Metric Fine Threads Chart
| THREAD DATA CHART: Metric Thread -- Fine Pitch | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Size ISO MF | Thread Form Type | Major Diameter mm d=D | Pitch mm p | Root Radius mm r | Pitch Diameter mm d2=D2 | Minor Diameter Male Thd. d3 | Minor Diameter Female Thd. D1 | Thread Height Male Thd. h3 | Thread Height Female Thd. H1 | Tap Drill Diameter mm |
| 1.0x0.2 | M | 1.00 | 0.20 | 0.029 | 0.870 | 0.755 | 0.783 | 0.123 | 0.108 | 0.80 |
| 1.1x0.2 | M | 1.10 | 0.20 | 0.029 | 0.970 | 0.855 | 0.883 | 0.123 | 0.108 | 0.90 |
| 1.2x0.2 | M | 1.20 | 0.20 | 0.029 | 1.070 | 0.955 | 0.983 | 0.123 | 0.108 | 1.00 |
| 1.4x0.2 | M | 1.40 | 0.20 | 0.029 | 1.270 | 1.155 | 1.183 | 0.123 | 0.108 | 1.20 |
| 1.6x0.2 | M | 1.60 | 0.20 | 0.029 | 1.470 | 1.355 | 1.383 | 0.123 | 0.108 | 1.40 |
| 1.8x0.2 | M | 1.80 | 0.20 | 0.029 | 1.670 | 1.555 | 1.583 | 0.123 | 0.108 | 1.60 |
| 2x0.25 | M | 2.00 | 0.25 | 0.036 | 1.838 | 1.693 | 1.729 | 0.153 | 0.135 | 1.75 |
| 2.2x0.25 | M | 2.20 | 0.25 | 0.036 | 2.038 | 1.893 | 1.929 | 0.153 | 0.135 | 1.95 |
| 2.5x0.35 | M | 2.50 | 0.35 | 0.051 | 2.273 | 2.071 | 2.121 | 0.215 | 0.189 | 2.10 |
| 3x0.35 | M | 3.00 | 0.35 | 0.051 | 2.773 | 2.571 | 2.621 | 0.215 | 0.189 | 2.60 |
| 3.5x0.35 | M | 3.50 | 0.35 | 0.051 | 3.273 | 3.071 | 3.121 | 0.215 | 0.189 | 3.10 |
| 4x0.5 | M | 4.00 | 0.50 | 0.072 | 3.675 | 3.387 | 3.459 | 0.307 | 0.271 | 3.50 |
| 4.5x0.5 | M | 4.50 | 0.50 | 0.072 | 4.175 | 3.887 | 3.959 | 0.307 | 0.271 | 4.00 |
| 5x0.5 | M | 5.00 | 0.50 | 0.072 | 4.675 | 4.387 | 4.459 | 0.307 | 0.271 | 4.50 |
| 5.5x0.5 | M | 5.50 | 0.50 | 0.072 | 5.175 | 4.887 | 4.959 | 0.307 | 0.271 | 5.00 |
| 6x0.75 | M | 6.00 | 0.75 | 0.108 | 5.513 | 5.080 | 5.188 | 0.460 | 0.406 | 5.20 |
| 7x0.75 | M | 7.00 | 0.75 | 0.108 | 6.513 | 6.080 | 6.188 | 0.460 | 0.406 | 6.20 |
| 8x0.75 | M | 8.00 | 0.75 | 0.108 | 7.513 | 7.080 | 7.188 | 0.460 | 0.406 | 7.20 |
| 8x1.0 | M | 8.00 | 1.00 | 0.144 | 7.350 | 6.773 | 6.917 | 0.613 | 0.541 | 7.00 |
| 9x0.75 | M | 9.00 | 0.75 | 0.108 | 8.513 | 8.080 | 8.188 | 0.460 | 0.406 | 8.20 |
| 9x 1 | M | 9.00 | 1.00 | 0.144 | 8.350 | 7.773 | 7.917 | 0.613 | 0.541 | 8.00 |
| 10x0.75 | M | 10.00 | 0.75 | 0.108 | 9.513 | 9.080 | 9.188 | 0.460 | 0.406 | 9.20 |
| 10x1 | M | 10.00 | 1.00 | 0.144 | 9.350 | 8.773 | 8.917 | 0.613 | 0.541 | 9.00 |
| 10x1.25 | M | 10.00 | 1.25 | 0.180 | 9.188 | 8.466 | 8.647 | 0.767 | 0.677 | 8.80 |
| 11x0.75 | M | 11.00 | 0.75 | 0.108 | 10.513 | 10.080 | 10.188 | 0.460 | 0.406 | 10.20 |
| 11x1 | M | 11.00 | 1.00 | 0.144 | 10.350 | 9.773 | 9.917 | 0.613 | 0.541 | 10.00 |
| 12x1 | M | 12.00 | 1.00 | 0.144 | 11.350 | 10.773 | 10.917 | 0.613 | 0.541 | 11.00 |
| 12x1.25 | M | 12.00 | 1.25 | 0.180 | 11.188 | 10.466 | 10.647 | 0.767 | 0.677 | 10.80 |
