u-Bolt Length: 5-1/2". Each heavy duty 2-3/8" round u-bolt kit includes: 4-U-Bolts, 2 Axle Mount Plates and 8 Flange Nuts. 1/2" diameter round u-Bolt, Zinc Plated Mounting Plate. Set of 2 u-bolt Kits. Axles with 1-3/4" Wide Springs.
BrandReliable Aftermarket Parts Our Name Says It All #ad
ManufacturerAftermarket #ad
Height5 Inches
Length5 Inches
Weight16 Pounds
Width5 Inches
Part NumberTLU31-0012_x2

2. Reliable Aftermarket Parts Our Name Says It All

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New Trailer U Bolt Kit for 3500lb Axles 2-3/8" Round Axle 5-1/2" Long 1/2" Diameter

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Reliable Aftermarket Parts Our Name Says It All #ad - Used for most 3500 lb. 1/2" diameter round u-Bolt, Zinc Plated Mounting Plate. Heavy duty 2-3/8" round u-bolt kit includes: 4-U-Bolts, 2 Axle Mount Plates And 8 Flange Nuts. Axles with 1-3/4" Wide Springs. Please note that some listings Use Stock Images As A Reference For Customers. Bolt end c-to-c: 2-3/8", overall u-Bolt Length: 5-1/2".
BrandReliable Aftermarket Parts Our Name Says It All #ad
ManufacturerAftermarket #ad
Height5 Inches
Length5 Inches
Weight8 Pounds
Width5 Inches
Part NumberTLU31-0012

3. Sturdy Built

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6 1/4" Long, Sturdy Built Single Axle Galvanized U Bolt Kit for mounting Boat Trailer Leaf Springs for 2x3 axle

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Sturdy Built #ad - All hot-dipped galvanized parts, perfect for Fresh Water or Saltwater Boat Trailers, or Utility/Land Trailers in Icy or Coastal locations. Square u bolt size: 1/2 inch diameter x 2 inch Inside Width x 6 1/4 inch Inside Length. Complete single axle kit: includes all of the Galvanized Hardware and Parts Pictured. Fits a 2x3 square axle. Enough u bolts and plates to mount a Single Axle to Your Trailer. The included u bolts and plates are designed to fit around a 2 inch by 3 inch Square Boat Trailer Axle.
BrandSturdy Built #ad
ManufacturerSturdy Built #ad
Part Number24405-K

4. Sturdy Built

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5 1/4" Long, Sturdy Built Single Axle Galvanized U Bolt Kit for mounting Boat Trailer Leaf Springs for 2x2 axle

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Sturdy Built #ad - Square u bolt size: 1/2 inch diameter x 2 inch Inside Width x 5 1/4 inch Inside Length. Fits a 2x2 square axle. Enough u bolts and plates to mount a Single Axle to Your Trailer. All hot-dipped galvanized parts, perfect for Fresh Water or Saltwater Boat Trailers, or Utility/Land Trailers in Icy or Coastal locations. The included u bolts and plates are designed to fit around a 2 inch by 2 inch Square Boat Trailer Axle. Complete single axle kit: includes all of the Galvanized Hardware and Parts Pictured.
BrandSturdy Built #ad
ManufacturerSturdy Built #ad
Part Number24404-K

5. Sturdy Built

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Sturdy Built Single Axle Galvanized U Bolt Kit for mounting Boat Trailer Leaf Springs for 2 3/8 Round Axle, 5 1/4" Long

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Sturdy Built #ad - Complete single axle kit: includes all of the Galvanized Hardware and Parts Pictured. Round u bolt size: 1/2 inch diameter x 2 3/8 inch Inside Width x 5 3/8 inch Inside Length. All hot-dipped galvanized parts, perfect for Fresh Water or Saltwater Boat Trailers, or Utility/Land Trailers in Icy or Coastal locations. Enough u bolts and plates to mount a Single Axle to Your Trailer.
BrandSturdy Built #ad
ManufacturerSturdy Built #ad
Part Number24400-K

6. CE Smith

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CE Smith Trailer 1" Stud 5 X 4 1/2 Galvanized Trailer Hub Kit

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CE Smith #ad - 1. 98 inch hub inner diameter. 5-9/16 inch wheel Flange diameter. 12 inch maximum wheel size. 1 inch Straight shaft. 5 stud x 4. 5 inch bolt circle diameter.
BrandCE Smith #ad
ManufacturerCE Smith Company #ad
Height4 Inches
Length9 Inches
Weight7.7 Pounds
Width8 Inches
Part Number13215
Model13215
WarrantyOne Year Warranty

7. Sturdy Built

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6 1/4" Long, Sturdy Built Tandem Axle Galvanized U Bolt Kit for mounting Boat Trailer Leaf Springs for 2x3 axle

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Sturdy Built #ad - The included u bolts and plates are designed to fit around a 2 inch by 3 inch Square Boat Trailer Axle. Square u bolt size: 1/2 inch diameter x 2 inch Inside Width x 6 1/4 inch Inside Length. All hot-dipped galvanized parts, perfect for Fresh Water or Saltwater Boat Trailers, or Utility/Land Trailers in Icy or Coastal locations. Complete tandem axle kit: includes all of the galvanized Hardware and Parts Pictured. Enough u bolts and plates to mount 2 Axles to Your Tandem Axle Trailer. Fits a 2x3 square axles.
BrandSturdy Built #ad
ManufacturerSturdy Built #ad
Part Number24405-2-K

8. Sturdy Built

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Sturdy Built Single Axle Galvanized U Bolt Kit for mounting Boat Trailer Leaf Springs for 2x2 axle, 4 13/16" Long

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Sturdy Built #ad - All hot-dipped galvanized parts, perfect for Fresh Water or Saltwater Boat Trailers, or Utility/Land Trailers in Icy or Coastal locations. Square u bolt size: 1/2 inch diameter x 2 inch Inside Width x 4 13/16 inch Inside Length. Enough u bolts and plates to mount a Single Axle to Your Trailer. Complete single axle kit: includes all of the Galvanized Hardware and Parts Pictured. Fits a 2x2 square axle. The included u bolts and plates are designed to fit around a 2 inch by 2 inch Square Boat Trailer Axle.
BrandSturdy Built #ad
ManufacturerSturdy Built #ad
Part Number24402-K

9. Rockwell American

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Rockwell American 3,500lb Trailer Axle U-Bolt Kit | Fits 2 3/8" Round Axles and 1.75" Wide Springs

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Rockwell American #ad - 2 - u-bolt Plates. Mount your round 2-3/8" diameter trailer Axle to Your Trailer's Leaf Springs with this U-Bolt Kit. 8 - 1/2" flanged Nuts. 4 - u-bolts 1/2" 20 x 5. 50" long.
BrandRockwell American #ad
ManufacturerRockwell American #ad
Part NumberLBL001
Model4202HD, 9100045, APK-27231, APUBR1

10. Southwest Wheel

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Southwest Wheel 3,500 lbs. Dual Trailer Axle Suspension Kit Leaf Springs, Hanger & U-Bolt kit

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Southwest Wheel #ad - One tandem hanger kit. Four 4-leaf double eye spring 25 1/4" eye to Eye, 1 3/4" wide, 1750 lbs. Two 2 3/8" round ubolt kit. Capacity each.
BrandSouthwest Wheel #ad
ManufacturerSOUTHWEST WHEEL #ad
Weight75 Pounds
Part Number3500-KIT-TANDEM