Manufacturing Specification for Studs, Bolts and Screws in BS HR650, EN2398, EN2399 & EN3639 Material, 900 Mpa (130,000 lbf/in²) Tensile at Room Temperature, (for which forging is optional & qualification not a requirement)
Data Sheet by SAE ITC TSC Aerospace Standards (Formerly ADS Group Limited), 12/01/2004