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Q 220B-2012
Type H cross recessed pan head tapping screws and plain washer assemblies-type A-type F
Nom
P
dk max
dk min
k max
k min
No.
M
t min
t max
d1 max
d1 min
h
dc max
ST2.9
1.1
5.6
5.3
2.4
2.15
1
3
1.4
1.8
2.56
2.46
1
7
ST3.5
1.3
7
6.64
2.6
2.35
2
3.9
1.4
1.9
3.1
3
1
8
ST4.2
1.4
8
7.64
3.1
2.8
2
4.4
1.9
2.4
3.67
3.55
1
9
ST4.8
1.6
9.5
9.14
3.7
3.4
2
4.9
2.4
2.9
4.18
4.06
1
10
ST5.5
1.8
11
10.57
4
3.7
3
6.4
2.6
3.1
4.82
4.7
1.6
12
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