KS B ISO 2857:2013 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
2013KS B ISO 2857:2013 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
0000 KS B ISO 2857-2005(2010)
2005KS B ISO 2857:2005 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