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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 48 Matching Products
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  1. Trailer U-Bolt
  1. Nut
  1. 4 inch
  2. 4-1/4 inch
  3. 5 inch
  1. 5-5/16 inch
  2. 5-1/2 inch
  3. 5-3/4 inch
  1. 6-1/2 inch
  2. 7 inch
  3. 7-1/4 inch
  1. 7-3/4 inch
  2. 8 inch
  3. 8-1/8 inch
  1. 8-7/8 inch
  2. 9 inch
  3. 9-1/2 inch
  1. 9-5/8 inch
  1. 1-1/2 inch
  2. 1-3/4 inch
  1. 2 inch
  2. 2-1/8 inch
  1. 2-3/8 inch
  2. 2-1/2 inch
  1. 3 inch
  2. 3-1/16 inch
  1. 3-1/8 inch
  2. 3-1/2 inch
  1. 4 inch
  2. 5 inch
  1. 3/8 inch
  1. 7/16 inch
  1. 1/2 inch
  1. 9/16 inch
  1. 5/8 inch
  1. 3/4 inch
  1. Fine
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  1. TPI
  1. UNC
  1. 10 per inch
  1. 11 per inch
  1. 13 per inch
  1. 18 per inch
  1. 20 per inch
  1. 24 per inch
  1. Yes
Grid List
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SKU 38N
$0.43
Hex Nut | 3/8 Inch-24 | Plain Finish

Redline 3/8 inch diameter hex nut is designed for use with U-bolts, brake bolts, center bolts and ma...   Details

20+ In Stock
  • Size:3/8 inch
  • Thread Size:24 per inch
  • FinishPlain
  • MPN: 38N
SKU 175130
$7.22
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 sp...   Details

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
SKU SP01-120
$14.13
Trailer U-Bolt Kit | Plain Finish | Square Bend | 1-1/2 inch Wide, 5 Inch Long, 1/2 Inch Rod

The Redline Square U-bolt Kit SP01-120 is designed to simplify attachment of hardware to square trai...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Square
  • Width:1-1/2 inch
  • Length:5 inch
  • Diameter:1/2 inch
  • Note:Generic image, product may vary.
  • MPN: SP01-120
SKU 175211
$14.95
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.   Details

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. Price is per u-bolt, sold individually.
  • MPN: 175211
SKU 11-70
$19.22
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.   Details

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
SKU 176400
$6.53
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 2-3/8 inch Wide, 5-1/2 Inch Long, 1/2 Inch Rod

The Redline U-bolt 176400 is designed to attach your round 2-3/8 inch diameter axle to your leaf spr...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:2-3/8 inch
  • Length:5-1/2 inch
  • Diameter:1/2 inch
  • Thread Size:20 per inch
  • Application:For 3,500 lbs. axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 176400
SKU 091148
$19.75
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...   Details

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
SKU 11-65
$10.13
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 spri...   Details

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
SKU 11-77
$13.13
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.   Details

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
SKU 175666
$13.53
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 3-1/2 inch Wide, 9 Inch Long, 9/16 Inch Rod

The Redline U-bolt 175666 is designed to attach your round 3-1/2 inch diameter axle to your leaf spr...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:3-1/2 inch
  • Length:9 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Application:For 8,000 lbs. axles with 10 leaf spring
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 175666
SKU 7162184UB
$18.62
Trailer U-Bolt Kit | Zinc Finish | Square Bend | 2-1/8 inch Wide, 4 Inch Long, 7/16 Inch Rod

The Redline U-bolt kit 7162184UB is designed to simplify attachment of hardware to square trailer fr...   Details

Typically ships in 3 to 4 business days.
  • FinishZinc
  • Bend:Square
  • Width:2-1/8 inch
  • Length:4 inch
  • Diameter:7/16 inch
  • Note:Generic image, product may vary.
  • MPN: 7162184UB
SKU SP01-020
$7.80
Trailer U-Bolt Kit | Plain Finish | Round Bend | 1-3/4 inch Wide, 4-1/4 Inch Long, 3/8 Inch Rod

The Redline Round U-bolt Kit SP01-020 is designed to simplify attachment of hardware to round traile...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:1-3/4 inch
  • Length:4-1/4 inch
  • Diameter:3/8 inch
  • MPN: SP01-020

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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