DIN 960 – 1990 – Bu lông lục giác
Screw Thread | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | |||
P | Pitch | Fine thread-1 | 1 | 1 | 1.5 | 1.5 | 1.5 | 2 | 1.5 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | |
Fine thread-2 | – | 1.25 | 1.25 | – | – | 1.5 | 2 | 1.5 | 1.5 | – | – | – | – | – | |||
b | L≤125 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 | 60 | 66 | 72 | 78 | 84 | ||
125<L≤200 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | 66 | 72 | 78 | 84 | 90 | |||
L>200 | 41 | 45 | 49 | 53 | 57 | 61 | 65 | 69 | 73 | 79 | 85 | 91 | 97 | 103 | |||
c | min | 0.15 | 0.15 | 0.15 | 0.15 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | ||
max | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | |||
da | max | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | ||
ds | max | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | ||
Grade A | min | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | – | – | – | – | – | ||
Grade B | min | 7.64 | 9.64 | 11.57 | 13.57 | 15.57 | 17.57 | 19.48 | 21.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | ||
dw | Grade A | min | 11.6 | 15.6 | 17.4 | 20.5 | 22.5 | 25.3 | 28.2 | 30 | 33.6 | – | – | – | – | – | |
Grade B | min | 11.4 | 15.4 | 17.2 | 20.1 | 22 | 24.8 | 27.7 | 29.5 | 33.2 | 38 | 42.7 | 46.6 | 51.1 | 55.9 | ||
e | Grade A | min | 14.38 | 18.9 | 21.1 | 24.49 | 26.75 | 30.14 | 33.53 | 35.72 | 39.98 | – | – | – | – | – | |
Grade B | min | 14.2 | 18.72 | 20.88 | 23.91 | 26.17 | 29.56 | 32.95 | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | ||
k | Nominal Size | 5.3 | 6.4 | 7.5 | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 | ||
Grade A | min | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 | 11.28 | 12.28 | 13.78 | 14.78 | – | – | – | – | – | ||
max | 5.45 | 6.58 | 7.68 | 8.98 | 10.18 | 11.72 | 12.72 | 14.22 | 15.22 | – | – | – | – | – | |||
Grade B | min | 5.06 | 6.11 | 7.21 | 8.51 | 9.71 | 11.15 | 12.15 | 13.65 | 14.65 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | ||
max | 5.54 | 6.69 | 7.79 | 9.09 | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | |||
k1 | min | 3.54 | 4.28 | 5.05 | 5.96 | 6.8 | 7.8 | 8.5 | 9.6 | 10.3 | 11.7 | 12.8 | 14.4 | 15.5 | 17.2 | ||
r | min | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | ||
s | max=nominal size | 13 | 17 | 19 | 22 | 24 | 27 | 30 | 32 | 36 | 41 | 46 | 50 | 55 | 60 | ||
Grade A | min | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 | 26.67 | 29.67 | 31.61 | 35.38 | – | – | – | – | – | ||
Grade B | min | 12.57 | 16.57 | 18.48 | 21.16 | 23.16 | 26.16 | 29.16 | 31 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | ||
Weight of per 1000 steel products(≈kg) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
Length of Thread b | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
Screw Thread | M42 | (M45) | M48 | (M52) | M56 | (M60) | M64 | (M68) | M72 | (M76) | M80 | M90 | M100 | ||||
P | Pitch | Fine thread-1 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
Fine thread-2 | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
b | L≤125 | 90 | 96 | 102 | – | – | – | – | – | – | – | – | – | – | |||
125<L≤200 | 96 | 102 | 108 | 116 | 124 | 132 | 140 | 148 | 158 | 164 | 172 | 192 | – | ||||
L>200 | 109 | 115 | 121 | 129 | 137 | 145 | 153 | 161 | 169 | 177 | 185 | 205 | 225 | ||||
c | min | 0.3 | 0.3 | 0.3 | 0.3 | – | – | – | – | – | – | – | – | – | |||
max | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | ||||
da | max | 45.6 | 48.6 | 52.6 | 56.6 | 63 | 67 | 71 | 75 | 79 | 83 | 87 | 97 | 108 | |||
ds | max | 42 | 45 | 48 | 52 | 56 | 60 | 64 | 68 | 72 | 76 | 80 | 90 | 100 | |||
Grade A | min | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
Grade B | min | 41.38 | 44.38 | 47.38 | 51.26 | 55.26 | 59.26 | 63.26 | 67.26 | 71.26 | 75.26 | 79.26 | 89.13 | 99.13 | |||
dw | Grade A | min | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
Grade B | min | 59.9 | 64.7 | 69.4 | 74.2 | 78.7 | 83.4 | 88.2 | 92.9 | 97.7 | 102.4 | 107.2 | 121.1 | 135.4 | |||
e | Grade A | min | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
Grade B | min | 71.3 | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 | 110.51 | 116.16 | 121.81 | 127.46 | 144.08 | 161.03 | |||
k | Nominal Size | 26 | 28 | 30 | 33 | 35 | 38 | 40 | 43 | 45 | 48 | 50 | 57 | 63 | |||
Grade A | min | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
max | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
Grade B | min | 25.58 | 27.58 | 29.58 | 32.5 | 34.5 | 37.5 | 39.5 | 42.5 | 44.5 | 47.5 | 49.5 | 56.4 | 62.4 | |||
max | 26.42 | 28.42 | 30.42 | 33.5 | 35.5 | 38.5 | 40.5 | 43.5 | 45.5 | 48.5 | 50.5 | 57.6 | 63.6 | ||||
k1 | min | 17.9 | 19.3 | 20.9 | 22.8 | 24.2 | 26.2 | 27.6 | 29.8 | 31.2 | 33.2 | 34.6 | 39.5 | 43.7 | |||
r | min | 1.2 | 1.2 | 1.6 | 1.6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2.5 | 2.5 | |||
s | max=nominal size | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 130 | 145 | |||
Grade A | min | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
Grade B | min | 63.1 | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 | 97.8 | 102.8 | 107.8 | 112.8 | 127.5 | 142.5 | |||
Weight of per 1000 steel products(≈kg) | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
Length of Thread b | – | – | – | – | – | – | – | – | – | – | – | – | – |