DIN 34801 Standard Bolts and screws with hexalobular head with large flange 的尺寸
大法兰内六角头螺栓和螺钉
本标准规定了M5至M20粗牙和细牙螺纹钢制大法兰内六角头螺栓的尺寸和技术交货条件,性能等级为8.8级、10.9级、A2-70级和A4-70级,产品等级为A级和B级。
尺寸图和技术图
关键尺寸和技术参数
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Dimensions in mm - source DIN 34801 |
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| Publication date: 08/2021 Supersedes 12/1999 | ||||||||||
| d thread size | P | k max=nom | c min/max |
dc nom=max | ds min/max | r | l | dt nom | ||
| M 5 | 0.8 | 6.5 | 1.45 | 1.70 | 11.80 | 4.82 | 5 | 0.2 | 0.9 | 7.3 |
| M 6 | 1 | 7.5 | 1.75 | 2 | 14.20 | 5.82 | 6 | 0.25 | 0.9 | 9.2 |
| M 8 | 1.25 | 10 | 2.65 | 2.9 | 17.9 | 7.78 | 8 | 0.4 | 0.9 | 10.95 |
| M 10 | 1.5 | 12 | 3.60 | 3.9 | 21.8 | 9.78 | 10 | 0.4 | 1.3 | 12.65 |
| M 12 | 1.75 | 14 | 4.10 | 4.40 | 26 | 11.73 | 12 | 0.6 | 1.3 | 16.4 |
| M 14 | 2 | 16 | 5.10 | 5.40 | 29.9 | 13.73 | 14 | 0.6 | 1.3 | 18.15 |
| M 16 | 2 | 19 | 5.50 | 5.8 | 34.5 | 15.73 | 16 | 0.6 | 1.3 | 21.85 |
| M 18 | 2.5 | 21.5 | 6 | 6.4 | 38.6 | 17.73 | 18 | 0.6 | 1.4 | 25.4 |
| M 20 | 2.5 | 24 | 6.5 | 6.9 | 42.8 | 19.67 | 20 | 0.8 | 1.4 | 28.9 |
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Dimensions in mm - source DIN 34801 |
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| Publication date: 12/1999 | |||||||||
| d thread size | P | b | k max=nom | c min/max |
dc nom=max | ds min/max | df nom | ||
| M 5 | 0.8 | 40 | 6.5 | 1.45 | 1.70 | 11.80 | 4.82 | 5 | 7.3 |
| M 6 | 1 | 50 | 7.5 | 1.75 | 2 | 14.20 | 5.82 | 6 | 9.2 |
| M 8 | 1.25 | 65 | 10 | 2.65 | 2.9 | 17.9 | 7.78 | 8 | 10.95 |
| M 10 | 1.5 | 80 | 12 | 3.60 | 3.9 | 21.8 | 9.78 | 10 | 12.65 |
| M 12 | 1.75 | 80 | 14 | 4.10 | 4.40 | 26 | 11.73 | 12 | 16.4 |
| M 14 | 2 | 80 | 16 | 5.10 | 5.40 | 29.9 | 13.73 | 14 | 18.15 |
| M 16 | 2 | 80 | 19 | 5.50 | 5.8 | 34.5 | 15.73 | 16 | 21.85 |
| M 18 | 2.5 | 80 | 21.5 | 6 | 6.4 | 38.6 | 17.73 | 18 | 25.4 |
| M 20 | 2.5 | 80 | 24 | 6.5 | 6.9 | 42.8 | 19.67 | 20 | 28.9 |