The AUS-53S is a galvanised square U-bolt measuring 12mm rod diameter × 58mm internal width × 135mm internal length. In nominal imperial sizing, this corresponds to approximately 1/2" × 2-1/4" × 5-1/4". This size is well suited to boat and general trailer applications where a square U-bolt is required around approximately 58mm-wide RHS, chassis, suspension or mounting components.
Galvanised U-Bolts
U-Bolt Square 21/4" x 51/4" x 12mm (58mm x 135mm)
SKU: AUS-53S
$5.50
Key benefits
Key Benefits
- 12mm rod diameter
- 58mm internal width
- 135mm internal length
- Nominal 2-1/4" × 5-1/4" sizing
- Square U-bolt profile
- Galvanised steel construction
- Good corrosion resistance for boat-trailer environments
- Suitable for chassis, RHS and mounting brackets
- Suitable for trailer suspension and fish-plate applications where dimensions match
Dimensions
- Rod Diameter: 12mm / 0.472" (nominal 1/2")
- Internal Width: 58mm / 2.28" (nominal 2-1/4")
- Internal Length: 135mm / 5.31" (nominal 5-1/4")
Suitable Applications
- The AUS-53S is suitable for compatible boat trailers, box trailers and general-purpose trailers, including RHS/chassis mounting, axle and suspension assemblies, fish plates, spring mounting arrangements and other brackets requiring a square U-bolt.
- Always check the actual trailer section width, depth and available thread length before replacement.
Shipping
Ships Australia-wide