Hexagon socket head cap screw Hexagon socket bolts
Cylindrical head socket head screws, also referred to as socket head bolts, cup head screws, and socket head screws, have different names, but they represent the same meaning. The commonly used hexagon socket head cap screws also have grades 4.8, 8.8, 10.9, and 12.9. Also known as hexagon socket screws, also known as hexagon socket bolts. Its head is hexagonal and also cylindrical.
|
Thread size （d） |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
||
|
P |
pitch of screws |
0.5 |
0.7 |
0.8 |
1.0 |
1.25 |
1.5 |
1.75 |
|
|
b |
b（consult） |
18 |
20 |
22 |
22 |
28 |
32 |
36 |
|
|
dk |
Maximum |
Smooth head |
5.5 |
7.0 |
8.5 |
10.0 |
13.0 |
16.0 |
18.0 |
|
Knurled head |
5.68 |
7.22 |
8.72 |
10.22 |
13.27 |
16.27 |
18.27 |
||
|
minimum |
5.32 |
6.78 |
8.28 |
9.78 |
12.73 |
15.73 |
17.73 |
||
|
ds |
Maximum |
3.00 |
4.00 |
5.00 |
6.00 |
8.00 |
10.00 |
12.00 |
|
|
minimum |
2.86 |
3.82 |
4.82 |
5.82 |
7.78 |
9.78 |
11.73 |
||
|
k |
Maximum |
3.00 |
4.00 |
5.00 |
6.00 |
8.00 |
10.00 |
12.00 |
|
|
minimum |
2.86 |
3.82 |
4.82 |
5.70 |
7.64 |
9.64 |
11.57 |
||
|
s |
nominal |
2.5 |
3.0 |
4.0 |
5.0 |
6.0 |
8.0 |
10.0 |
|
|
Maximum |
2.58 |
3.080 |
4.095 |
5.140 |
6.140 |
8.175 |
10.175 |
||
|
minimum |
2.52 |
3.020 |
4.020 |
5.020 |
6.020 |
8.025 |
10.025 |
||
|
t |
minimum |
1.3 |
2.0 |
2.5 |
3.0 |
4.0 |
5.0 |
6.0 |
|
According to material, there are stainless steel and iron. Stainless steel has stainless steel SUS202 hexagon socket head cap screws. This is made of stainless steel and is made of ordinary materials. There are stainless steel SUS304 hexagon socket head cap screws and stainless steel SUS316 hexagon socket head cap screws. Iron is classified according to the strength grade of hexagon socket head cap screws, including Grade 4.8 hexagon socket head cap screws, Grade 8.8 hexagon socket head cap screws, Grade 10.9 hexagon socket head cap screws, and Grade 12.9 hexagon socket head cap screws. Grade 8.8 to Grade 12.9 hexagon socket head cap screws are called high-strength and high-grade hexagon socket bolts.
Hexagon socket bolts are divided into ordinary and high-strength bolts according to their grade strength. Ordinary hexagon socket bolts refer to Grade 4.8, and high-strength hexagon socket bolts refer to Grade 8.8 or above, including Grade 10.9 and 12.9. Grade 12.9 hexagon socket bolts generally refer to knurled, natural colored, oily black hexagon socket cup head screws.
Due to different screw sizes and regions, shipping costs may vary. If you have any questions or want to know the detailed shipping cost, please contact customer service to solve it for you.
