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.
Tolerances on the threaded portion of taps - Part 3: Ground taps for pipe thread (G) according to DIN EN ISO 228-1 and pipe thread (Rp) according to DIN EN 10226-1 - Manufacturing tolerances on the threaded portion— 11 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.