15 开槽带孔球面圆柱头螺钉GB/T 832—1988标准
开槽带孔球面圆柱头螺钉GB832—1988标准
开槽带孔球面圆柱头螺钉的尺寸规格、质量见表4.2-37、表4.2-38。
表4.2-37 开槽带孔球面圆柱头螺钉的尺寸规格 (mm)
| 螺纹规格d (6g) | Ml.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 |
| dk max | 3 | 3.5 | 4.2 | 5 | 7 | 8.5 | 10 | 12.5 | 15 |
| K max | 2.6 | 3 | 3.6 | 4 | 5 | 6.5 | 8 | 10 | 12.5 |
| n 公称 | 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.2 | 1.5 | 2 | 2.5 |
| t min | 0.6 | 0.7 | 0.9 | 1 | 1.4 | 1.7 | 2 | 2.5 | 3 |
| d1 min | 1 | 1 | 1.2 | 1.5 | 2 | 2 | 3 | 3 | 4 |
| H 公称 | 0.9 | 1 | 1.2 | 1.5 | 2 | 2.5 | 3 | 4 | 5 |
| R ≈ | 5 | 6 | 8 | 10 | 15 | 20 | 25 | ||
| b | 15 | 16 | 17 | 18 | 20 | 22 | 24 | 28 | 32 |
| l① 通用规格范围 | 2.5~16 | 2.5~20 | 3~25 | 4〜30 | 6~40 | 8~50 | 10~60 | 12〜60 | 20~60 |
①公称长度系列为：2.5、3、4、5、6-16(2进级）、20-60 mm(5 mm进级)。
表4.2-38 开槽带孔球面圆柱头螺钉的质量（kg)
每1000件钢制品的大约质量
| l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G |
| Ml.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | |||||||||
| 2.5 | 0.09 | 2.5 | 0.16 | 3 | 0.3 | 4 | 0.47 | 6 | 1.24 | 8 | 2.79 | 10 | 4.57 | 12 | 10.02 | 20 | 21.04 |
| 3 | 0.1 | 3 | 0.17 | 4 | 0.33 | 5 | 0.51 | 8 | 1.39 | 10 | 3.03 | 12 | 4.91 | (14) | 10.64 | 25 | 23.5 |
| 4 | 0.11 | 4 | 0.19 | 5 | 0.36 | 6 | 0.55 | 10 | 1.54 | 12 | 3.27 | (14) | 5.26 | 16 | 11.26 | 30 | 25.95 |
| 5 | 0.12 | 5 | 0.21 | 6 | 0.39 | 8 | 0.64 | 12 | 1.69 | (14) | 3.51 | 16 | 5.6 | 20 | 12.5 | 35 | 28.41 |
| 6 | 0.13 | 6 | 0.23 | 8 | 0.44 | 10 | 0.72 | (14) | 1.84 | 16 | 3.75 | 20 | 6.28 | 25 | 14.06 | 40 | 30.87 |
| 8 | 0.15 | 8 | 0.26 | 10 | 0.5 | 12 | 0.81 | 16 | 1.99 | 20 | 4.23 | 25 | 7.14 | 30 | 15.61 | 45 | 33.32 |
| 10 | 0.18 | 10 | 0.3 | 12 | 0.56 | (14) | 0.89 | 20 | 2.29 | 25 | 4.83 | 30 | 8 | 35 | 17.17 | 50 | 35.78 |
| 12 | 0.2 | 12 | 0.33 | (14) | 0.62 | 16 | 0.98 | 25 | 2.67 | 30 | 5.43 | 35 | 8.86 | 40 | 18.72 | (55) | 38.23 |
| (14) | 0.22 | (14) | 0.37 | 16 | 0.67 | 20 | 1.15 | 30 | 3.04 | 35 | 6.03 | 40 | 9.71 | 45 | 20.28 | 60 | 40.69 |
| 16 | 0.24 | 16 | 0.4 | 20 | 0.79 | 25 | 1.36 | 35 | 3.42 | 40 | 6.63 | 45 | 10.57 | 50 | 21.83 | ||
| 20 | 0.47 | 25 | 0.93 | 30 | 1.57 | 40 | 3.79 | 45 | 7.23 | 50 | 11.43 | 55 | 23.39 | ||||
| 50 | 7.83 | (55) | 12.28 | 60 | 24.94 | ||||||||||||
| 60 | 13.14 | ||||||||||||||||
注：表列规格为通用规格。尽可能不采用括号内的规格。