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⚙️ Metric Fine Bolts
Fine-pitch metric bolts used in automotive and precision work. Same wrench as coarse, but finer thread and different tap drill.
| Size | Wrench | Pitch | Torque |
|---|---|---|---|
| M8x1.0 bolt | 13 mm | 1.0 mm (fine) | 27 Nm (19.9 ft·lb) |
| M10x1.25 bolt | 17 mm | 1.25 mm (fine) | 52 Nm (38 ft·lb) |
| M10x1.0 bolt | 17 mm | 1.0 mm (extra fine) | 54 Nm (40 ft·lb) |
| M12x1.5 bolt | 19 mm | 1.5 mm (fine) | 90 Nm (66 ft·lb) |
| M12x1.25 bolt | 19 mm | 1.25 mm (extra fine) | 93 Nm (69 ft·lb) |
| M14x1.5 bolt | 22 mm | 1.5 mm (fine) | 145 Nm (107 ft·lb) |
| M16x1.5 bolt | 24 mm | 1.5 mm (fine) | 225 Nm (166 ft·lb) |
| M18x1.5 bolt | 27 mm | 1.5 mm (fine) | 320 Nm (236 ft·lb) |
| M20x1.5 bolt | 30 mm | 1.5 mm (fine) | 450 Nm (332 ft·lb) |
All metric fine bolts
M8×1.013 mm · 1.0 mm (fine)M10×1.2517 mm · 1.25 mm (fine)M10×1.017 mm · 1.0 mm (extra fine)M12×1.519 mm · 1.5 mm (fine)M12×1.2519 mm · 1.25 mm (extra fine)M14×1.522 mm · 1.5 mm (fine)M16×1.524 mm · 1.5 mm (fine)M18×1.527 mm · 1.5 mm (fine)M20×1.530 mm · 1.5 mm (fine)