36 十字槽自攻螺钉GB/T 845〜GB/T 847—1985标准
国标原文档下载:GB845-2017.pdf, GB846-2017.pdf, GB847-2017.pdf
十字槽自攻螺钉GB845、GB846、GB847—1985标准
十字槽自攻螺钉的尺寸规格、质量见表4.2-83〜表4.2-86。
表4.2-83 十字槽自攻螺钉的尺寸规格 (mm)
用途:
用于薄金属制件与较厚金属制件之间的螺纹联接,如汽车车厢的装配等。各种自攻螺钉的装拆,须用专用工具,十字槽自攻螺钉用十字形螺钉旋具。
螺纹规格 | ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST5.3 | ST8 | ST9.5 | ||||
p | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | ||||
a max | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | ||||
dk max | GB/T 845 | 4 | 5.6 | 7 | 8 | 9.5 | 11 | 12 | 16 | 20 | |||
GB/T 846、GB/T 847 | 3.8 | 5.5 | 7.3 | 8.4 | 9.3 | 10.3 | 11.3 | 15.8 | 18.3 | ||||
K max | GB/T 845 | 1.6 | 2.4 | 2.6 | 3.1 | 3.7 | 4 | 4.6 | 6 | 7.5 | |||
GB/T 846、GB/T 847 | 1.1 | 1.7 | 2.35 | 2.6 | 2.8 | 3 | 3.15 | 4.65 | 5.25 | ||||
rf | GB/T 847 ≈ | 4 | 6 | 8.5 | 9.5 | 9.5 | 11 | 12 | 16.5 | 19.5 | |||
GB/T 845 ≈ | 3.2 | 5 | 6 | 6.5 | 8 | 9 | 10 | 13 | 16 | ||||
f ≈ | 0.5 | 0.7 | 0.8 | 1 | 1.2 | 1.3 | 1.4 | 2 | 2.3 | ||||
十字槽 | 槽号No. | 0 | 1 | 2 | 3 | 4 | |||||||
插入深度 | GB/T 845 | H型 | min | 0.85 | 1.4 | 1.4 | 1.9 | 2.4 | 2.6 | 3.1 | 4.15 | 5.2 | |
max | 1.2 | 1.8 | 1.9 | 2.4 | 2.9 | 3.1 | 3.6 | 4.7 | 5.8 | ||||
Z型 | min | 0.95 | 1.45 | 1.5 | 1.95 | 2.3 | 2.55 | 3.05 | 4.05 | 5.25 | |||
max | 1.2 | 1.75 | 1.9 | 2.35 | 2.75 | 4 | 3.5 | 4.5 | 5.7 | ||||
GB/T 846 | H型 | min | 0.9 | 1.7 | 1.9 | 2.1 | 2.7 | 2.8 | 3 | 4 | 5.1 | ||
max | 1.2 | 2.1 | 2.4 | 2.6 | 3.2 | 3.3 | 3.5 | 4.6 | 5.7 | ||||
Z型 | min | 0.95 | 1.6 | 1.75 | 2.05 | 2.6 | 2.75 | 3 | 4.15 | 5.2 | |||
max | 1.2 | 2 | 2.2 | 2.5 | 3.05 | 3.2 | 3.45 | 4.6 | 5.65 | ||||
GB/T 847 | H型 | min | 1.2 | 1.8 | 2.25 | 2.7 | 2.9 | 2.95 | 3.5 | 4.75 | 5.5 | ||
max | 1.5 | 2.2 | 2.75 | 3.2 | 3.4 | 3.45 | 4 | 5.25 | 6 | ||||
Z型 | min | 1.15 | 1.8 | 2.25 | 2.65 | 2.9 | 2.95 | 3.4 | 4.75 | 5.6 | |||
max | 1.4 | 2.1 | 2.7 | 3.1 | 3.35 | 3.4 | 3.85 | 5.2 | 6.05 | ||||
y (参考) | C型 | 2 | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | 7.5 | 8 | |||
F型 | 1.6 | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | 4.2 | ||||
l① 商品规格范围 | GB/T 845 | 4.5~16 | 6.5~19 | 9.5~25 | 9.5~32 | 9.5〜38 | 13 〜38 | 16~50 | |||||
GB/T 846、GB/T847 | 4.5~16 | 6.5~19 | 9.5~25 | 9.5 ~32 | 13 〜38 | 16~50 |
①公称长度系列为4.5、6.5、9.5、13-25(3进级)、32、38、45、50 mm。
表4.2-84 十字槽盘头自攻螺钉的质量(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 |
ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 | |||||||||
4.5 | 0.18 | 6.5 | 0.52 | 9.5 | 0.95 | 9.5 | 1.44 | 9.5 | 2.3 | 13 | 3.51 | 13 | 4.79 | 16 | 10.79 | 16 | 20.32 |
