Aug 2025
Metric Thread Chart
THREAD CHART (METRIC THREADS)
| THREAD DATA CHART: Metric Thread -- Fine Pitch |
| Nominal Size ISO MF |
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 |
| M8x0.75 | 8.00 | 0.75 | 0.108 | 7.513 | 7.080 | 7.188 | 0.460 | 0.406 | 7.20 |
| M8x1.0 | 8.00 | 1.00 | 0.144 | 7.350 | 6.773 | 6.917 | 0.613 | 0.541 | 7.00 |
| M10x0.75 | 10.00 | 0.75 | 0.108 | 9.513 | 9.080 | 9.188 | 0.460 | 0.406 | 9.20 |
| M10x1.0 | 10.00 | 1.00 | 0.144 | 9.350 | 8.773 | 8.917 | 0.613 | 0.541 | 9.00 |
| M10x1.25 | 10.00 | 1.25 | 0.180 | 9.188 | 8.466 | 8.647 | 0.767 | 0.677 | 8.80 |
| M12x1.0 | 12.00 | 1.00 | 0.144 | 11.350 | 10.773 | 10.917 | 0.613 | 0.541 | 11.00 |
| M12x1.25 | 12.00 | 1.25 | 0.180 | 11.188 | 10.466 | 10.647 | 0.767 | 0.677 | 10.80 |
| M12x1.5 | 12.00 | 1.50 | 0.217 | 11.026 | 10.160 | 10.376 | 0.920 | 0.812 | 10.50 |
| M14x1.0 | 14.00 | 1.00 | 0.144 | 13.350 | 12.773 | 12.917 | 0.613 | 0.541 | 13.00 |
| M14x1.25 | 14.00 | 1.25 | 0.180 | 13.188 | 12.466 | 12.647 | 0.767 | 0.677 | 12.80 |
| M14x1.5 | 14.00 | 1.50 | 0.217 | 13.026 | 12.160 | 12.376 | 0.920 | 0.812 | 12.50 |
| M16x1.0 | 16.00 | 1.00 | 0.144 | 15.350 | 14.773 | 14.917 | 0.613 | 0.541 | 15.00 |
| M16x1.5 | 16.00 | 1.50 | 0.217 | 15.026 | 14.160 | 14.376 | 0.920 | 0.812 | 14.50 |
| M20x1.0 | 20.00 | 1.00 | 0.144 | 19.350 | 18.773 | 18.917 | 0.613 | 0.541 | 19.00 |
| M20x1.5 | 20.00 | 1.50 | 0.217 | 19.026 | 18.160 | 18.376 | 0.920 | 0.812 | 18.50 |
| M20x2.0 | 20.00 | 2.00 | 0.289 | 18.701 | 17.546 | 17.835 | 1.227 | 1.083 | 18.00 |
| M22x1.0 | 22.00 | 1.00 | 0.144 | 21.350 | 20.773 | 20.917 | 0.613 | 0.541 | 21.00 |
| M22x1.5 | 22.00 | 1.50 | 0.217 | 21.026 | 20.160 | 20.376 | 0.920 | 0.812 | 20.50 |
| M22x2.0 | 22.00 | 2.00 | 0.289 | 20.701 | 19.546 | 19.835 | 1.227 | 1.083 | 20.00 |
| M24x1.0 | 24.00 | 1.00 | 0.144 | 23.350 | 22.773 | 22.917 | 0.613 | 0.541 | 23.00 |
| M24x1.5 | 24.00 | 1.50 | 0.217 | 23.026 | 22.160 | 22.376 | 0.920 | 0.812 | 22.50 |
| M24x2.0 | 24.00 | 2.00 | 0.289 | 22.701 | 21.546 | 21.835 | 1.227 | 1.083 | 22.00 |
| M25x1.0 | 25.00 | 1.00 | 0.144 | 24.350 | 23.773 | 23.917 | 0.613 | 0.541 | 24.00 |
| M25x1.5 | 25.00 | 1.50 | 0.217 | 24.026 | 23.160 | 23.376 | 0.920 | 0.812 | 23.50 |
| M25x2.0 | 25.00 | 2.00 | 0.289 | 23.701 | 22.546 | 22.835 | 1.227 | 1.083 | 23.00 |
| M27x1.0 | 27.00 | 1.00 | 0.144 | 26.350 | 25.773 | 25.917 | 0.613 | 0.541 | 26.00 |
| M27x1.5 | 27.00 | 1.50 | 0.217 | 26.026 | 25.160 | 25.376 | 0.920 | 0.812 | 25.50 |
| M27x2.0 | 27.00 | 2.00 | 0.289 | 25.701 | 24.546 | 24.835 | 1.227 | 1.083 | 25.00 |
| M28x1.0 | 28.00 | 1.00 | 0.144 | 27.350 | 26.773 | 26.917 | 0.613 | 0.541 | 27.00 |
| M28x1.5 | 28.00 | 1.50 | 0.217 | 27.026 | 26.160 | 26.376 | 0.920 | 0.812 | 26.50 |
| M28x2.0 | 28.00 | 2.00 | 0.289 | 26.701 | 25.546 | 25.835 | 1.227 | 1.083 | 26.00 |