The external tab washer designed to be utilized in critical assemblies, such as naval ships, power plants, and in heavy equipment preventing bolts from coming loose.
For thread diameter | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | ||
d | max | 2.95 | 3.5 | 4.5 | 5.6 | 6.76 | 8.76 | 10.93 | 13.43 | 15.43 | 17.43 | |
min | 2.7 | 3.2 | 4.2 | 5.3 | 6.4 | 8.4 | 10.5 | 13 | 15 | 17 | ||
dc | max | 10 | 12 | 14 | 17 | 19 | 22 | 26 | 32 | 32 | 40 | |
min | 9.64 | 11.57 | 13.57 | 16.57 | 18.48 | 21.48 | 25.48 | 31.38 | 31.38 | 39.38 | ||
b | max | 2 | 2.5 | 2.5 | 3.5 | 3.5 | 3.5 | 4.5 | 4.5 | 4.5 | 5.5 | |
min | 1.75 | 2.25 | 2.25 | 3.2 | 3.2 | 3.2 | 4.2 | 4.2 | 4.2 | 5.2 | ||
L | Nominal Size | 3.5 | 4.5 | 5.5 | 7 | 7.5 | 8.5 | 10 | 12 | 12 | 15 | |
min | 3.2 | 4.2 | 5.2 | 6.64 | 7.14 | 8.14 | 9.64 | 11.57 | 11.57 | 14.57 | ||
max | 3.8 | 4.8 | 5.8 | 7.36 | 7.86 | 8.86 | 10.36 | 12.43 | 12.43 | 15.43 | ||
h | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 | ||
per 1000 units ≈ kg | 0.21 | 0.3 | 0.41 | 0.75 | 0.92 | 1.2 | 1.65 | 5 | 4.65 | 7.73 | ||
For thread diameter | (M18) | M20 | (M22) | M24 | (M27) | M30 | M36 | M42 | M48 | |||
d | max | 19.52 | 21.52 | 23.52 | 25.52 | 28.52 | 31.62 | 37.62 | 43.62 | 50.62 | ||
min | 19 | 21 | 23 | 25 | 28 | 31 | 37 | 43 | 50 | |||
dc | max | 45 | 45 | 50 | 50 | 58 | 63 | 75 | 88 | 100 | ||
min | 44.38 | 44.38 | 49.38 | 49.38 | 57.26 | 62.26 | 74.26 | 87.13 | 99.13 | |||
b | max | 6 | 6 | 7 | 7 | 8 | 8 | 11 | 11 | 13 | ||
min | 5.7 | 5.7 | 6.64 | 6.64 | 7.64 | 7.64 | 10.57 | 10.57 | 12.57 | |||
L | Nominal Size | 18 | 18 | 20 | 20 | 23 | 25 | 31 | 36 | 40 | ||
min | 17.57 | 17.57 | 19.48 | 19.48 | 22.48 | 24.48 | 30.38 | 35.38 | 39.38 | |||
max | 18.43 | 18.43 | 20.52 | 20.52 | 23.52 | 25.52 | 31.62 | 36.62 | 40.62 | |||
h | 1 | 1 | 1 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | |||
per 1000 units ≈ kg | 9.85 | 10.36 | 11.7 | 13.11 | 22.92 | 26.79 | 38.09 | 52.77 | 67.33 |