EN 14219 – 2003 – Bu lông liền long đen
Thread Size | M8 | M10 | M12 | (M14) | M16 | ||||
P | Pitch | Fine thread 1 | 1 | 1 | 1.25 | 1.5 | 1.5 | ||
Fine thread 2 | – | 1.25 | 1.5 | – | – | ||||
b | L≤125 | 22 | 26 | 30 | 34 | 38 | |||
125<L≤200 | 28 | 32 | 36 | 40 | 44 | ||||
L>200 | / | / | / | / | 57 | ||||
dc | max | 17 | 20.8 | 24.7 | 28.6 | 32.8 | |||
ds | max | 8 | 10 | 12 | 14 | 16 | |||
min | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | ||||
k | max | 8.5 | 9.7 | 12.1 | 12.9 | 15.2 | |||
s | max | 10 | 13 | 16 | 18 | 21 | |||
min | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 |