ISO general purpose metric screw threads - Tolerances - Part 2: Limits of sizes for general purpose external and internal screw threads; medium quality (ISO 965-2:1998)— 7 стр.
Fasteners - Preloading test for the detection of hydrogen embrittlement - Parallel bearing surface method (ISO 15330:1999); German version EN ISO 15330:1999— 11 стр.