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 P3 60 20 40 P2 40 20 20 P6 120 80 40 P4 80 60 20 SL P7 140 100 40 P5 100 80 20 cutting tap cutting tap P8 160 120 40 P6 120 100 20 M39×4 39.000 36.402 34.670 M40×1.5 40.000 39.026 38.376 ISO1 71 24 47 ISO1 48 16 32 ISO2 118 71 47 ISO2 80 48 32 PO ISO2X 148 101 47 ISO2X 105 73 32 ISO3 165 118 47 ISO3 112 80 32 P3 60 20 40 P3 60 20 40 P5 100 60 40 P6 120 80 40 cutting tap P7 140 100 40 P7 140 100 40 ST cutting tap M39×3 ISO1 39.000 37.051 64 21 43 35.752 P8 160 120 40 M42×4.5 42.000 39.077 37.129 ISO2 106 64 42 ISO1 75 25 50 ISO2X 136 94 42 ISO2 125 75 50 ISO3 148 106 42 ISO2X 155 105 50 ROLL P3 60 20 40 ISO3 175 125 50 P4 80 40 40 P3 60 20 40 cutting tap P6 120 80 40 P6 120 80 40 M39×2 ISO1 39.000 37.701 54 18 36 36.835 P7 140 100 40 cutting tap CARBIDE ISO2 90 54 36 P8 160 120 40 M42×4 42.000 39.402 37.670 ISO2X 115 79 36 ISO1 71 24 47 ISO3 126 90 36 ISO2 118 71 47 P2 40 20 20 ISO2X 148 101 47 LONG P4 80 60 20 ISO3 165 118 47 P5 100 80 20 P3 60 20 40 cutting tap P6 120 100 20 P5 100 60 40 M39×1.5 39.000 38.026 37.376 cutting tap ISO1 48 16 32 P7 140 100 40 HAND ISO2 80 48 32 M42×3 ISO1 42.000 40.051 64 21 43 38.752 TAPS ISO2X 105 73 32 ISO2 106 64 42 ISO3 112 80 32 ISO2X 136 94 42 P2 40 20 20 ISO3 148 106 42 P3 60 40 20 P3 60 20 40 EG (STI) cutting tap P4 80 60 20 P4 80 40 40 cutting tap M39×1 ISO1 39.000 38.350 40 14 26 37.917 P6 120 80 40 ISO2 66 40 26 M42×2 ISO1 42.000 40.701 54 18 36 39.835 SPECIAL ISO2X 86 60 26 ISO2 90 54 36 THREADS, ISO3 92 66 26 ISO2X 115 79 36 GAUGES P3 60 20 40 ISO3 126 90 36 P5 100 60 40 P2 40 20 20 cutting tap P7 140 100 40 P4 80 60 20 THREAD M40×3 ISO1 40.000 38.051 64 21 43 36.752 P5 100 80 20 MILLS cutting tap ISO2 106 64 42 P6 120 100 20 M42×1.5 42.000 41.026 40.376 ISO2X 136 94 42 ISO1 48 16 32 ISO3 148 106 42 ISO2 80 48 32 DIES P3 60 20 40 ISO2X 105 73 32 P4 80 40 40 ISO3 112 80 32 cutting tap P6 120 80 40 P2 40 20 20 M40×2 ISO1 40.000 38.701 54 18 36 37.835 P3 60 40 20 CENTER cutting tap ISO2 90 54 36 P4 80 60 20 DRILLS ISO2X 115 79 36 M42×1 ISO1 42.000 41.350 40 14 26 40.917 ISO3 126 90 36 ISO2 66 40 26 ISO2X 86 60 26 Technical ISO3 92 66 26 info 672