UNI 7910
十字槽沉头双线高低牙自攻螺钉
Cross recessed countersunk head tapping screws with rapid thread-type H
尺寸规格 规格X长度(P)
下载图纸
标准数据
- ST3-ST4
- ST4.5-ST5.5
- ST6-ST7
(mm)
P
dk max
dk min
k max
k min
M
t max
t min
ST3
2.1
4.9
4.6
1.5
0.6
2.7
1.6
1.3
ST3.5
2.5
5.5
5.2
1.7
0.9
3.4
2.21
1.81
ST4
2.7
6.8
6.44
2.1
1.2
4.6
2.39
1.89
ST4.5
2.8
7.5
7.14
2.3
1.3
4.7
2.54
2.04
ST5
3
8.1
7.74
2.5
1.4
4.9
2.74
2.24
ST5.5
3
9.5
9.14
3
1.5
5.4
3.2
2.7
ST6
3.1
10.8
10.37
3.4
1.7
7
3.53
3.02
ST7
3.5
12.4
11.97
3.8
2
7.4
3.96
3.46
