Tag Archives: heavy hex

High Strength Carriage Bolts

Can a carriage bolt be supplied to the A325 specification?

Technically, carriage bolts cannot be manufactured to the A325 specification. The A325 specification in section 1.1 states, “This specification covers two types of quench and tempered steel heavy hex structural bolts.” Section 1.5 states, “This specification is applicable to heavy hex structural bolts only. For bolts with other configurations and thread lengths with similar mechanical... Read more