Ground thread taps for ISO metric threads of tolerances 7G, 8G and special tolerances, coarse and fine pitches - Part 4: Manufacturing tolerances on the threaded portion— 6 стр.
Ground thread taps for ISO metric threads of tolerances 4H to 8H and 4G to 6G coarse and fine pitches; manufacturing tolerances on the threaded portion (ISO 2857:1973 incl. AMD 1:1984 and AMD 2:1986); german version EN 22857:1989— 19 стр.