ISO general purpose metric screw threads - Part 21: Limits of sizes for fine pitch threads with the preferred tolerance classes; Nominal diameter from 1 mm to 24,5 mm— 19 стр.
ISO general purpose metric screw threads - Part 22: Limits of sizes for fine pitch threads with the prefered tolerance classes; Nominal diameter from 25 mm to 52 mm— 18 стр.
ISO general purpose metric screw threads - Part 23: Limits of sizes for fine pitch threads with the prefered tolerance classes; Nominal diameter from 53 mm to 110 mm— 20 стр.