DIN7981
Phil Recessed Pan Head Tapping Screws 十字盘头自攻钉
 
材质            碳纲        碳纲
镀别            彩锌       兰白锌
 
 
Thread
ST2.2
ST2.9
ST3.5
ST3.9
ST4.2
ST4.8
ST5.5
ST6.3
d2
4.2
5.6
6.9
7.5
8.2
9.5
10.8
12.5
k max
1.8
2.2
2.6
2.8
3.05
3.55
3.95
4.55
m
2.6
3
4.2
4.4
4.6
5
6.5
7.1
L
4.5-50
 
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