Bolts, Screws, Nuts and Similar Threaded and Formed Parts; Technical Conditions of Delivery; Property Classes and Test Methods for Nuts of Unalloyed or Low Alloy Steels— 13 стр.
Fasteners - Technical specifications - Part 13: Parts for bolted connections with specific mechanical properties for use at temperatures ranging from -200 °C to +700 °C— 12 стр.