14 C级1型六角开槽螺母GB/T 6179—1986标准
C级1型六角开槽螺母GB6179—1986标准
C级1型六角开槽螺母尺寸规格、质量见表4.3-23、表4.3-24。
表4.3-23 C级1型六角开槽螺母的尺寸规格（mm)
| 螺纹规格 D (6H) | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | M20 | M24 | M30 | M36 | |
| dw min | 6.9 | 8.7 | 11.5 | 14.5 | 16.5 | 19.2 | 22 | 27.7 | 33.2 | 42.7 | 51.1 | |
| e min | 8.63 | 10.89 | 14.2 | 17.59 | 19.85 | 22.78 | 26.17 | 32.95 | 39.55 | 50.85 | 60.79 | |
| s | max | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 30 | 36 | 46 | 55 |
| min | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 20.16 | 23.16 | 29.16 | 35 | 45 | 53.8 | |
| m max | 7.6 | 8.9 | 10.94 | 13.54 | 17.17 | 18.9 | 21.9 | 25 | 30.3 | 35.4 | 40.9 | |
| m’ rain | 3.5 | 3.9 | 5.1 | 6.4 | 8.3 | 9.7 | 11.3 | 13.5 | 16.2 | 19.5 | 23.5 | |
| W | max | 5.6 | 6.4 | 7.94 | 9.54 | 12.17 | 13.9 | 15.9 | 19 | 22.3 | 26.4 | 31.9 |
| min | 4.4 | 4.9 | 6.44 | 8.04 | 10.37 | 12.1 | 14.1 | 16.9 | 20.2 | 24.3 | 29.4 | |
| n min | 1.4 | 2 | 2.5 | 2.8 | 3.5 | 3.5 | 4.5 | 5.5 | 7 | |||
| 开口销 | 1.2×12 | 1.6×14 | 2×16 | 2.5×20 | 3.2×22 | 3.2×26 | 4×28 | 4×36 | 5×40 | 6.3×50 | 6.3×65 | |
注：尽可能不采用括号内的规格。
表4.3-24 C级1型六角开槽螺母的质量 (kg)
每1000件钢制品的大约质量
| 螺纹规格 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | M20 | M24 | M30 | M36 |
| 质量 | 1.22 | 2.36 | 5.03 | 9.86 | 14.84 | 21.62 | 33.35 | 64.06 | 41.5 | 228.5 | 387.8 |