Low Socket Head Cap Screw
Standard: DIN7984
Material: 45# steel
Strength grade: 8.8
Products Description
Low Socket Head Cap Screw is a commonly used type of hexagon socket screw. It is characterized by a shorter cylindrical head, also known as Thin hexagon socket screw (DIN7984). The materials include carbon steel grade 8.8 (blue white zinc), alloy steel grade 12.9 (blue white zinc), stainless steel SUS304 & SUS316.
Low Socket Head Cap Screw it can be divided into machine screws, set screws and special purpose screws according to their uses. Machine screws are used to fasten parts, set screws are used to fix the relative position of parts, and special purpose screws such as eye screws are used to hoist parts.
Low Socket Head Cap Screw is widely used in various industrial equipment, such as machine tool equipment, chemical equipment, water pumps, ships and power equipment. They are often related to the maintenance and repair of mechanical equipment because they can be easily installed and disassembled in narrow spaces
Products Description
|
d |
p |
b |
dk |
k |
s |
t |
||||||
|
L≦125 |
125≦L≦200 |
L≥200 |
max |
min |
max |
min |
max |
min |
max |
min |
||
|
M4 |
0.7 |
14 |
/ |
/ |
7 |
6.78 |
2.8 |
2.66 |
2.6 |
2.52 |
2.42 |
2.18 |
|
M5 |
0.8 |
16 |
/ |
/ |
8.5 |
8.28 |
3.5 |
3.32 |
3.1 |
3.02 |
2.82 |
2.58 |
|
M6 |
1 |
18 |
/ |
/ |
10 |
9.78 |
4 |
3.82 |
4.12 |
4.02 |
3.12 |
2.28 |
|
M8 |
1.25 |
22 |
28 |
/ |
13 |
12.73 |
5 |
4.82 |
5.14 |
5.02 |
3.95 |
3.65 |
|
M10 |
1.5 |
26 |
32 |
/ |
16 |
15.73 |
6 |
5.82 |
7.175 |
7.025 |
4.65 |
4.35 |
|
M12 |
1.75 |
30 |
36 |
/ |
18 |
17.73 |
7 |
6.78 |
8.175 |
8.025 |
5.15 |
4.85 |
|
M14 |
2 |
34 |
40 |
/ |
21 |
20.67 |
8 |
7.78 |
10.175 |
10.03 |
5.45 |
5.15 |
|
M16 |
2 |
38 |
44 |
28 |
24 |
23.67 |
9 |
8.78 |
12.212 |
12.03 |
5.65 |
5.35 |
|
M18 |
2.5 |
42 |
48 |
32 |
27 |
29.67 |
10 |
9.78 |
12.212 |
12.03 |
6.68 |
6.32 |
|
M20 |
2.5 |
46 |
52 |
36 |
30 |
32.61 |
11 |
10.73 |
14.212 |
14.03 |
7.68 |
7.32 |
Products Description
production process
usually includes the following steps
Material selection
Carbon, alloy or stainless steel, regarding to use environment, mechanical load and service life.
Sheet shearing
Cutting the required length from the raw material steel plate.
Sheet stamping
Punching the inner contour, outer contour and spiral pattern on the sheet.
Extrusion molding
Extruding the punched sheet into the bolt bar.
Straightening
Stretching the bolt bar to make it straight.
Cold heading
Cold processing the stretched bolt bar to form an inner hexagon.
Turning
Processing the hex surface into an internal thread to complete the processing of the hexagon socket screw.
improve performance
Heat treatment,hot-dip galvanizing etc. To improve corrosion resistance and aesthetics.
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