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DIN 7999-1983
High strength hexagon fit bolts with large widths across flats for structural steel bolting
Nom
P
ds max
ds min
e min
k
r min
s max
M12
1.75
12.85
12.74
22.78
8
0.8
21
M16
2
16.85
16.74
29.56
10
0.8
27
M20
2.5
20.84
20.71
37.29
13
1.2
34
M22
2.5
22.84
22.71
39.55
14
1.2
36
M24
3
24.84
24.71
45.2
15
1.2
41
M27
3
27.84
27.71
50.85
17
1.5
46
M30
3.5
30.83
30.67
55.37
19
1.5
50
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WENZHOU FENGDING FASTENER MANUFACTURING CO.,LTD
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Zhengjiang
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Zhejiang Gemcai Metal Products Co., Ltd.
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Zhejiang
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Cap screws & Hex bolts Grade 12.9 bolts and higher High strength Cap screws & Hex bolts Flange bolt U bolts, V bolts, L bolts
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JIAXING CITY QUNBANG HARDWARE CO.,LTD
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Standard list:
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Hexagon nuts Hexagon slotted and castle nuts Flange nuts Heavy hex nuts Hexagon domed or cap nuts
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