d1 d2 a Short machine taps G Whitworth pipe thread G, DIN-ISO 228 550 1 P l1 HSS l2 DIN 5157 P M K Material groups N S H Hole type < 1,5d Quality of material HSS Coating Chamfer ~3P Norma DIN-5157 G Ć d1 1''/P P l1 l2 l 3 Ć d2 a Tol. INDEX E1-131001 G1/16 7,723 28 0,907 56 22 - 6 4,9 6,80 3121 G1/8 9,728 28 0,907 63 20 - 7 5,5 8,80 3123 G1/4 13,157 19 1,337 70 22 - 11 9,0 11,80 3127 G3/8 16,662 19 1,337 70 22 - 12 9,0 15,25 3129 G1/2 20,955 14 1,814 80 22 - 16 12,0 19,00 3131 G5/8 22,911 14 1,814 80 22 - 18 14,5 21,00 3133 G3/4 26,441 14 1,814 90 22 - 20 16,0 24,50 3135 G7/8 30,201 14 1,814 90 22 - 22 18,0 28,25 3137 G1 33,249 11 2,309 100 25 - 25 20,0 30,75 3139 G1.1/8 37,897 11 2,309 125 36 - 28 22,0 35,50 3141 G1.1/4 41,910 11 2,309 125 36 - 32 24,0 39,50 3143 G1.3/8 44,323 11 2,309 125 36 - 36 29,0 41,75 3145 G1.1/2 47,803 11 2,309 140 40 - 36 29,0 45,25 3147 G1.3/4 53,769 11 2,309 140 40 - 40 32,0 51,00 3151 G2 59,614 11 2,309 160 40 - 45 35,0 57,00 3155 ISO Vc (m/min) P 5-20 M - K - N - S - Example of order Available from stock E1-131001-3127 On request 79 Tap G-1/4'' DIN-5157 HSS