Estas tuercas de seguridad tienen buena resistencia química y pueden ser ligeramente magnéticas. El inserto de nylon sujeta el perno para resistir el aflojamiento sin dañar las roscas. Son reutilizables, pero su poder de retención disminuye con cada uso.
Rosca de tornillo d | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 | M10 | M12 | M14 | M16 | M20 | M24 | M30 | M36 | ||
P | Tono | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.5 | 1.75 | 2 | 2 | 2.5 | 3 | 3.5 | 4 | |
s | max | 5.5 | 6 | 7 | 8 | 10 | 13 | 16 | 15 | 18 | 21 | 24 | 30 | 36 | 46 | 55 | |
min | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 14.73 | 17.73 | 20.67 | 23.67 | 29.16 | 35 | 45 | 53.8 | ||
h | Class 5、 10 todo el metal | max | 3.1 | 3.5 | 4 | 5.3 | 5.9 | 7.1 | 9 | 9.7 | 11.6 | 13.2 | 15.2 | 19 | 23 | 26.9 | 32.5 |
min | 2.65 | 3 | 3.5 | 4.8 | 5.4 | 6.44 | 8.04 | 8.7 | 10.37 | 12.1 | 14.1 | 16.9 | 20.2 | 24.3 | 29.4 | ||
Class 5、10 inserto superior | max | 4.5 | 5 | 6 | 6.8 | 8 | 9.5 | 11.9 | 12.5 | 14.9 | 17 | 19.1 | 22.8 | 27.1 | 32.6 | 38.9 | |
min | 3.9 | 4.3 | 5.3 | 6 | 7.2 | 8.5 | 10.9 | 11.5 | 13.9 | 15.8 | 17.9 | 21.5 | 25.6 | 30.6 | 36.9 | ||
Class 9 todo el metal | max | 3.1 | 3.5 | 4 | 5.3 | 6.7 | 8 | 10.5 | 11.2 | 13.3 | 15.4 | 17.9 | 21.8 | 26.4 | 31.8 | 38.5 | |
min | 2.65 | 3 | 3.5 | 4.8 | 5.4 | 7.14 | 8.94 | 9.6 | 11.57 | 13.4 | 15.7 | 19 | 22.6 | 27.3 | 33.1 | ||
Class 9 inserto superior | max | 4.5 | 5 | 6 | 7.2 | 8.5 | 10.2 | 12.8 | 13.5 | 16.1 | 18.3 | 20.7 | 25.1 | 29.5 | 35.6 | 42.6 | |
min | 3.9 | 4.3 | 5.3 | 6.4 | 7.7 | 9.2 | 11.8 | 12.5 | 15.1 | 17.1 | 19.5 | 23.8 | 28 | 33.6 | 40.6 |
Diámetro nominal d | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | |
d | Diámetro nominal | 0.25 | 0.31 | 0.38 | 0.44 | 0.5 | 0.56 | 0.625 | 0.75 | 0.875 | 1 | 1.125 |
PP | UNC | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 |
UNF | 28 | 24 | 24 | 20 | 20 | 18 | 18 | 16 | 14 | 12 | 12 | |
UNEF | 32 | 32 | 32 | 28 | 28 | 24 | 24 | 20 | 20 | 20 | 18 | |
s | max | 0.506 | 0.57 | 0.69 | 0.75 | 0.88 | 0.94 | 1.067 | 1.255 | 1.444 | 1.632 | 1.82 |
min | 0.489 | 0.55 | 0,675 | 0.74 | 0.86 | 0.92 | 1.045 | 1.231 | 1.417 | 1.602 | 1.788 | |
e | min | 0.556 | 0.62 | 0.76 | 0,829 | 0.97 | 1.04 | 1.175 | 1.382 | 1.589 | 1.796 | 2.002 |
h | max | 0.39 | 0.45 | 0,562 | 0.61 | 0.72 | 0.81 | 0.874 | 1.015 | 1.14 | 1.312 | 1.469 |
min | 0.36 | 0.42 | 0.53 | 0.58 | 0.69 | 0.78 | 0.844 | 0.985 | 1.11 | 1.25 | 1.407 | |
m | min | 0.29 | 0.34 | 0.39 | 0,464 | 0.54 | 0.66 | 0.677 | 0.79 | 0.883 | 1 | 1.096 |
Diámetro nominal d | 1-1/4 | 1-3/8 | 1-1/2 | 1-5/8 | 1-3/4 | 1-7/8 | 2 | 2-1/4 | 2-1/2 | 2-3/4 | 3 | |
d | Diámetro nominal | 1.25 | 1.38 | 1.5 | 1.63 | 1.75 | 1.88 | 2 | 2.25 | 2.5 | 2.75 | 3 |
PP | UNC | 7 | 6 | 6 | - | 5 | - | 4.5 | 4.5 | 4 | 4 | 4 |
UNF | 12 | 12 | 12 | - | - | - | - | - | - | - | - | |
UNEF | 18 | 18 | 18 | 18 | - | - | - | - | - | - | - | |
s | max | 2.008 | 2.2 | 2.38 | 2.57 | 2.76 | 2.95 | 3.137 | 3.514 | 4.015 | 4.015 | 4.64 |
min | 1.973 | 2.16 | 2.34 | 2.53 | 2.72 | 2.9 | 3.086 | 3.457 | 3.875 | 3.875 | 4.5 | |
e | min | 2.209 | 2.42 | 2.62 | 2.89 | 3.04 | 3.24 | 3.449 | 3.862 | 4.618 | 4.618 | 5.102 |
h | max | 1.672 | 1.83 | 1.95 | 2.17 | 2.38 | 2.42 | 2.469 | 2.876 | 3.204 | 3.204 | 3.704 |
min | 1.61 | 1.77 | 1.89 | 2.11 | 2.25 | 2.3 | 2.343 | 2.75 | 3.078 | 3.078 | 3.578 | |
m | min | 1.25 | 1.38 | 1.41 | 1.64 | 1.83 | 1.88 | 1.75 | 2.063 | 2.475 | 2.35 | 2.75 |