6.5 | 0.21 | 9.5 | 0.61 | 13 | 1.11 | 13 | 1.67 | 13 | 2.6 | 16 | 3.86 | 16 | 5.27 | 19 | 11.58 | 19 | 21.55 |
9.5 | 0.27 | 13 | 0.72 | 16 | 1.24 | 16 | 1.86 | 16 | 2.87 | 19 | 4.21 | 19 | 5.74 | 22 | 12.37 | 22 | 22.78 |
13 | 0.33 | 16 | 0.81 | 19 | 1.38 | 19 | 2.06 | 19 | 3.13 | 22 | 4.56 | 22 | 6.22 | 25 | 13.16 | 25 | 24.01 |
16 | 0.38 | 19 | 0.91 | 22 | 1.52 | 22 | 2.26 | 22 | 3.4 | 25 | 4.91 | 25 | 6.7 | 32 | 15.01 | 32 | 26.89 |
25 | 1.66 | 25 | 2.45 | 25 | 3.66 | 32 | 5.73 | 32 | 7.81 | 38 | 16.59 | 38 | 29.35 | ||||
32 | 2.91 | 32 | 4.28 | 38 | 6.43 | 38 | 8.76 | 45 | 18.43 | 45 | 32.23 | ||||||
38 | 4.81 | 50 | 19.75 | 50 | 34.28 |
注:表列规格为商品规格范围。
表4.2-85 十字槽沉头自攻螺钉的质量(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 |
ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 | |||||||||
4.5 | 0.08 | 6.5 | 0.22 | 9.5 | 0.51 | 9.5 | 0.76 | 9.5 | 0.98 | 13 | 1.54 | 13 | 2 | 16 | 4.77 | 16 | 7.04 |
6.5 | 0.12 | 9.5 | 0.32 | 13 | 0.67 | 13 | 0.99 | 13 | 1.28 | 16 | 1.89 | 16 | 2.47 | 19 | 5.56 | 19 | 8.27 |
9.5 | 0.17 | 13 | 0.43 | 16 | 0.81 | 16 | 1.18 | 16 | 1.55 | 19 | 2.24 | 19 | 2.95 | 22 | 6.35 | 22 | 9.51 |
13 | 0.23 | 16 | 0.52 | 19 | 0.94 | 19 | 1.38 | 19 | 1.81 | 22 | 2.59 | 22 | 3.43 | 25 | 7.14 | 25 | 10.74 |
16 | 0.29 | 19 | 0.62 | 22 | 1.08 | 22 | 1.58 | 22 | 2.08 | 25 | 2.94 | 25 | 3.9 | 32 | 8.99 | 32 | 13.61 |
25 | 1.22 | 25 | 1.77 | 25 | 2.34 | 32 | 3.75 | 32 | 5.02 | 38 | 10.57 | 38 | 16.08 | ||||
32 | 2.23 | 32 | 2.96 | 38 | 4.45 | 38 | 5.97 | 45 | 12.41 | 45 | 18.95 | ||||||
50 | 13.73 | 50 | 21 |
注:表列规格为商品规格范围。
表4.2-86 十字槽半沉头自攻螺钉的质量(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 |
ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 | |||||||||
4.5 | 0.1 | 6.5 | 0.29 | 9.5 | 0.62 | 9.5 | 0.95 | 9.5 | 1.29 | 13 | 1.96 | 13 | 2.49 | 16 | 6.17 | 16 | 9.38 |
6.5 | 0.14 | 9.5 | 0.39 | 13 | 0.78 | 13 | 1.18 | 13 | 1.59 | 16 | 2.31 | 16 | 2.97 | 19 | 6.96 | 19 | 10.61 |
9.5 | 0.19 | 13 | 0.5 | 16 | 0.92 | 16 | 1.38 | 16 | 1.86 | 19 | 2.66 | 19 | 3.45 | 22 | 7.75 | 22 | 11.84 |
13 | 0.25 | 16 | 0.59 | 19 | 1.06 | 19 | 1.57 | 19 | 2.12 | 22 | 3.01 | 22 | 3.92 | 25 | 8.54 | 25 | 13.07 |
16 | 0.31 | 19 | 0.68 | 22 | 1.19 | 22 | 1.77 | 22 | 2.39 | 25 | 3.36 | 25 | 4.4 | 32 | 10.39 | 32 | 15.95 |
25 | 1.33 | 25 | 1.97 | 25 | 2.65 | 32 | 4.17 | 32 | 5.51 | 38 | 11.97 | 38 | 18.41 | ||||
32 | 2.43 | 32 | 3.27 | 38 | 4.87 | 38 | 6.47 | 45 | 13.81 | 45 | 21.29 | ||||||
50 | 15.13 | 50 | 23.34 |
注:表列规格为商品规格范围。