内六角圆柱头机螺钉
GB70.1
(mm) | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | M24 | M30 | M36 | M42 | M48 | M56 | M64 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 |
dk(max) | 3 | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 | 24 | 30 | 36 | 45 | 54 | 63 | 72 | 84 | 96 |
dk(min) | 2.86 | 3.62 | 4.32 | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 29.67 | 35.61 | 44.61 | 53.54 | 62.54 | 71.54 | 83.46 | 95.46 |
da(max) | 2 | 2.6 | 3.1 | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 | 26.4 | 33.4 | 39.4 | 45.6 | 52.6 | 63 | 71 |
e(min) | 1.733 | 1.733 | 2.303 | 2.873 | 3.443 | 4.583 | 5.723 | 6.683 | 9.149 | 11.429 | 13.716 | 15.996 | 19.437 | 21.734 | 25.154 | 30.854 | 36.571 | 41.131 | 46.831 | 52.531 |
k(max) | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | 24 | 30 | 36 | 42 | 48 | 56 | 64 |
k(min) | 1.46 | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | 13.57 | 15.57 | 19.48 | 23.48 | 29.48 | 35.38 | 41.38 | 47.38 | 55.26 | 63.26 |
r(min) | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 1 | 1 | 1.2 | 1.6 | 2 | 2 |
s(max) | 1.58 | 1.58 | 2.08 | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | 10.175 | 12.212 | 14.212 | 17.23 | 19.275 | 22.275 | 27.275 | 32.33 | 36.33 | 41.33 | 46.33 |
s(min) | 1.52 | 1.52 | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 12.032 | 14.032 | 17.05 | 19.065 | 22.065 | 27.065 | 32.08 | 36.08 | 41.08 | 46.08 |
t(min) | 0.7 | 1 | 1.1 | 1.3 | 2 | 2.5 | 3 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 15.5 | 19 | 24 | 28 | 34 | 38 |
钢 | 不锈钢 | 有色金属 | ||
通用技术条件 | GB/T 16938 | |||
螺纹 | 公差 | 12.9 级:5g6g; | ||
其他等级:6g | ||||
标准 | GB/T 196、GB/T 197 | |||
机械性能 | 等级 | d<3mm:按协议; | d≤24mm:A2-70a、A4-70、A5-70、A3-70; | CU2、CU3 |
3mm≤d≤39mm:8.8 级、10.9 级、12.9 级; | 24mm<d≤39mm:A2-50b、A4-50、A5-50、A3-50; | |||
d>39mm:按协议 | d>39mm:按协议 | |||
标准 | GB/T 3098.1 | GB/T 3098.6 | GB/T 3098.10 | |
公差 | 产品等级 | A | ||
标准 | GB/T 3103.1 | |||
表面处理 | 氧化; | 简单处理 | 简单处理; | |
电镀技术要求按GB/T 5267.1; | 电镀技术要求按GB/T 5267.1 | |||
非电解锌片涂层技术要求按GB/T 5267.2 | ||||
表面缺陷 | 12.9级:GB/T 5779.3; | |||
其他等级:GB/T 5779.1 | ||||
验收及包装 | GB/T 90.1、GB/T 90.2 |