The 2507 Duplex Stainless Steel GB5783 Hex Socket Flat Head Bolt is a specialized fastener made from super duplex stainless steel (2507), designed according to the Chinese national standard GB5783. This Hex Socket Flat Head Bolt features a hexagonal socket for driving and a flat head profile, making it suitable for applications requiring high corrosion resistance, strength, and durability, such as marine environments, chemical processing, oil and gas industries, and other harsh conditions where both mechanical performance and corrosion resistance are critical.
Parameter Information
|
Brand name |
Hexagon shank bolt |
|
Standard |
GB5783 |
|
Head shape |
Hexagon outside |
|
Wood quality |
2507 Stainless steel |
|
Standard type |
National standard |
|
Surface treatment |
Stainless steel washing |
|
Packaging |
Packaging bag + carton packaging |
Specification
|
d |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
||
|
e |
min |
Grade A |
6.01 |
7.66 |
8.79 |
11.05 |
14.38 |
17.77 |
20.03 |
23.36 |
26.75 |
|
Grade B |
5.88 |
7.5 |
8.63 |
10.89 |
14.2 |
17.59 |
19.85 |
22.78 |
26.17 |
||
|
k |
Nominal name |
2 |
2.8 |
3.5 |
4 |
5.3 |
6.4 |
7.5 |
8.8 |
10 |
|
|
Grade A |
min |
1.875 |
2.675 |
3.35 |
3.85 |
5.15 |
6.22 |
7.32 |
8.62 |
9.82 |
|
|
max |
2.125 |
2.925 |
3.65 |
4.15 |
5.45 |
6.58 |
7.68 |
8.98 |
10.18 |
||
|
Grade B |
min |
1.8 |
2.6 |
3.26 |
3.76 |
5.06 |
6.11 |
7.21 |
8.51 |
9.71 |
|
|
max |
2.2 |
3 |
3.74 |
4.24 |
5.54 |
6.69 |
7.79 |
9.09 |
10.29 |
||
|
s |
Grade A |
min |
5.5 |
7 |
8 |
10 |
13 |
16 |
18 |
21 |
24 |
|
max |
5.32 |
6.78 |
7.78 |
9.78 |
12.73 |
15.73 |
17.73 |
20.67 |
23.67 |
||
|
Grade B |
min |
5.2 |
6.64 |
7.64 |
9.64 |
12.57 |
15.57 |
17.57 |
20.16 |
23.16 |
|
|
max |
5.5 |
7 |
8 |
10 |
13 |
16 |
18 |
21 |
24 |
||
