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Unit:mm

High Strength Bolts for Joints of Space Grid Structures

GB /T 16939 - 2016

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国标GB /T16939 - 2016 GB16939 16939GB High Strength Bolts for Joints of Space Grid Structures
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Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
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Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Thread Size
d
M12 M14 M16 M20 M24 M27 M30 M36 M39 M42
P Pitch
b min
max
dk max
min
ds max
min
k Nominal Size
max
min
L Nominal Size
max
min
L1 Nominal Size
max
min
L2 ≈
L3
n max
min
t1 max
min
t2 max
min
c ≈
r min
per 1000 units ≈ kg
1.75 2 2 2.5 3 3 3.5 4 4 4.5
15 17 20 25 30 33 37 44 47 50
18.5 21 24 30 36 39 44 52 55 59
18 21 24 30 36 41 46 55 60 65
17.38 20.38 23.48 29.48 35.38 40.38 45.38 54.26 59.26 64.26
12.35 14.35 16.35 20.42 24.42 27.42 30.42 36.5 39.5 42.5
11.65 13.65 15.65 19.58 23.58 26.58 29.58 35.5 38.5 41.5
6.4 7.5 10 12.5 15 17 18.7 22.5 25 26
7.15 8.25 10.75 13.4 15.9 17.9 19.75 23.55 26.05 27.05
5.65 6.75 9.25 11.6 14.1 16.1 17.65 21.45 23.95 24.95
50 54 62 73 82 90 98 125 128 136
50.8 54.95 62.95 73.95 83.1 91.1 99.1 126.25 129.25 137.25
49.2 53.05 61.05 72.05 80.9 88.9 96.9 123.75 126.75 134.75
18 18 22 24 24 28 28 43 43 43
18.35 18.35 22.42 24.42 24.42 28.42 28.42 43.50 43.50 43.50
17.65 17.65 21.58 23.58 23.58 27.58 27.58 42.50 42.50 42.50
10 10 13 16 18 20 24 26 26 30
4 4 4 4 4 4 4 4 4 4
3.3 3.3 3.3 5.3 5.3 6.3 6.3 8.36 8.36 8.36
3 3 3 5 5 6 6 8 8 8
2.8 2.8 2.8 3.3 3.3 4.38 4.38 5.38 5.38 5.38
2.2 2.2 2.2 2.7 2.7 3.62 3.62 4.62 4.62 4.62
2.3 2.3 2.3 2.8 2.8 3.3 3.3 4.38 4.38 4.38
1.7 1.7 1.7 2.2 2.2 2.7 2.7 3.62 3.62 3.62
1.5 1.5 1.5 1.5 2.0 2.0 2.5 2.5 3.0 3.0
0.8 0.8 0.8 1.0 1.0 1.5 1.5 1.5 2.0 2.0
51.39 77.82 122.8 229.6 381 542.2 736.4 1330 1655 2034
Thread Size
d
M45 M48 M56 M60 M64 M68 M72 M76 M80 M85
P Pitch
b min
max
dk max
min
ds max
min
k Nominal Size
max
min
L Nominal Size
max
min
L1 Nominal Size
max
min
L2 ≈
L3
n max
min
t1 max
min
t2 max
min
c ≈
r min
per 1000 units ≈ kg
4.5 5 4 4 4 4 4 4 4 4
55 58 66 70 74 78 83 87 92 98
64 68 74 78 82 86 91 95 100 106
70 75 90 95 100 100 105 110 125 125
69.26 74.26 89.13 94.13 99.13 99.13 104.13 109.13 124 124
45.5 48.5 56.6 60.6 64.6 68.68 72.72 76.76 80.8 85.85
44.5 47.5 55.86 59.86 63.86 67.94 71.98 76.02 80.06 84.98
28 30 35 38 40 45 45 50 55 55
29.05 31.05 36.25 39.25 41.25 46.39 46.39 51.55 56.71 56.71
26.95 28.95 33.75 36.75 38.75 43.56 43.56 48.4 53.24 53.24
145 148 172 196 205 215 230 240 245 265
146.25 149.25 173.25 197.45 206.45 217.3 232.2 242.3 247.3 267.6
143.75 146.75 170.75 194.55 203.55 212.3 227.7 237.7 242.7 262.4
48 48 53 53 58 58 63 63 63 68
48.50 48.50 53.60 53.60 58.60 58.6 63.6 63.6 63.6 68.6
47.50 47.50 52.40 52.40 57.40 57.4 62.4 62.4 62.4 67.4
30 30 42 57 57 65 70 75 80 85
4 4 4 4 4 4 4 4 4 4
8.36 8.36 8.36 8.36 8.36 8.36 8.36 8.36 8.36 8.36
8 8 8 8 8 8 8 8 8 8
5.38 5.38 5.38 5.38 5.38 5.38 5.38 5.38 5.38 5.38
4.62 4.62 4.62 4.62 4.62 4.62 4.62 4.62 4.62 4.62
4.38 4.38 4.38 4.38 4.38 4.38 4.38 4.38 4.38 4.38
3.62 3.62 3.62 3.62 3.62 3.62 3.62 3.62 3.62 3.62
3.0 3.0 3.0 3.5 3.5 3.5 3.5 3.5 4.0 4.0
2.0 2.0 2.5 2.5 2.5 2.5 3.0 3.0 3.0 3.0
2515 2975 4863 6217 7368 - - - - -

Alternative history

GB /T 16939 - 1997 GB /T 16939 - 2016
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