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Axle U-Bolts & U-Bolt Kits
Trailer U-Bolts & U-Bolt Kits are used to mount a square or round axle to the trailer's leaf springs. U-bolts are round, square and come with a variety of sizes and finished. Browse the large selection of top quality siraweb.com U-bolts & U-bolt kits from top brands. Low prices, fast shipping and no hassle returns, order today!
Trailer Axle Round U-Bolt 1/2", 20 threads, CE Smith 21000ZY
Round trailer axle U-Bolt, yellow zinc coated to resist rust and corrosion. Diameter: 1/2 inch, threading: 20, distance between legs: 3.15 inches, leg length: 7 inches. Sold each, nuts and washers sold separately.
$6.99
$4.49
Trailer Axle Round U-Bolt 3/8", 16 threads, CE Smith 21008ZN
Round trailer axle U-Bolt, yellow zinc coated to resist rust and corrosion. Diameter: 3/8 inch, threading: 16, distance between legs: 1.92 inches, leg length: 4 inches. Sold each, nuts and washers sold separately.
$3.99
$2.49
Trailer Axle Round U-Bolt, 1.75" by 4.25", Reliable Machine UB-R-120
Single Round Trailer Axle U-Bolt, zinc plated. Bolt Diameter: 1/2", between legs: 1-3/4", leg length: 4-1/4", thread length: 2". Sold each. Nuts and Washers are NOT included.
$10.49
$7.49
Trailer Axle Round U-Bolt, 2 .5" by 5.25", Reliable Machine UB-R-220
Single Round Trailer Axle U-Bolt, zinc plated. Bolt Diameter: 1/2", between legs: 2.5", leg length: 5.25", thread length: 2.25". Sold each. Nuts and Washers are NOT included.
$11.49
$7.49
Trailer Axle Round U-Bolt, 3.1" by 6", Reliable Machine UB-R-320
Single Round Trailer Axle U-Bolt, zinc plated. Bolt Diameter: 1/2", between legs: 2", leg length: 6", thread length: 2". Sold each. Nuts and Washers are NOT included.
$8.99
$6.99
Trailer Axle Round U-Bolt, 3.1" by 7", Reliable Machine UB-R-322
Single Round Trailer Axle U-Bolt, zinc plated. Bolt Diameter: 1/2", between legs: 3-1/8", leg length: 7", thread length: 2". Sold each. Nuts and Washers are NOT included.
$8.99
$5.99
Trailer Axle Round U-Bolt, 3/8" by 4.25", Martin Wheel 11-54
Single Round Trailer Axle U-Bolt, zinc plated. Rod size: 3/8", threading 24. Leg span: 1-7/8". Leg length: 4-1/4". Thread length: 1-3/4". Sold each. Lock nuts and washers NOT included.
$4.99
$2.99
Trailer Axle Square U-Bolt 1/2", 20 threads, CE Smith 22017ZY
Round trailer axle U-Bolt, yellow zinc coated to resist rust and corrosion. Diameter: 1/2 inch, threading: 20, distance between legs: 2.12 inches, leg length: 4.5 inches. Sold each, nuts and washers sold separately.
$6.99
$4.49
Trailer Axle Square U-Bolt 3/8", 16 threads, CE Smith 22003ZY
Round trailer axle U-Bolt, yellow zinc coated to resist rust and corrosion. Diameter: 3/8 inch, threading: 16, distance between legs: 1.67 inches, leg length: 3-3/8 inches. Sold each, nuts and washers sold separately.
$5.99
$3.49
Trailer Axle Square U-Bolt Kit, 2.1" by 4", Tie Down Eng 86204
Trailer Axle U-Bolt Kit includes 2 square zinc plated U-Bolts, 4 lock nuts and 4 washers. Rod size: 1/2", threading: 13, Leg span: 2-1/8", Leg length: 4", Thread length: 2".
$16.49
$10.99
Trailer Axle Square U-Bolt Kit, 4.1" by 2.8", Tie Down Eng LR86234
Trailer Axle U-Bolt Kit includes 2 square zinc plated U-Bolts, 4 lock nuts and 4 washers. Rod size: 7/16", threading 14, Leg span: 4-1/16", Leg length: 2-13/16", Thread length: 1-3/4".
$8.99
$5.99
Trailer Axle Square U-Bolt Kit, 4.1" by 3", Tie Down Eng LR86207
Trailer Axle U-Bolt Kit includes 2 square zinc plated U-Bolts, 4 lock nuts and 4 washers. Rod size: 1/2", threading 13, Leg span: 4-1/8", Leg length: 3", Thread length: 2".
