DIN 601 – 1987 M5 to M52 – Bu lông lục giác
Screw Thread | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 | (M27) | |
P | Pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3 |
b | L≤125 | 16 | 18 | 22 | 26 | 30 | 38 | 46 | 54 | 60 |
125<L≤200 | 22 | 24 | 28 | 32 | 36 | 44 | 52 | 60 | 66 | |
L>200 | 35 | 37 | 41 | 45 | 49 | 57 | 65 | 73 | 79 | |
c | max | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 |
da | max | 6 | 7.2 | 10.2 | 12.2 | 14.7 | 18.7 | 24.4 | 28.4 | 32.4 |
dw | min | 6.7 | 8.7 | 11.4 | 15.4 | 17.2 | 22 | 27.7 | 33.2 | 38 |
ds | Nominal Size | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 27 |
min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | 23.16 | 26.16 | |
max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 | 24.84 | 27.84 | |
e | min | 8.63 | 10.89 | 14.2 | 18.72 | 20.88 | 26.17 | 32.95 | 39.55 | 45.2 |
k | Nominal Size | 3.5 | 4 | 5.3 | 6.4 | 7.5 | 10 | 12.5 | 15 | 17 |
min | 3.12 | 3.62 | 4.92 | 5.95 | 7.05 | 9.25 | 11.6 | 14.1 | 16.1 | |
max | 3.88 | 4.38 | 5.68 | 6.85 | 7.95 | 10.75 | 13.4 | 15.9 | 17.9 | |
k1 | min | 2.2 | 2.5 | 3.45 | 4.2 | 4.95 | 6.5 | 8.1 | 9.9 | 11.3 |
r | min | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.8 | 0.8 | 1 |
s | max=nominal size | 8 | 10 | 13 | 17 | 19 | 24 | 30 | 36 | 41 |
min | 7.64 | 9.64 | 12.57 | 16.57 | 18.48 | 23.16 | 29.16 | 35 | 40 | |
Weight of per 1000 steel products(≈kg) | – | – | – | – | – | – | – | – | – | |
Length of Thread b | – | – | – | – | – | – | – | – | – |
Screw Thread | M30 | (M33) | M36 | (M39) | M42 | (M45) | M48 | (M52) | |
P | Pitch | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 |
b | L≤125 | 66 | 72 | 78 | 84 | – | – | – | – |
125<L≤200 | 72 | 78 | 84 | 90 | 96 | 102 | 108 | 116 | |
L>200 | 85 | 91 | 97 | 103 | 109 | 115 | 121 | 129 | |
c | max | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 |
da | max | 35.4 | 38.4 | 42.4 | 45.4 | 48.6 | 52.6 | 56.6 | 62.6 |
dw | min | 42.7 | 46.5 | 51.1 | 55.9 | 59.9 | 64.7 | 69.4 | 74.2 |
ds | Nominal Size | 30 | 33 | 36 | 39 | 42 | 45 | 48 | 52 |
min | 29.16 | 32 | 35 | 38 | 41 | 44 | 47 | 51 | |
max | 30.84 | 34 | 37 | 40 | 43 | 46 | 49 | 53 | |
e | min | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | 76.95 | 82.6 | 88.25 |
k | Nominal Size | 18.7 | 21 | 22.5 | 25 | 26 | 28 | 30 | 33 |
min | 17.65 | 19.95 | 21.45 | 23.95 | 24.95 | 26.95 | 28.95 | 31.75 | |
max | 19.75 | 22.05 | 23.53 | 26.05 | 27.05 | 29.05 | 31.05 | 34.25 | |
k1 | min | 12.4 | 14 | 15 | 16.8 | 17.5 | 18.9 | 20.2 | 22.2 |
r | min | 1 | 1 | 1 | 1 | 1.2 | 1.2 | 1.6 | 1.6 |
s | max=nominal size | 46 | 50 | 55 | 60 | 65 | 70 | 75 | 80 |
min | 45 | 49 | 53.8 | 58.8 | 63.1 | 68.1 | 73.1 | 78.1 | |
Weight of per 1000 steel products(≈kg) | – | – | – | – | – | – | – | – | |
Length of Thread b | – | – | – | – | – | – | – | – |