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DIN 7984 Standard Dimensions for Hexagon socket head cap screws with low head

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This standard DIN 7984 specifies properties for sizes M3 to M24 hexagon socket head cap screws with low head of product grade A as in DIN EN ISO 4759-1, made of steel and stainless steel

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 7984
Publication date: 03/2022 - Supersedes DIN 7984: 10/2021
d thread size P dk nom=max k nom=max s nom e min t nom b (l<=125) b (l>125<=200) b (l>200)
M 3 0.5 5.5 2 2 2.3 1.5 12 - -
M 4 0.7 7 2.8 2.5 2.87 2.3 14 - -
M 5 0.8 8.5 3.5 3 3.44 2.7 16 - -
M 6 1 10 4 4 4.58 3 18 - -
M 8 1.25 13 5 5 5.72 3.8 22 28 -
M 10 1.5 16 6 7 8.01 4.5 26 32 -
M 12 1.75 18 7 8 9.15 5 30 36 -
M 14 2 21 8 10 11.43 5.3 34 40 -
M 16 2 24 9 12 13.72 5.5 38 44 57
M 18 2.5 27 10 12 13.72 6.5 42 48 61
M 20 2.5 30 11 14 16 7.5 46 52 65
M 22 2.5 33 12 14 16 8 50 56 69
M 24 3 36 13 17 19.44 8 54 60 73

Dimensions in mm - source DIN 7984
Publication date: 10/2021 - Supersedes DIN 7984: 06/2009
d thread size P dk nom=max k nom=max s nom e min t nom b (l<=125) b (l>125<=200) b (l>200)
M 3 0.5 5.5 2 2 2.3 1.5 12 - -
M 4 0.7 7 2.8 2.5 2.87 2.3 14 - -
M 5 0.8 8.5 3.5 3 3.44 2.7 16 - -
M 6 1 10 4 4 4.58 3 18 - -
M 8 1.25 13 5 5 5.72 3.8 22 28 -
M 10 1.5 16 6 7 8.01 4.5 26 32 -
M 12 1.75 18 7 8 9.15 5 30 36 -
M 14 2 21 8 10 11.43 5.3 34 40 -
M 16 2 24 9 12 13.72 5.5 38 44 57
M 18 2.5 27 10 12 13.72 6.5 42 48 61
M 20 2.5 30 11 14 16 7.5 46 52 65
M 22 2.5 33 12 14 16 8 50 56 69
M24 3 36 13 17 19.44 8 54 60 73

DIN 7984 - ≈ mass in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22 M 24
nominal length l
5 0.48
6 0.52 0.96 2.02
8 0.6 1.12 2.26 3.24 6.85
10 0.69 1.28 2.5 3.59 7.45
12 0.78 1.44 2.74 3.94 8.05
14 0.86 1.6 2.98 4.29 8.65 13.4 19.8
16 0.97 1.76 3.22 4.64 9.25 14.4 21.2
18 1.1 1.95 3.46 4.99 9.85 15.4 22.6
20 1.2 2.15 3.77 5.34 10.5 16.4 24.1 36.7 48.7
25 1.46 2.64 4.54 6.45 12 19 27.7 41.6 55.4
30 1.74 3.13 5.31 7.56 14 21.6 31.3 46.5 62.1 83 110
35 3.62 6.08 8.67 16 24.7 34.9 51.4 68.8 91 120
40 4.11 6.85 9.78 18 27.8 39.3 56.3 75.5 99 130
45 7.62 10.89 20 30.9 43.7 62.3 82.2 107 140
50 8.39 12 22 34 48.1 68.3 89.6 115 150 188 223
55 13.1 24 37.1 52.5 74.3 97 125 160 201 238
60 14.2 26 40.2 56.9 80.3 104 135 172 214 253
70 30 46.4 65.8 92.4 119 155 197 244 288
80 34 52.6 74.7 105 134 175 222 274 324
90 38 58.8 83.6 117.5 149 195 247 304 359
100 42 65 92.5 130 164 215 272 334 395
110 46 71.2 101.4 142.5 179 235 287
120 50 77.4 110.4 155 194 255 302
130 83.6 119.2 167.5 209 275 317
140 89.8 128.1 180 224 295 332
150 96 137 192.5 239 315 347
160 102.2 146 204 253 325 362

Dimensions in mm - source DIN 7984
Publication date: 06/2009 - Supersedes DIN 7984: 12/2002 edition
d thread size P dk nom=max k nom=max s nom e min t nom b (l<=125) b (l>125<=200) b (l>200)
M 3 0.5 5.5 2 2 2.3 1.5 12 - -
M 4 0.7 7 2.8 2.5 2.87 2.3 14 - -
M 5 0.8 8.5 3.5 3 3.44 2.7 16 - -
M 6 1 10 4 4 4.58 3 18 - -
M 8 1.25 13 5 5 5.72 3.8 22 28 -
M 10 1.5 16 6 7 8.01 4.5 26 32 -
M 12 1.75 18 7 8 9.15 5 30 36 -
M 14 2 21 8 10 11.43 5.3 34 40 -
M 16 2 24 9 12 13.72 5.5 38 44 57
M 18 2.5 27 10 12 13.72 6.5 42 48 61
M 20 2.5 30 11 14 16 7.5 46 52 65
M 22 2.5 33 12 14 16 8 50 56 69
M24 3 36 13 17 19.44 8 54 60 73

DIN 7984 - ≈ mass in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22 M 24
nominal length l
5 0.48
6 0.52 0.96 2.02
8 0.6 1.12 2.26 3.24 6.85
10 0.69 1.28 2.5 3.59 7.45
12 0.78 1.44 2.74 3.94 8.05
14 0.86 1.6 2.98 4.29 8.65 13.4 19.8
16 0.97 1.76 3.22 4.64 9.25 14.4 21.2
18 1.1 1.95 3.46 4.99 9.85 15.4 22.6
20 1.2 2.15 3.77 5.34 10.5 16.4 24.1 36.7 48.7
25 1.46 2.64 4.54 6.45 12 19 27.7 41.6 55.4
30 1.74 3.13 5.31 7.56 14 21.6 31.3 46.5 62.1 83 110
35 3.62 6.08 8.67 16 24.7 34.9 51.4 68.8 91 120
40 4.11 6.85 9.78 18 27.8 39.3 56.3 75.5 99 130
45 7.62 10.89 20 30.9 43.7 62.3 82.2 107 140
50 8.39 12 22 34 48.1 68.3 89.6 115 150 188 223
55 13.1 24 37.1 52.5 74.3 97 125 160 201 238
60 14.2 26 40.2 56.9 80.3 104 135 172 214 253
70 30 46.4 65.8 92.4 119 155 197 244 288
80 34 52.6 74.7 105 134 175 222 274 324
90 38 58.8 83.6 117.5 149 195 247 304 359
100 42 65 92.5 130 164 215 272 334 395
110 46 71.2 101.4 142.5 179 235 287
120 50 77.4 110.4 155 194 255 302
130 83.6 119.2 167.5 209 275 317
140 89.8 128.1 180 224 295 332
150 96 137 192.5 239 315 347
160 102.2 146 204 253 325 362

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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