Scam Alert – an outsider is using a variant of our domain to send emails – steelsupply"L"nc.com. Please beware of any emails from this domain, it is not us.
Trustpilot

Ubolts

A U-bolt is a bolt in the shape of the letter U with screw threads on each end.

Originally, U-bolts were used to support pipework so they were measured using pipework terms. As a result, U-bolts are still described by the size of pipe they support.
Pipe Fittings U Bolts