DIN 6921 Hexagon Flange Bolts
Short Description:
Product Name: DIN 6921 Hexagon Flange Bolts
Key Words: Bolt, DIN 6921, Hexagon Flange Bolts, hexagon bolt, Flange Bolts
Size: Diameter M5- M20, Length 10-500mm
Material: Q195, Q235 all from china large state-owned factory with quality certificates
Strength : Low Carbon Steel Grade 4.8
Surface Treatment: Zinc plated
Thread Length: Fully/half Thread
Customization: Customized head mark is available
Packing: 25kgs or 50kgs Bulk Woven Bag + Polywood Pallet
Application: Construction, electric power line, new energy industry, auto industry, etc.
Product Detail
| Screw Thread d |
M5 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
M20 |
| P |
Pitch |
Coarse thread |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
2 |
2 |
2.5 |
| Fine thread-1 |
/ |
/ |
1 |
1.25 |
1.5 |
1.5 |
1.5 |
1.5 |
| Fine thread-2 |
/ |
/ |
/ |
1 |
1.25 |
/ |
/ |
/ |
| b |
L≤125 |
|
16 |
18 |
22 |
26 |
30 |
34 |
38 |
46 |
| 125＜L≤200 |
|
/ |
/ |
28 |
32 |
36 |
40 |
44 |
52 |
| L＞200 |
|
/ |
/ |
/ |
/ |
/ |
/ |
57 |
65 |
| c |
min |
|
1 |
1.1 |
1.2 |
1.5 |
1.8 |
2.1 |
2.4 |
3 |
| da |
Form A |
max |
5.7 |
6.8 |
9.2 |
11.2 |
13.7 |
15.7 |
17.7 |
22.4 |
| Form B |
max |
6.2 |
7.4 |
10 |
12.6 |
15.2 |
17.7 |
20.7 |
25.7 |
| dc |
max |
|
11.8 |
14.2 |
18 |
22.3 |
26.6 |
30.5 |
35 |
43 |
| ds |
max |
|
5 |
6 |
8 |
10 |
12 |
14 |
16 |
20 |
| min |
|
4.82 |
5.82 |
7.78 |
9.78 |
11.73 |
13.73 |
15.73 |
19.67 |
| du |
max |
|
5.5 |
6.6 |
9 |
11 |
13.5 |
15.5 |
17.5 |
22 |
| dw |
min |
|
9.8 |
12.2 |
15.8 |
19.6 |
23.8 |
27.6 |
31.9 |
39.9 |
| e |
min |
|
8.71 |
10.95 |
14.26 |
16.5 |
17.62 |
19.86 |
23.15 |
29.87 |
| f |
max |
|
1.4 |
2 |
2 |
2 |
3 |
3 |
3 |
4 |
| k |
max |
|
5.4 |
6.6 |
8.1 |
9.2 |
11.5 |
12.8 |
14.4 |
17.1 |
| k1 |
min |
|
2 |
2.5 |
3.2 |
3.6 |
4.6 |
5.1 |
5.8 |
6.8 |
| r1 |
min |
|
0.25 |
0.4 |
0.4 |
0.4 |
0.6 |
0.6 |
0.6 |
0.8 |
| r2 |
max |
|
0.3 |
0.4 |
0.5 |
0.6 |
0.7 |
0.9 |
1 |
1.2 |
| r3 |
min |
|
0.1 |
0.1 |
0.15 |
0.2 |
0.25 |
0.3 |
0.35 |
0.4 |
| r4 |
≈ |
|
3 |
3.4 |
4.3 |
4.3 |
6.4 |
6.4 |
6.4 |
8.5 |
| s |
max=nominal size |
|
8 |
10 |
13 |
15 |
16 |
18 |
21 |
27 |
| min |
|
7.78 |
9.78 |
12.73 |
14.73 |
15.73 |
17.73 |
20.67 |
26.67 |
| t |
max |
|
0.15 |
0.2 |
0.25 |
0.3 |
0.35 |
0.45 |
0.5 |
0.65 |
| min |
|
0.05 |
0.05 |
0.1 |
0.15 |
0.15 |
0.2 |
0.25 |
0.3 |
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