DIN EN 14399 (-8) – 2016 – Bu lông kết cấu
Screw Thread | M12 | M16 | M20 | M22 | M24 | M27 | M30 | M36 | |
P | Pitch | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 |
b | 23 | 28 | 33 | 34 | 39 | 41 | 44 | 52 | |
ds | Nominal Size | 13 | 17 | 21 | 23 | 25 | 28 | 31 | 37 |
min | 12.74 | 16.74 | 20.71 | 22.71 | 24.71 | 27.71 | 30.67 | 36.67 | |
max | 12.85 | 16.85 | 20.84 | 22.84 | 24.84 | 27.84 | 30.83 | 36.83 | |
k | Nominal Size | 8 | 10 | 13 | 14 | 15 | 17 | 19 | 23 |
min | 7.55 | 9.25 | 12.1 | 13.1 | 14.1 | 16.1 | 17.95 | 21.95 | |
max | 8.45 | 10.75 | 13.9 | 14.9 | 15.9 | 17.9 | 20.05 | 24.05 | |
s | max | 22 | 27 | 32 | 26 | 41 | 46 | 50 | 60 |
min | 21.16 | 26.16 | 31 | 35 | 40 | 45 | 49 | 58.8 |