Bolt Thread Dimensions: ISO_COARSE
Bolt thread dimensions — UNC, UNF, ISO coarse/fine thread series with pitch, tensile stress area, and threads per inch
| thread series | nominal diameter | nominal size | pitch mm (mm) | tensile stress area in2 (in2) | tensile stress area mm2 (mm2) | threads per inch (threads/in) |
|---|---|---|---|---|---|---|
| ISO_COARSE | 3 | M3 | 0.5 | 0.0078 | 5.03 | 50.8 |
| ISO_COARSE | 4 | M4 | 0.7 | 0.0136 | 8.78 | 36.29 |
| ISO_COARSE | 5 | M5 | 0.8 | 0.022 | 14.18 | 31.75 |
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