DIN 7964 – 1990 – Bu lông lục giác
Screw Thread | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 | M30 | ||||
P | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3.5 | ||||
b1 | 0 ~ +2P | type K / short thread | 3.2 | 3.8 | 5 | 6.25 | 7.5 | 10 | 12.5 | 15 | 20 | 25 | 30 | 38 | ||
type L / long thread | 10 | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 38 | 46 | 54 | 66 | ||||
b2 | 0 ~ +2P | type K / short thread | 3.75 | 4.5 | 6 | 7.55 | 8.5 | 11.2 | 14.3 | 17.5 | 23 | 28.5 | 33.5 | 43 | ||
type L / long thread | 10.55 | 12.7 | 15 | 17.3 | 19 | 23.2 | 27.8 | 32.5 | 41 | 49.5 | 57.5 | 71 | ||||
ds | max | 1.9 | 2.3 | 3 | 3.9 | 4.6 | 6.2 | 7.7 | 9.2 | 12.7 | 16.2 | 19.2 | 24.2 | |||
min | 1.7 | 2.1 | 2.8 | 3.7 | 4.4 | 6 | 7.5 | 9 | 12.5 | 16 | 19 | 24 |