m8螺母尺寸是多少,m8螺母尺寸是螺母尺寸中的一种,而螺母有是螺帽中的其中一种,螺母有分为六角螺母、薄螺母、加厚螺母、开槽螺母、方螺母、盖形螺母、防盗螺母、法兰面螺母、蝶型螺母、吊环螺母、圆螺母、焊接螺母、T型螺母、四爪螺母、K帽、自锁螺母、防松螺母、锥型螺母、不锈钢螺母、内外牙螺母、尼龙螺母、盘型螺母、弹簧螺母、细牙螺母、反牙螺母、轮毂螺母、高强度螺母、卡式螺母、簧片螺母、管螺母、嵌入螺母、扭矩螺母、其它螺母、锁紧螺母、拉铆螺母、铜螺母、螺帽、塑料螺母、英制螺母、手机螺母、预埋螺母、塑翼螺母等各种不同形态的螺母。
| 螺栓型号 | 厚螺母厚度m | 平垫厚度h | 弹垫厚度s | 薄螺母厚度m | 全长L | L(双螺母) |
| M1.6 | 0.3 | 1 | 1.3 | |||
| M2 | 0.3 | 0.5 | 1.2 | 2 | ||
| M2.5 | 0.5 | 0.65 | 1.6 | 2.75 | ||
| M3 | 0.5 | 0.8 | 1.8 | 3.1 | ||
| M3.5 | 0.5 | 2 | 2.5 | |||
| M4 | 0.8 | 1.1 | 2.2 | 4.1 | ||
| M5 | 5.6 | 1 | 1.3 | 2.7 | 7.9 | 10.6 |
| M6 | 6.4 | 1.6 | 1.6 | 3.2 | 9.6 | 12.8 |
| M8 | 7.9 | 1.6 | 2.1 | 4 | 11.6 | 15.6 |
| M10 | 9.5 | 2 | 2.6 | 5 | 14.1 | 19.1 |
| M12 | 12.2 | 2.5 | 3.1 | 6 | 17.8 | 23.8 |
| M14 | 13.9 | 2.5 | 3.6 | 7 | 20 | 27 |
| M16 | 15.9 | 3 | 4.1 | 8 | 23 | 31 |
| M18 | 16.9 | 3 | 4.5 | 9 | 24.4 | 33.4 |
| M20 | 19 | 3 | 5 | 10 | 27 | 37 |
| M22 | 20.2 | 3 | 5.5 | 11 | 28.7 | 39.7 |
| M24 | 22.3 | 4 | 6 | 12 | 32.3 | 44.3 |
| M27 | 24.7 | 4 | 6.8 | 13.5 | 35.5 | 49 |
| M30 | 26.4 | 4 | 7.5 | 15 | 37.9 | 52.9 |
| M33 | 29.5 | 5 | 8.5 | 16.5 | 43 | 59.5 |
| M36 | 31.9 | 5 | 9 | 18 | 45.9 | 63.9 |
| M39 | 34.3 | 6 | 10 | 19.5 | 50.3 | 69.8 |
锁紧螺母标准
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