Tolerances for fasteners - Part 1, bolts, screws and nuts with thread diameters <grцЯer => 1,6 <kleiner => 150 mm and product grades A, B and C— 18 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.