| ເສັ້ນຜ່າສູນກາງກະທູ້ນາມ (M) | ຄວາມຍາວນາມ (L, mm) | ຄວາມຫນາຂອງຝາ (t, mm) | ປະເພດກະທູ້ພາຍໃນ |
| M3 | 10-30 | 1.0-2.0 | Metric Fine thread (P=0.5) |
| M4 | 12-40 | 1.5-2.5 | Metric Fine thread (P=0.7) |
| M5 | 15-50 | 2.0-3.0 | Metric Fine thread (P=0.8) |
| M6 | 18-60 | 2.5-3.5 | Metric Fine Thread (P=1.0) |
| M8 | 20-80 | 3.0-4.0 | Metric Fine thread (P=1.25) |
| M10 | 25-100 | 4.0-5.0 | Metric Fine thread (P=1.5) |