Manufacturing Specification for Studs, Bolts and Screws in DTD5639, EN2959 & EN3220 Material. 1210 Mpa (175,000 lbf/in²) Tensile at room temperature (for which forging is optional & qualification Is not a requirement
Data Sheet by SAE ITC TSC Aerospace Standards (Formerly ADS Group Limited), 12/01/2004
