LST EN 22857-2001 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 + A1:1984 +A2:1986)
2001LST EN 22857-2001 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 + A1:1984 +A2:1986)