Technical Description of productsInformation 14. Tap, Thread Limits ■ for Metric Threads Unit:mm MajorDiameter Pitch Diameter MinorDiameter MajorDiameter Pitch Diameter MinorDiameter Size Class Basic Upper LowerBasicToleranceToleranceBasicSize Class Basic Upper LowerBasicToleranceToleranceBasic Size Size ( μ m) ( μ m) Size Size Size ( μ m) ( μ m) Size + + + + P1 25 10 P1 25 10 M1 × 0.25 G4 1.000 0.838 51 38 0.729 Ⅱb 20 5 M 2.3 × 0.4 2.300 2.040 1.867 ISO2 28 17 G4 51 38 M1 × 0.2 P1 1.000 0.870 25 10 0.783 ISO2 36 21 P1 25 10 M 2.3 × 0.25 P1 2.300 2.138 25 10 2.029 M 1.1 × 0.25 1.100 0.938 0.829 ISO2 28 17 P2 40 25 M 1.1 × 0.2 P1 1.100 0.970 25 10 0.883 Ⅱb 20 5 P1 25 10 M 2.5 × 0.45 G5 2.500 2.208 64 51 2.013 M 1.2 × 0.25 1.200 1.038 0.929 ISO2 28 17 ISO2 38 23 M 1.2 × 0.2 P1 1.200 1.070 25 10 0.983 D3 39 24 P1 25 10 M 2.5 × 0.35 P1 2.500 2.273 25 10 2.121 M 1.4 × 0.3 G4 1.400 1.205 51 38 1.075 P1 25 10 ISO2 30 18 Ⅱb 20 5 M 2.6 × 0.45 2.600 2.308 2.113 M 1.4 × 0.2 P1 1.400 1.270 25 10 1.183 G5 64 51 P2 40 25 ISO2 38 23 G4 51 38 M 2.6 × 0.35 P1 2.600 2.373 25 10 2.221 M 1.6 × 0.35 1.600 1.373 1.221 ISO2 34 20 P2 40 25 D3 39 24 Ⅱb 20 5 M 1.6 × 0.2 P1 1.600 1.470 25 10 1.383 M3 × 0.5 G5 3.000 2.675 64 51 2.459 P1 25 10 ISO2 40 24 M 1.7 × 0.35 G4 1.700 1.473 51 38 1.321 D3 39 24 ISO2 34 20 M3 × 0.6 P1 3.000 2.610 25 10 2.350 M 1.7 × 0.2 P1 1.700 1.570 25 10 1.483 P2 40 25 P2 40 25 M3 × 0.35 G5 3.000 2.773 64 51 2.621 G4 51 38 ISO2 36 21 M 1.8 × 0.35 1.800 1.573 1.421 ISO2 34 20 P2 40 25 D3 39 24 Ⅱb 20 5 M 1.8 × 0.2 P1 1.800 1.670 25 10 1.583 M 3.5 ×0.6 G5 3.500 3.110 64 51 2.850 P1 25 10 ISO2 45 27 Ⅱb 20 5 D4 52 32 M2 × 0.4 G4 2.000 1.740 51 38 1.567 P2 40 25 ISO2 36 21 M 3.5 ×0.35 G5 3.500 3.273 64 51 3.121 D3 39 24 ISO2 36 21 M2 × 0.25 P1 2.000 1.838 25 10 1.729 P2 40 20 P2 40 25 Ⅱb 25 5 G5 64 51 M4 × 0.7 G6 4.000 3.545 76 64 3.242 M 2.2 × 0.45 2.200 1.908 1.713 ISO2 38 23 ISO2 48 29 D3 39 24 D4 52 32 M 2.2 × 0.25 P1 2.200 2.038 25 10 1.929 M4 × 0.75 P2 4.000 3.513 40 20 3.188 P2 40 25 M4 × 0.5 G6 4.000 3.675 76 64 3.459 ISO2 40 24 Technical-23