| 12x1.5 | M | 12.00 | 1.50 | 0.217 | 11.026 | 10.160 | 10.376 | 0.920 | 0.812 | 10.50 |
| 14x1.0 | M | 14.00 | 1.00 | 0.144 | 13.350 | 12.773 | 12.917 | 0.613 | 0.541 | 13.00 |
| 14x1.25 | M | 14.00 | 1.25 | 0.180 | 13.188 | 12.466 | 12.647 | 0.767 | 0.677 | 12.80 |
| 14x1.5 | M | 14.00 | 1.50 | 0.217 | 13.026 | 12.160 | 12.376 | 0.920 | 0.812 | 12.50 |
| 15x1 | M | 15.00 | 1.00 | 0.144 | 14.350 | 13.773 | 13.917 | 0.613 | 0.541 | 14.00 |
| 15x1.5 | M | 15.00 | 1.50 | 0.217 | 14.026 | 13.160 | 13.376 | 0.920 | 0.812 | 13.50 |
| 16x1 | M | 16.00 | 1.00 | 0.144 | 15.350 | 14.773 | 14.917 | 0.613 | 0.541 | 15.00 |
| 16x1.5 | M | 16.00 | 1.50 | 0.217 | 15.026 | 14.160 | 14.376 | 0.920 | 0.812 | 14.50 |
| 17x1.0 | M | 17.00 | 1.00 | 0.144 | 16.350 | 15.773 | 15.917 | 0.613 | 0.541 | 16.00 |
| 17x1.5 | M | 17.00 | 1.50 | 0.217 | 16.026 | 15.160 | 15.376 | 0.920 | 0.812 | 15.50 |
| 18x1.0 | M | 18.00 | 1.00 | 0.144 | 17.350 | 16.773 | 16.917 | 0.613 | 0.541 | 17.00 |
| 18x1.5 | M | 18.00 | 1.50 | 0.217 | 17.026 | 16.160 | 16.376 | 0.920 | 0.812 | 16.50 |
| 18x2.0 | M | 18.00 | 2.00 | 0.289 | 16.701 | 15.546 | 15.835 | 1.227 | 1.083 | 16.00 |
| 20x1.0 | M | 20.00 | 1.00 | 0.144 | 19.350 | 18.773 | 18.917 | 0.613 | 0.541 | 19.00 |
| 20x1.5 | M | 20.00 | 1.50 | 0.217 | 19.026 | 18.160 | 18.376 | 0.920 | 0.812 | 18.50 |
| 20x2.0 | M | 20.00 | 2.00 | 0.289 | 18.701 | 17.546 | 17.835 | 1.227 | 1.083 | 18.00 |
| 22x1.0 | M | 22.00 | 1.00 | 0.144 | 21.350 | 20.773 | 20.917 | 0.613 | 0.541 | 21.00 |
| 22x1.5 | M | 22.00 | 1.50 | 0.217 | 21.026 | 20.160 | 20.376 | 0.920 | 0.812 | 20.50 |
| 22x2.0 | M | 22.00 | 2.00 | 0.289 | 20.701 | 19.546 | 19.835 | 1.227 | 1.083 | 20.00 |
| 24x1.0 | M | 24.00 | 1.00 | 0.144 | 23.350 | 22.773 | 22.917 | 0.613 | 0.541 | 23.00 |
| 24x1.5 | M | 24.00 | 1.50 | 0.217 | 23.026 | 22.160 | 22.376 | 0.920 | 0.812 | 22.50 |
| 24x2.0 | M | 24.00 | 2.00 | 0.289 | 22.701 | 21.546 | 21.835 | 1.227 | 1.083 | 22.00 |
| 25x1.0 | M | 25.00 | 1.00 | 0.144 | 24.350 | 23.773 | 23.917 | 0.613 | 0.541 | 24.00 |
| 25x1.5 | M | 25.00 | 1.50 | 0.217 | 24.026 | 23.160 | 23.376 | 0.920 | 0.812 | 23.50 |
| 25x2.0 | M | 25.00 | 2.00 | 0.289 | 23.701 | 22.546 | 22.835 | 1.227 | 1.083 | 23.00 |
| 27x1.0 | M | 27.00 | 1.00 | 0.144 | 26.350 | 25.773 | 25.917 | 0.613 | 0.541 | 26.00 |
| 27x1.5 | M | 27.00 | 1.50 | 0.217 | 26.026 | 25.160 | 25.376 | 0.920 | 0.812 | 25.50 |
| 27x2.0 | M | 27.00 | 2.00 | 0.289 | 25.701 | 24.546 | 24.835 | 1.227 | 1.083 | 25.00 |
| 28x1.0 | M | 28.00 | 1.00 | 0.144 | 27.350 | 26.773 | 26.917 | 0.613 | 0.541 | 27.00 |
| 28x1.5 | M | 28.00 | 1.50 | 0.217 | 27.026 | 26.160 | 26.376 | 0.920 | 0.812 | 26.50 |
| 28x2.0 | M | 28.00 | 2.00 | 0.289 | 26.701 | 25.546 | 25.835 | 1.227 | 1.083 | 26.00 |