$10.99
$6.99
Trailer Axle Square U-Bolt, 1.6" by 3.6", Tie Down Eng 10989Z
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading 14. Between legs: 1-9/16". Thread length: 3-9/16", Leg length: 2". Sold each, lock nuts and washers are NOT included.
$3.99
$2.49
Trailer Axle Square U-Bolt, 1.6" by 4.1", Tie Down Eng 10991Z
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 1/2", threading: 13. Between legs: 1-9/16". Leg length: 4-1/16", Thread length: 2". Sold each, lock nuts and washers are NOT included.
$3.99
$2.49
Trailer Axle Square U-Bolt, 2.1" by 4", CE Smith 15251
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading: 14. Between legs: 2-1/8", Leg length: 4", Thread length: 2". Sold each, lock nuts and washers are NOT included.
$10.99
$6.99
Trailer Axle Square U-Bolt, 2.1" by 4", Tie Down Eng 84503Z
Single Square Trailer Axle U-Bolt, zinc plated.. Rod size: 1/2", threading: 13. Between legs: 2-1/8". Leg length: 4", Thread length: 2". Sold each, lock nuts and washers are NOT included.
$3.99
$2.49
Trailer Axle Square U-Bolt, 2.1" by 4.5", Reliable Machine UB-S-220
Single Round Trailer Axle U-Bolt, zinc plated. Bolt Diameter: 1/2 inch, Between Legs: 2-1/8 inches, Leg Length: 4-1/2 inches, Thread Length: 2 inches. Sold Each. Lock nuts and washer are NOT included.
$7.49
$4.99
Trailer Axle Square U-Bolt, 2.2" by 4.8", Tie Down Eng 84406Z
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 1/2", threading: 13. Between legs: 2-1/16". Leg length: 4-13/16", Thread length: 2". Sold each, lock nuts and washers are NOT included.
$4.49
$2.99
Trailer Axle Square U-Bolt, 3.1" by 2.8", Quality Trailer US7301213Y
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading: 14. Between legs: 3-1/16". Leg length: 2-13/16". Thread length: 2". Sold each, lock nuts and washers are NOT included.
$2.99
$1.99
Trailer Axle Square U-Bolt, 3.1" by 3", CE Smith 15252
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading: 14. Between legs: 3-1/8", Leg length: 3", Thread length: 2-1/4". Sold each, lock nuts and washers are NOT included.
$2.99
$1.99
Trailer Axle Square U-Bolt, 3.1" by 4", CE Smith 15253
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading: 14. Between legs: 3-1/8", Leg length: 4", Thread length: 2-1/4". Sold each, lock nuts and washers are NOT included.
$10.99
$6.99
Trailer Axle Square U-Bolt, 3.1" by 4", Tie Down Eng 84470Z
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 1/2", threading: 13. Between legs: 3-1/8". Leg length: 4", Thread length: 2". Sold each, lock nuts and washers are NOT included.
$4.49
$2.99
Trailer Axle Square U-Bolt, 3.1" by 4.3", Quality Trailer US7301405Y
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading: 14. Between legs: 3-1/16". Leg length: 4-5/16". Thread length: 2". Sold each, lock nuts and washers are NOT included.
$2.99
$1.99
Trailer Axle Square U-Bolt, 3.1" by 4.3", Tie Down Eng 83703Z
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading: 14. Between legs: 3-1/16". Leg length: 4-5/16", Thread length: 2". Sold each, lock nuts and washers are NOT included.
$3.99
$2.49
Trailer Axle Square U-Bolt, 4.1" by 2.8", Tie Down Eng 83704Z
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading: 14. Between legs: 4-1/16". Leg length: 2-13/16", Thread length: 1-3/4". Sold each, lock nuts and washers are NOT included.
$2.99
$1.99
Trailer Axle Square U-Bolt, 4.1" by 3", CE Smith 15254
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 7/16", threading: 14. Between legs: 4-1/8", Leg length: 3", Thread length: 2-1/4". Sold each, lock nuts and washers are NOT included.
$5.99
$3.49
Trailer Axle Square U-Bolt, 4.1" by 3", Tie Down Eng 10983Z
Single Square Trailer Axle U-Bolt, zinc plated. Rod size: 1/2", threading: 13. Between legs: 4-1/8". Leg length: 3", Thread length: 2". Sold each, lock nuts and washers are NOT included.
$4.49
$2.99
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