A325X vs. A325 Bolt Head Markings
Do A325X bolts have a special marking on the head that would differentiate them from a standard A325?
headed bolts
Fastener Substitution Liability
What are the liability issues involved in substituting one fastener grade or configuration for another?
Headed Bolts vs Rod with a Nut
Can a threaded rod with a welded nut be substituted for a bolt with a forged head?