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 Size of Class Upper Lower Tolerance Basic Size of Class Upper Lower Tolerance Basic SP 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 P3 60 20 40 P6 120 80 40 P6 120 80 40 P7 140 100 40 P7 140 100 40 SL cutting tap cutting tap P8 160 120 40 P8 160 120 40 M33×3.5 33.000 30.727 29.211 M36×4 36.000 33.402 31.670 ISO1 67 22 45 ISO1 71 24 47 ISO2 112 67 45 ISO2 118 71 47 ISO2X 142 97 45 ISO2X 148 101 47 PO ISO3 157 112 45 ISO3 165 118 47 P3 60 20 40 P3 60 20 40 P5 100 60 40 P5 100 60 40 cutting tap cutting tap P7 140 100 40 P7 140 100 40 ST M33×3 ISO1 33.000 31.051 64 21 43 29.752 M36×3 ISO1 36.000 34.051 64 21 43 32.752 ISO2 106 64 42 ISO2 106 64 42 ISO2X 136 94 42 ISO2X 136 94 42 ISO3 148 106 42 ISO3 148 106 42 P3 60 20 40 P3 60 20 40 ROLL P4 80 40 40 P4 80 40 40 cutting tap cutting tap P6 120 80 40 P6 120 80 40 M33×2 ISO1 33.000 31.701 54 18 36 30.835 M36×2 ISO1 36.000 34.701 54 18 36 33.835 ISO2 90 54 36 ISO2 90 54 36 CARBIDE ISO2X 115 79 36 ISO2X 115 79 36 ISO3 126 90 36 ISO3 126 90 36 P2 40 20 20 P2 40 20 20 P4 80 60 20 P4 80 60 20 LONG P5 100 80 20 P5 100 80 20 cutting tap cutting tap P6 120 100 20 P6 120 100 20 M33×1.5 33.000 32.026 31.376 M36×1.5 36.000 35.026 34.376 ISO1 48 16 32 ISO1 48 16 32 ISO2 80 48 32 ISO2 80 48 32 HAND ISO2X 105 73 32 ISO2X 105 73 32 TAPS ISO3 112 80 32 ISO3 112 80 32 P2 40 20 20 P2 40 20 20 P3 60 40 20 P3 60 40 20 EG (STI) cutting tap cutting tap P4 80 60 20 P4 80 60 20 M33×1 ISO1 33.000 32.350 40 14 26 31.917 M36×1 ISO1 36.000 35.350 40 14 26 34.917 ISO2 66 40 26 ISO2 66 40 26 ISO2X 86 60 26 ISO2X 86 60 26 SPECIAL ISO3 92 66 26 ISO3 92 66 26 THREADS, GAUGES P2 40 20 20 P2 40 20 20 P4 80 60 20 P4 80 60 20 P5 100 80 20 P5 100 80 20 THREAD cutting tap cutting tap P6 120 100 20 P6 120 100 20 M35×1.5 35.000 34.026 33.376 M38×1.5 38.000 37.026 36.376 MILLS ISO1 48 16 32 ISO1 48 16 32 ISO2 80 48 32 ISO2 80 48 32 ISO2X 105 73 32 ISO2X 105 73 32 ISO3 112 80 32 ISO3 112 80 32 DIES P2 40 20 20 P2 40 20 20 P3 60 40 20 P3 60 40 20 cutting tap cutting tap P4 80 60 20 P4 80 60 20 M35×1 ISO1 35.000 34.350 40 14 26 33.917 M38×1 ISO1 38.000 37.350 40 14 26 36.917 CENTER ISO2 66 40 26 ISO2 66 40 26 DRILLS ISO2X 86 60 26 ISO2X 86 60 26 ISO3 92 66 26 ISO3 92 66 26 Technical info 671