DIN7983
Phil Recessed Raised Countersunk Head Tapping ScrewsʮְͷԹ
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Thread
ST2.2
ST2.9
ST3.5
ST3.9
ST4.2
ST4.8
ST5.5
ST6.3
d2
4.3
5.5
6.8
7.5
8.1
9.5
10.8
12.4
k
1.3
1.7
2.1
2.3
2.5
3
3.4
3.8
m
2.8
3.4
4.6
4.7
4.9
5.4
7
7.4
f
0.7
0.9
1.2
1.3
1.4
1.5
1.7
2
L
4.5-50
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