六角头头部带孔螺栓
GB32.1
A型
(mm) | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 |
---|---|---|---|---|---|---|---|---|---|---|
P | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
da(max) | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 |
e(min) | 11.05 | 14.38 | 17.77 | 20.03 | 23.35 | 26.75 | 30.14 | 33.53 | 37.72 | 39.98 |
k(min) | 3.85 | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 | 11.28 | 12.28 | 13.78 | 14.78 |
k(max) | 4.15 | 5.45 | 6.58 | 7.68 | 8.98 | 10.18 | 11.72 | 12.72 | 14.22 | 15.22 |
r(min) | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 1 | 0.8 |
s(max) | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 |
s(min) | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 |
d1(min) | 1.6 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 |
d1(max) | 1.85 | 2.25 | 2.25 | 2.25 | 2.25 | 3.25 | 3.25 | 3.25 | 3.25 | 3.25 |
B型
(mm) | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M36 | M42 | M48 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 | 4.5 | 5 |
da(max) | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 39.4 | 45.6 | 52.6 |
e(min) | 10.89 | 14.2 | 17.59 | 19.85 | 22.78 | 26.17 | 29.56 | 32.95 | 37.29 | 39.55 | 45.2 | 50.85 | 60.79 | 72.02 | 82.6 |
k(min) | 3.76 | 5.06 | 6.11 | 7.21 | 8.51 | 9.71 | 11.15 | 12.15 | 13.65 | 14.65 | 16.65 | 18.28 | 22.08 | 25.58 | 29.58 |
k(max) | 4.24 | 5.54 | 6.69 | 7.79 | 9.09 | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 22.92 | 26.42 | 30.42 |
r(min) | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 1 | 0.8 | 1 | 1 | 1 | 1.2 | 1.6 |
s(max) | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 | 41 | 46 | 55 | 65 | 75 |
s(min) | 9.64 | 12.57 | 15.57 | 17.57 | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 | 40 | 45 | 53.8 | 63.8 | 73.1 |
d1(min) | 1.6 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
d1(max) | 1.85 | 2.25 | 2.25 | 2.25 | 2.25 | 3.25 | 3.25 | 3.25 | 3.25 | 3.25 | 3.25 | 3.25 | 4.3 | 4.3 | 4.3 |
钢 | 不锈钢 | 有色金属 | ||
通用技术条件 | GB/T 16938 | |||
螺纹 | 公差 | 6g | ||
标准 | GB/T 193、GB/T 9145 | |||
机械性能 | 等级 | 6mm≤d≤39mm:5.6 级、8.8 级、10.9 级; | d≤24mm:A2-70、A4-70; | CU2、CU3、AL4 |
d>39mm:按协议 | 24mm<d≤39mm:A2-50、A4-50; | |||
d>39mm:按协议 | ||||
标准 | 6mm≤d≤39mm:GB/T 3098.1; | d≤39mm:GB/T 3098.6; | GB/T 3098.10 | |
d>39mm:按协议 | d>39mm:按协议 | |||
公差 | 产品等级 | d≤24mm和l≤10d或l≤150mm(按较小值):A | ||
d>24mm或l>10d或l>150mm(按较小值):B | ||||
标准 | GB/T 3103.1 | |||
表面处理 | 不经处理; | 简单处理; | 简单处理; | |
电镀技术要求按GB/T 5267.1; | 钝化处理技术要求按GB/T 5267.4 | 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 | ||||
如需其他技术要求或表面处理,应由供需协议 | ||||
表面缺陷 | GB/T 5779.1 | - | ||
金属丝孔 | GB/T 5278 | |||
验收及包装 | GB/T 90.1、GB/T 90.2 |