Pair these U-bolts with axle tie plates (sold separately) to mount your 3" axle to your trailer's leaf springs.

This 5-3/8" long x 2-3/8" wide U-bolt works with a U-bolt plate and another U-bolt to help secure your 3,500-lb round trailer axle to its leaf springs. Galvanized steel is durable and corrosion resistant.

This 4-13/16" long x 1-3/4" wide U-bolt works with a U-bolt plate and another U-bolt to help secure your 2,000-lb round trailer axle to its leaf springs. Galvanized steel is durable and corrosion resistant.

This 6-11/16" long x 3-1/16" wide U-bolt works with a U-bolt plate and another U-bolt to help secure your 5,200-lb, 6,000-lb, or 7,000-lb round trailer axle to its leaf springs. Galvanized steel is durable and corrosion resistant.

Square Trailer U-Bolts

3" Round Trailer U-Bolts

5" Long U-bolt, in conjunction with a U-bolt plate and an additional U-bolt, attaches your square, 1-3/4" wide axle to your leaf springs.

This U-bolt, in conjunction with a U-bolt plate and an additional U-bolt, attaches your round, 10,000-lb axle to your leaf springs. Bolt is 8-7/8" long and has an inner width of 5".

This 5-1/2" long U-bolt works with a U-bolt plate and another U-bolt to help secure your 3,500-lb round trailer axle to its leaf springs. Bolt has an inner width of 2-3/8". 2 Nuts included.

This U-bolt, in conjunction with a U-bolt plate and an additional U-bolt, attaches your round, 8,000-lb axle to your leaf springs. Bolt is 8" long and has an inner width of 3-1/2".

This U-bolt, in conjunction with a U-bolt plate and an additional U-bolt, attaches your round, 7,500-lb axle to your leaf springs. Bolt is 7-3/4" long and has an inner width of 2-1/2".

This 5-1/4" long U-bolt works with a U-bolt plate and another U-bolt to help secure your 2" wide, square trailer axle to its leaf springs. Sturdy, zinc-plated steel resists corrosion.

This U-bolt, in conjunction with a U-bolt plate and an additional U-bolt, attaches your 12,000-lb or 15,000-lb, round axle to your leaf springs. Bolt is 9-5/8" long and has an inner width of 5".

This U-bolt, in conjunction with a U-bolt plate and an additional U-bolt, attaches your round, 9,000-lb axle to your leaf springs. Bolt is 8-1/8" long and has an inner width of 4".

5-3/4" Long U-bolt, in conjunction with a U-bolt plate and an additional U-bolt, attaches your square, 2" wide axle to your leaf springs.

5" Long U-bolt works with a U-bolt plate and another U-bolt to help secure your 1-1/2" wide, square trailer axle to its leaf springs. Raw finish.

This 5-1/2" long U-bolt works with a U-bolt plate and another U-bolt to help secure your 3,500-lb round trailer axle to its leaf springs. Sturdy, zinc-plated steel resists corrosion. 2 Nuts included.

This 4" long U-bolt works with a U-bolt plate and another U-bolt to help secure your 2" wide, square trailer axle to its leaf springs. Sturdy, zinc-plated steel resists corrosion.

This 4-1/4" long U-bolt works with a U-bolt plate and another U-bolt to help secure your 2,000-lb round trailer axle to its leaf springs. Sturdy, zinc-plated steel resists corrosion. 2 Nuts included.

This U-bolt, in conjunction with a U-bolt plate and an additional U-bolt, attaches your 5,200-lb, 6,000-lb or 7,000-lb, round axle to your leaf springs. Bolt is 7-1/4" long and has an inner width of 3".