In the presence of the steel taps in the following sizes:
15 / 21,3 * 2,9; 15 / 21,3 * 3,2; 20 / 26,9 * 3,5; 20 / 26,9 * 4,0; 25/32 * 3,2; 25 / 33,7 * 4,0; 32 / 38,0 * 4,0; 32 / 38,0 * 4,0; 32 / 42,4 * 3,5; 32 / 42,4 * 3,6; 32 / 42,4 * 4,0; 40 / 44,5 * 4,0; 40 / 44,5 * 5,0; 40 / 44,5 * 6,3; 40 / 48,3 * 3,6; 40 / 48,3 * 4,0; 40 / 48,3 * 5,0; 40 / 48,3 * 6,3; 50 / 57,0 * 4,0; 50 / 57,0 * 4,0; 50 / 57,0 * 5,0; 50 / 57,0 * 6,0; 50 / 60,3 * 4,5; 50 / 60,3 * 6,0; 65 / 76,0 * 5,0; 65 / 76,1 * 10,0; 65 / 76,1 * 4,5; 65 / 76,1 * 6,0; 65 / 76,1 * 8,0; 80 / 89,0 * 10,0; 80 / 89,0 * 6,0; 100 / 101,6 * 6,0; 100 / 114,3 * 10; 100/114 * 8,0 etc.