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U-Bolts

Zinc plated u-bolts for utility trailers, horse trailers, boat trailers, and light-duty trailers. Square and Round 1/2 inch diameter ubolts available for 1-3/4 inch, 2 inch, 2-3/8 inch, and 3 inch trailer axles.

Found 54 Matching Products
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Grid List
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Trailer U-Bolt – 2 inch wide Square Axle, 9/16 inch, Galvanized 175211
SKU 175211
$5.95
Trailer U-Bolt | Plain Finish with Nuts | Square Bend | 2 inch Wide, 5-3/4 Inch Long, 9/16 Inch Rod

The Redline 175211 U-bolt is designed to attach your square 2 inch wide axle to your leaf springs. 5-3/4 inch long, 9/16-18, pain finish.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Square
  • Width:2 inch
  • Length:5-3/4 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 175211
Trailer U-Bolt – 5 inch wide Round Axle, 8-7/8 Inch Long, 5/8 Inch Rod, Plain Finish with Nuts 11-77
SKU 11-77
$9.49
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 5 inch Wide, 8-7/8 Inch Long, 5/8 Inch Rod

The Redline U-bolt 11-77 is designed to attach your round 5 inch diameter axle to your leaf springs. 8-7/8 inch long, 5/8-11 rod.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:5 inch
  • Length:8-7/8 inch
  • Diameter:5/8 inch
  • Thread Size:11 per inch
  • Application:For 10,000 lbs. axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 11-77
Trailer U-Bolt – 1-3/4 inch wide Square Axle, 5 Inch Long, 9/16 Inch Rod, Plain Finish with Nuts 175130
SKU 175130
$5.99
Trailer U-Bolt | Plain Finish with Nuts | Square Bend | 1-3/4 inch Wide, 5 Inch Long, 9/16 Inch Rod

The Redline U-bolt 175130 is designed to attach your square 1-3/4 inch diameter axle to your leaf springs. 5 inch long, 9/16-18 rod.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Square
  • Width:1-3/4 inch
  • Length:5 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Application:For 1-3/4 inch square tubing
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 175130
Trailer U-Bolt Kit for 3 inch wide Round Axle, 7 Inch Long, 1-3/4 or 2 Inch Spring, Plain Finish APUBR-8
SKU APUBR-8
$22.95
Trailer U-Bolt Kit | Plain Finish | Round Bend | 3 inch Wide, 7 Inch Long, 1-3/4 or 2 Inch Leaf Spring

The Redline U-bolt Kit APUBR-8 is designed to attach your trailer's leaf springs to your round, 3 inch diameter axle.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:3 inch
  • Length:7 inch
  • Diameter:1/2 inch
  • Thread Size:20 per inch
  • Application:For 5,200 to 7,000 pound axles
  • MPN: APUBR-8
Trailer U-Bolt – 3-1/2 inch wide Round Axle, 8 Inch Long, 9/16 Inch Rod, Plain Finish with Nuts 11-65
SKU 11-65
$6.99
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 3-1/2 inch Wide, 8 Inch Long, 9/16 Inch Rod

The Redline U-bolt 11-65 is designed to attach your round 3-1/2 inch diameter axle to your leaf springs. 8 inch long, 9/16-18 rod. Includes two nuts.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:3-1/2 inch
  • Length:8 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Application:For 8,000 lbs. axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 11-65
Trailer U-Bolt Kit, 2-3/8 inch wide, 5-1/4 Inch Long, 3/8 Inch Rod, Zinc Finish 382385UB
SKU 382385UB
$11.95
Trailer U-Bolt Kit | Zinc Finish | Square Bend | 2-3/8 inch Wide, 5-1/4 Inch Long, 3/8 Inch Rod

The Redline U-bolt kit 382385UB is designed to simplify attachment of hardware to square trailer frames.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishZinc
  • Bend:Square
  • Width:2-3/8 inch
  • Length:5-1/4 inch
  • Diameter:3/8 inch
  • MPN: 382385UB
Trailer U-Bolt Kit, 1-3/4 inch wide Square Axle, 5 Inch Long, 9/16 Inch Rod, Plain Finish SP01-140
SKU SP01-140
$12.19
Trailer U-Bolt Kit | Plain Finish | Square Bend | 1-3/4 inch Wide, 5 Inch Long, 9/16 Inch Rod

