U Bolt Kit for 5,200-7,000 lbs trailer axle 3in round

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$34 USD
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U Bolt Kit for 5,200-7,000 lbs. 3" Round Trailer Axle, 7 1/8" Long, 1/2" Diameter, 3" Thread Pitch, for 1.75 or 2" Trailer Springs

U bolt kit for 5,200–7,000 lbs round axles with 3in beam diameter, 7 1/8in bolts, 1/2in diameter, and 3in thread pitch. Includes nuts, tie plates, and springs compatibility for 1.75 or 2in trailer springs. Customers note solid build and reliable functionality

Highlights

  • complete hardware set included
  • 3in round axle compatibility
  • 1/2in bolt diameter with 3in thread pitch

Pros

  • includes complete hardware set
  • solid build and reliable functionality
  • compatible with 1.75in or 2in trailer springs
  • suitable for 5,200–7,000 lbs axles
  • 4 x 7 1/8in long u bolts

Cons

  • no explicit compatibility beyond stated spring sizes
  • no materials specification provided
  • limited user feedback available

Best For

  • replacing trailer U bolts on light-to-medium duty axles
  • upgrading axle hardware for 5k–7k lbs trailers
  • spring-to-axle assembly for standard leaf springs
  • maintenance kit for trailer wheel alignment
  • repair kit for trailer suspension on compatible axles
  • bolting kit for 3in round axle assemblies

Features

  • For 5,200 - 7,000lbs round axle which axle beam dia 3"
  • 4 x 7 1/8" long U bolts
  • U bolts dia. 1/2"
  • 8 x 1/2"-20 hex nuts
  • 2 x tie plates for 1-3/4" leaf springs
  • For 1. 75 or 2" trailer springs
  • Torque (ft. lbs. ) minimum 65 maximum 75
  • Durable steel construction. Resistant to rust and corrosion

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