
10. Tap Thread Limits (JIS, DIN, ANSI) Intro Metric Threads (M, MF) Unit: mm Major Minor Major Minor Pitch Diameter Pitch Diameter Kind diameter diameter Kind diameter diameter SP Size of Class Upper Lower Tolerance Basic Size of Class Upper Lower Tolerance Basic tap Basic Basic Tolerance tap Basic Basic Tolerance Size Size (μm) + Tolerance Size Size (μm) + Tolerance (μm) + (μm) Size (μm) + (μm) Size P2 40 20 20 P2 40 20 20 P4 80 60 20 P3 60 40 20 SL cutting tap P5 100 80 20 P5 100 80 20 cutting tap P6 120 100 20 M18×1.5 ISO1 18.000 17.026 45 15 30 16.376 ISO1 51 17 34 ISO2 75 45 30 ISO2 85 51 34 ISO2X 100 70 30 PO ISO2X 110 76 34 ISO3 105 75 30 M16×2 ISO3 16.000 14.701 119 85 34 13.835 P2 40 20 20 G10 127 114 13 P3 60 40 20 cutting tap G12 152 140 12 P4 80 60 20 forming tap G14 178 165 13 M18×1 ISO1 18.000 17.350 38 13 25 16.917 ST ISO2X 152 140 12 ISO2 63 38 25 ISO3X 178 165 13 ISO2X 83 58 25 G12 156 115 41 ISO3 88 63 25 G14 182 141 41 P2 40 20 20 ROLL P2 40 20 20 P4 80 60 20 P3 60 40 20 P5 100 80 20 cutting tap cutting tap P5 100 80 20 P6 120 100 20 M20×2.5 20.000 18.376 17.294 ISO1 45 15 30 ISO1 54 18 36 CARBIDE ISO2 75 45 30 ISO2 90 54 36 ISO2X 100 70 30 ISO2X 115 79 36 M16×1.5 16.000 15.026 14.376 ISO3 105 75 30 ISO3 126 90 36 G9 114 102 13 P2 40 20 20 LONG forming tap G10 127 114 13 P4 80 60 20 G12 152 140 12 P5 100 80 20 cutting tap ISO2X 127 114 13 P6 120 100 20 M20×2 20.000 18.701 17.835 ISO3X 152 140 12 ISO1 51 17 34 HAND P2 40 20 20 ISO2 85 51 34 TAPS P3 60 40 20 ISO2X 110 76 34 cutting tap P4 80 60 20 ISO3 119 85 34 ISO1 38 13 25 P2 40 20 20 ISO2 63 38 25 P3 60 40 20 EG (STI) cutting tap M16×1 ISO2X 16.000 15.350 83 58 25 14.917 P5 100 80 20 ISO3 88 63 25 M20×1.5 ISO1 20.000 19.026 45 15 30 18.376 G8 102 89 13 ISO2 75 45 30 forming tap SPECIAL G10 127 114 13 ISO2X 100 70 30 THREADS, ISO2X 102 89 13 ISO3 105 75 30 GAUGES ISO3X 127 114 13 P2 40 20 20 P2 40 20 20 P3 60 40 20 cutting tap P4 80 60 20 P4 80 60 20 THREAD P5 100 80 20 M20×1 ISO1 20.000 19.350 38 13 25 18.917 MILLS cutting tap P6 120 100 20 ISO2 63 38 25 M18×2.5 18.000 16.376 15.294 ISO1 54 18 36 ISO2X 83 58 25 ISO2 90 54 36 ISO3 88 63 25 DIES ISO2X 115 79 36 P2 40 20 20 ISO3 126 90 36 P4 80 60 20 cutting tap P2 40 20 20 P6 120 100 20 P4 80 60 20 M22×2.5 ISO1 22.000 20.376 54 18 36 19.294 CENTER P5 100 80 20 ISO2 90 54 36 cutting tap DRILLS P6 120 100 20 ISO2X 115 79 36 M18×2 18.000 16.701 15.835 ISO1 51 17 34 ISO3 126 90 36 ISO2 85 51 34 Technical ISO2X 110 76 34 info ISO3 119 85 34 668