CoarseMetricThreadSizesChart.pdf
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Coarse Metric Thread Sizes |
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| Thread Size | Tap Drill (mm) | Thread Size | Tap Drill (mm) | |
| M1 x 0.25 | 0.75 | M12 x 1.75 | 10.20 | |
| M1.1 x 0.25 | 0.85 | M14 x 2 | 12.00 | |
| M1.2 x 0.25 | 0.95 | M16 x 2 | 14.00 | |
| M1.4 x 0.3 | 1.10 | M18 x 2.5 | 15.50 | |
| M1.6 x 0.35 | 1.25 | M20 x 2.5 | 17.50 | |
| M1.8 x 0.35 | 1.45 | M22 x 2.5 | 19.50 | |
| M2 x 0.4 | 1.60 | M24 x 3 | 21.00 | |
| M2.2 x 0.45 | 1.75 | M27 x 3 | 24.00 | |
| M2.5 x 0.45 | 2.05 | M30 x 3.5 | 26.50 | |
| M3 x 0.5 | 2.50 | M33 x 3.5 | 29.50 | |
| M3.5 x 0.6 | 2.90 | M36 x 4 | 32.00 | |
| M4 x 0.7 | 3.30 | M39 x 4 | 35.00 | |
| M4.5 x 0.75 | 3.70 | M42 x 4.5 | 37.50 | |
| M5 x 0.8 | 4.20 | M45 x 4.5 | 40.50 | |
| M6 x 1 | 5.00 | M48 x 5 | 43.00 | |
| M7 x 1 | 6.00 | M52 x 5 | 47.00 | |
| M8 x 1.25 | 6.80 | M56 x 5.5 | 50.50 | |
| M9 x 1.25 | 7.80 | M60 x 5.5 | 54.50 | |
| M10 x 1.5 | 8.50 | M64 x 6 | 58.00 | |
| M11 x 1.5 | 9.50 | M68 x 6 | 62.00 | |
| M4 x 0.35 | 3.60 | M16 x 1 | 15.0 | |
| M4 x 0.5 | 3.50 | M16 x 1.5 | 15.0 | |
| M5 x 0.5 | 4.50 | M18 x 1 | 17.0 | |
| M6 x .5 | 5.50 | M18 x 2 | 16.0 | |
| M6 x .75 | 5.25 | M20 x 1 | 19.0 | |
| M7 x .75 | 6.25 | M20 x 1.5 | 18.5 | |
| M8 x .5 | 7.00 | M20 x 2 | 18.0 | |
| M8 x .75 | 7.25 | M22 x 1 | 21.0 | |
| M8 x 1 | 7.50 | M22 x 1.5 | 20.5 | |
| M9 x 1 | 8.00 | M22 x 2 | 20.0 | |
| M10 x 0.75 | 9.25 | M24 X 1.5 | 22.5 | |
| M10 x 1 | 9.0 | M24 x 2 | 22.0 | |
| M10 x 1.25 | 8.8 | M26 x 1.5 | 24.5 | |
| M11 x 1 | 10.0 | M27 x 1.5 | 25.5 | |
| M12 x .75 | 11.25 | M27 x 2 | 25.0 | |
| M12 x 1 | 11.0 | M28 x 1.5 | 26.5 | |
| M12 x 1.5 | 10.5 | M30 x 1.5 | 28.5 | |
| M14 x 1 | 13.0 | M30 x 2 | 28.0 | |
| M14 x 1.25 | 12.8 | M33 x 2 | 31.0 | |
| M14 x 1.5 | 12.5 | M36 x 3 | 36.0 | |