A U-bolt is a u-shaped double ended bolt used to attach leaf springs to an axle. McAllister manufactures U-Bolts for automobiles, light & heavy duty trucks and trailers, as well as for industrial applications.

Fully manufactured and heat-treated alloy steel Grade 8 U-bolts range from 5/8" to 2" diameter with National Coarse or National Fine threads. Cold bent, hi-tensile U-bolts ranging from 3/8" to 1 1/4" diameter are also available.

Orders for U-bolts can usually be completed in one day. Metric sizes and metric threads are available on request, we also make custom U-bolts.