The Redline Square U-bolt Kit SP01-140 is designed to simplify attachment of hardware to square trailer frames.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Square
  • Width:1-3/4 inch
  • Length:5 inch
  • Diameter:9/16 inch
  • Note:Generic image, product may vary.
  • MPN: SP01-140
Trailer U-Bolt Kit, 3 inch wide Round Axle, 7-1/4 Inch Long, 9-16 Inch Rod, Plain Finish SP01-080
SKU SP01-080
$13.99
Trailer U-Bolt Kit | Plain Finish | Round Bend | 3 inch Wide, 7-1/4 Inch Long, 9/16 Inch Rod

The Redline Round U-bolt Kit SP01-080 is designed to simplify attachment of hardware to round trailer frames. 3 inch wide, 7-1/4 inch long, 9/16 rod.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:3 inch
  • Length:7-1/4 inch
  • Diameter:9/16 inch
  • MPN: SP01-080
Trailer U-Bolt Kit for 3 inch wide Round Axle, 7-1/4 Inch Long, 1-3/4 or 2 Inch Spring, Plain Finish APUBR-9
SKU APUBR-9
$22.95
Trailer U-Bolt Kit | Plain Finish | Round Bend | 3 inch Wide, 7-1/4 Inch Long, 1-3/4 or 2 Inch Leaf Spring

The Redline U-bolt Kit APUBR-9 is designed to attach your trailer's leaf springs to your round, 3 inch diameter axle.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:3 inch
  • Length:7-1/4 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Application:For 5,200 to 7,000 pound axles
  • MPN: APUBR-9
Trailer U-Bolt – 5 inch wide Round Axle, 9-1/2 Inch Long, 5/8 Inch Rod, Plain Finish with Nuts 091148
SKU 091148
$14.99
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 5 inch Wide, 9-1/2 Inch Long, 5/8 Inch Rod

The Redline U-bolt 091148 is designed to attach your round 5 inch diameter axle to your leaf springs. 9-1/2 inch long, 5/8-11 rod. Includes two nuts.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:5 inch
  • Length:9-1/2 inch
  • Diameter:5/8 inch
  • Thread Size:11 per inch
  • Application:For 10,000 lbs. Hayes axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 091148
Trailer U-Bolt – 5 inch wide Round Axle, 9-5/8 Inch Long, 3/4 Inch Rod, Plain Finish with Nuts 11-70
SKU 11-70
$12.99
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 5 inch Wide, 9-5/8 Inch Long, 3/4 Inch Rod

The Redline U-bolt 11-70 is designed to attach your round 5 inch diameter axle to your leaf springs. 9-5/8 inch long, 3/4-10 rod.   Details

Availability: Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:5 inch
  • Length:9-5/8 inch
  • Diameter:3/4 inch
  • Thread Size:10 per inch
  • Application:For 12,000 and 15,000 lbs. axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 11-70
U-Bolt Nut - 1/2 Inch, Plain Finish 12N
SKU 12N
$0.57
Flanged Hex Nut | 1/2 Inch-20 | Plain Finish

Redline 1/2 inch diameter flanged nut is designed for use with U-bolts and other general applications. 20 threads per inch, plain finish.   Details

Availability: Typically ships in 3 to 4 business days.
  • Size:1/2 inch
  • Thread Size:20 per inch
  • FinishPlain
  • MPN: 12N

U-Bolts Reviews

Out of 3 reviews, the average customer rating for U-Bolts: 5 out of 5.

lock nut sln1011 reviewer
U-Bolts - L&H SLN1011 Rating: 5 Stars

Yes

very pleased with Michigan spring

Read the Review

lock nut sln912 reviewer
U-Bolts - L&H SLN912 Rating: 5 Stars

Yes

very happy with my purchase

Read the Review

lock nut sln912 reviewer
U-Bolts - L&H SLN912 Rating: 5 Stars

Everything Was Fine

Everything was fine

Read the Review

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