14. Tap, Thread Limits Production data ■ for Metric Threads unit: mm Major Pitch Diameter Minor Major Pitch Diameter Minor Diameter Diameter Diameter Diameter Size Class Upper Lower Size Class Upper Lower Basic Size Basic Size Tolerance Tolerance Basic Size Basic Size Basic Size Tolerance Tolerance Basic Size (μm) (μm) (μm) (μm) + + + + P4 80 60 P3 60 40 M 11 × 1.5 11.000 10.026 9.376 ISO2 70 42 b 35 5 M 11 × 1.25 P3 11.000 10.188 60 40 9.647 M 14 ×2 G10 14.000 12.701 127 114 11.835 P3 60 40 ISO2 85 51 M 11 ×1 11.000 10.350 9.917 ISO2 59 35 D7 91 50 M 11 × 0.75 P3 11.000 10.513 60 40 10.188 P3 60 40 M 11 × 0.5 P2 11.000 10.675 40 25 10.459 45 15 P3 60 40 M 14 × 1.5 G9 14.000 13.026 114 102 12.376 b 35 5 ISO2 75 45 M 12 × 1.75 G8 12.000 10.863 102 89 10.106 D7 91 60 ISO2 80 48 P4 80 60 M 14 × 1.25 14.000 13.188 12.647 D6 78 47 ISO2 70 42 P3 60 40 P3 60 40 45 15 M 14 ×1 G9 14.000 13.350 114 102 12.917 M 12 × 1.5 12.000 11.026 10.376 G8 102 89 ISO2 63 38 ISO2 75 45 M 14 × 0.75 P3 14.000 13.513 60 40 13.188 P4 80 60 M 14 × 0.5 P2 14.000 13.675 40 25 13.459 45 15 M 15 ×2 P3 15.000 13.701 60 40 12.835 M 12 × 1.25 G9 12.000 11.188 114 102 10.647 M 15 × 1.5 P3 15.000 14.026 60 40 13.376 ISO2 70 42 M 15 × 1.25 P4 15.000 14.188 80 60 13.647 D6 78 47 M 15 ×1 P3 15.000 14.350 60 40 13.917 P3 60 40 M 15 × 0.75 P3 15.000 14.513 60 40 14.188 M 12 ×1 12.000 11.350 45 15 10.917 M 15 × 0.5 P2 15.000 14.675 40 25 14.459 ISO2 63 38 P3 60 40 P3 60 40 b 35 5 M 12 × 0.75 12.000 11.513 11.188 ISO2 56 34 M 16 ×2 G10 16.000 14.701 127 114 13.835 M 12 × 0.5 P2 12.000 11.675 40 25 11.459 ISO2 85 51 M 13 × 1.75 P3 13.000 11.863 60 40 11.106 D7 91 50 M 13 × 1.5 P3 13.000 12.026 60 40 11.376 P3 60 40 M 13 × 1.25 P4 13.000 12.188 80 60 11.647 45 15 M 13 ×1 P3 13.000 12.350 60 40 11.917 M 16 × 1.5 G9 16.000 15.026 114 102 14.376 M 13 × 0.75 P3 13.000 12.513 60 40 12.188 ISO2 75 45 M 13 × 0.5 P2 13.000 12.675 40 25 12.459 D6 78 47 P4 80 60 M 16 × 1.25 16.000 15.188 14.647 ISO2 75 45 P3 60 40 M 16 ×1 G8 16.000 15.350 102 89 14.917 Technical Information ISO2 75 45 M 16 × 0.5 P2 16.000 15.675 40 25 15.459 M 17 × 1.5 P4 17.000 16.026 80 60 15.376 M 17 ×1 P3 17.000 16.350 60 40 15.917 Technical-25 796