ISO 7414 Standard Hexagon nuts with large widths across flats for high strength structural bolting 的尺寸
结构螺栓用大对边六角螺母,1型-产品等级B。
该标准规定了公制尺寸和螺纹尺寸从M12到M36的系列;列出了通用尺寸、规格和参考标准、保证载荷值、公差等级6AZ的螺纹极限以及测试螺母旋转要求;并给出了名称示例。
尺寸图和技术图
关键尺寸和技术参数
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Dimensions in mm - source ISO 1984 Withdrawn |
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| Publication date: 11 - 1984 |
| d thread size | P | s | dw | e min | m | c | |||
| max | min | min | max | min | max | ||||
| M 12 | 1.75 | 21 | 20.16 | 19.2 | 22.78 | 10.37 | 10.8 | 0.15 | 0.6 |
| M 16 | 2 | 27 | 26.16 | 24.9 | 29.56 | 14.1 | 14.8 | 0.2 | 0.8 |
| M 20 | 2.5 | 34 | 33 | 31.4 | 37.29 | 16.9 | 18 | 0.2 | 0.8 |
| M 22 | 2.5 | 36 | 35 | 33.3 | 39.55 | 18.1 | 19.4 | 0.2 | 0.8 |
| M 24 | 3 | 41 | 40 | 38 | 45.2 | 20.2 | 21.5 | 0.2 | 0.8 |
| M 27 | 3 | 46 | 45 | 42.8 | 50.85 | 22.5 | 23.8 | 0.2 | 0.8 |
| M 30 | 3.5 | 50 | 49 | 46.5 | 55.37 | 24.3 | 25.6 | 0.2 | 0.8 |
| M 36 | 4 | 60 | 58.8 | 55.9 | 66.44 | 31 | 29.4 | 0.2 | 0.8 |