GB/T 15856.4-1995
六角法兰面自钻自攻螺钉
Hexagon flange head drilling screw with tapping screw thread
尺寸规格 规格X长度(P)
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标准数据
- ST3.5-ST4.8
- ST5.5-ST6.3
(mm)
P
a max
dc max
dc min
s max
s min
e min
k max
r max
Drilling plate thickness min
Drilling plate thickness max
z min
ST3.5
1.3
1.3
8.3
7.6
5.5
5.32
5.96
3.45
0.5
0.7
2.25
6.8
ST4.2
1.4
1.4
8.8
8.1
7
6.78
7.59
4.25
0.6
1.75
3
8.7
ST4.8
1.6
1.6
10.5
9.8
8
7.78
8.71
4.45
0.7
1.75
4.4
9.3
ST5.5
1.8
1.8
11
10
8
7.78
8.71
5.45
0.8
1.75
5.25
11
ST6.3
1.8
1.8
13.5
12.2
10
9.78
10.95
5.45
0.9
2
6
12
