Estos Tornillos de pulgar son resistentes a la corrosión en ambientes húmedos, eléctricamente conductores y no magnéticos. Una cabeza elevada los hace fáciles de agarrar. La cabeza está moleteada para un ajuste controlado antideslizante. La longitud se mide desde debajo del collar.
| Rosca de tornillo d | M1 | M1.2 | M1.4 | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | |
| P | 0.25 | 0.25 | 0.3 | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | |
| b | max | 3.5 | 4 | 4.6 | 5.7 | 6.8 | 8.9 | 10 | 13.4 | 16.6 | 20 | 26.5 | 33 |
| min | 3 | 3.5 | 4 | 5 | 6 | 8 | 9 | 12 | 15 | 18 | 24 | 30 | |
| dk | Medida nominal | 5.5 | 6 | 7 | 7.5 | 9 | 11 | 12 | 16 | 20 | 24 | 30 | 36 |
| max | 5.74 | 6.24 | 7.29 | 7.79 | 9.29 | 11.35 | 12.35 | 16.35 | 20.42 | 24.42 | 30.42 | 36.5 | |
| min | 5.26 | 5.76 | 6.71 | 7.21 | 8.71 | 10.65 | 11.65 | 15.65 | 19.58 | 23.58 | 29.58 | 35.5 | |
| ds | max = tamaño nominal | 2.8 | 3 | 3.5 | 3.8 | 4.5 | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| min | 2.55 | 2.75 | 3.2 | 3.5 | 4.2 | 4.7 | 5.7 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 | |
| h | Medida nominal | 3.5 | 4 | 4.7 | 5 | 5.3 | 6.5 | 7.5 | 9.5 | 11.5 | 15 | 18 | 23 |
| max | 3.74 | 4.24 | 4.94 | 5.24 | 5.54 | 6.79 | 7.79 | 9.79 | 11.85 | 15.35 | 18.35 | 23.42 | |
| min | 3.26 | 3.76 | 4.46 | 4.76 | 5.06 | 6.21 | 7.21 | 9.21 | 11.15 | 14.65 | 17.65 | 22.58 | |
| k | max = tamaño nominal | 1.5 | 1.5 | 2 | 2 | 2 | 2.5 | 2.5 | 3.5 | 4 | 5 | 6 | 8 |
| min | 1.25 | 1.25 | 1.75 | 1.75 | 1.75 | 2.25 | 2.25 | 3.2 | 3.7 | 4.7 | 5.7 | 7.64 | |
| n | Medida nominal | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.2 | 1.6 | 2 | 2.5 |
| min | 0.36 | 0.46 | 0.46 | 0.46 | 0.56 | 0.66 | 0.86 | 1.06 | 1.26 | 1.66 | 2.06 | 2.56 | |
| max | 0.5 | 0.6 | 0.6 | 0.6 | 0.7 | 0.8 | 1 | 1.2 | 1.51 | 1.91 | 2.31 | 2.81 | |
| t | min | 0.7 | 0.8 | 0.9 | 1 | 1.1 | 1.5 | 1.8 | 2.2 | 2.8 | 3.5 | 4.5 | 6 |
| max | 0.9 | 1 | 1.15 | 1.3 | 1.4 | 1.8 | 2.2 | 2.7 | 3.4 | 4.3 | 5.5 | 7 | |