Factory Price Hex Socket Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide – Hongji
Factory Price Hex Socket Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide – Hongji
Factory Price Hex Socket Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide – Hongji Detail:
Description
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|
d |
M1.4 |
M1.6 |
M2 |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
(M14) |
M16 |
(M18) |
M20 |
|
|
P |
Coarse thread |
0.3 |
0.35 |
0.4 |
0.45 |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
2 |
2 |
2.5 |
2.5 |
|
Fine thread |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
1 |
1.25 |
1.5 |
1.5 |
1.5 |
2 |
2 |
|
|
Very Fine thread |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
1 |
1.25 |
/ |
/ |
1.5 |
1.5 |
|
|
b |
Reference value |
14 |
15 |
16 |
17 |
18 |
20 |
22 |
24 |
28 |
32 |
36 |
40 |
44 |
48 |
52 |
|
dk |
Max （Smooth） |
2.6 |
3 |
3.8 |
4.5 |
5.5 |
7 |
8.5 |
10 |
13 |
16 |
18 |
21 |
24 |
27 |
30 |
|
Max （Knurl*） |
2.74 |
3.14 |
3.98 |
4.68 |
5.68 |
7.22 |
8.72 |
10.22 |
13.27 |
16.27 |
18.27 |
21.33 |
24.33 |
27.33 |
30.33 |
|
|
Min |
2.46 |
2.86 |
3.62 |
4.32 |
5.32 |
6.78 |
8.28 |
9.78 |
12.73 |
15.73 |
17.73 |
20.67 |
23.67 |
26.67 |
29.67 |
|
|
ds |
Max |
1.4 |
1.6 |
2 |
2.5 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
|
Min |
1.26 |
1.46 |
1.86 |
2.36 |
2.86 |
3.82 |
4.82 |
5.82 |
7.78 |
9.78 |
11.73 |
13.73 |
15.73 |
17.73 |
19.67 |
|
|
k |
Max |
1.4 |
1.6 |
2 |
2.5 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
|
Min |
1.26 |
1.46 |
1.86 |
2.36 |
2.86 |
3.82 |
4.82 |
5.7 |
7.64 |
9.64 |
11.57 |
13.57 |
15.57 |
17.57 |
19.48 |
|
|
s |
Nominal |
1.3 |
1.5 |
1.5 |
2 |
2.5 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
14 |
17 |
|
Min |
1.32 |
1.52 |
1.52 |
2.02 |
2.52 |
3.02 |
4.02 |
5.02 |
6.02 |
8.025 |
10.025 |
12.032 |
14.032 |
14.032 |
17.05 |
|
|
Max |
1.36 |
1.56 |
1.56 |
2.06 |
2.58 |
3.08 |
4.095 |
5.14 |
6.14 |
8.175 |
10.175 |
12.212 |
14.212 |
14.212 |
17.23 |
|
|
t |
Min |
0.6 |
0.7 |
1 |
1.1 |
1.3 |
2 |
2.5 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
Thread length=b |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
|
d |
(M22) |
M24 |
(M27) |
M30 |
(M33) |
M36 |
M42 |
M48 |
M56 |
M64 |
M72 |
M80 |
M90 |
M100 |
|
|
P |
Coarse thread |
2.5 |
3 |
3 |
3.5 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
6 |
6 |
6 |
6 |
|
Fine thread |
2 |
2 |
2 |
2 |
2 |
3 |
3 |
3 |
4 |
4 |
4 |
4 |
4 |
4 |
|
|
Very Fine thread |
1.5 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
|
|
b |
Reference value |
56 |
60 |
66 |
72 |
78 |
84 |
96 |
108 |
124 |
140 |
156 |
172 |
192 |
212 |
|
dk |
Max （Smooth） |
33 |
36 |
40 |
45 |
50 |
54 |
63 |
72 |
84 |
96 |
108 |
120 |
135 |
150 |
|
Max （Knurl*） |
33.39 |
36.39 |
40.39 |
45.39 |
50.39 |
54.46 |
63.46 |
72.46 |
84.54 |
96.54 |
108.54 |
120.54 |
135.63 |
150.63 |
|
|
Min |
32.61 |
35.61 |
39.61 |
44.61 |
49.61 |
53.54 |
62.54 |
71.54 |
83.46 |
95.46 |
107.46 |
119.46 |
134.37 |
149.37 |
|
|
ds |
Max |
22 |
24 |
27 |
30 |
33 |
36 |
42 |
48 |
56 |
64 |
72 |
80 |
90 |
100 |
|
Min |
21.67 |
23.67 |
26.67 |
29.67 |
32.61 |
35.61 |
41.61 |
47.61 |
55.54 |
63.54 |
71.54 |
79.54 |
89.46 |
99.46 |
|
|
k |
Max |
22 |
24 |
27 |
30 |
33 |
36 |
42 |
48 |
56 |
64 |
72 |
80 |
90 |
100 |
|
Min |
21.48 |
23.48 |
26.48 |
29.48 |
32.38 |
35.38 |
41.38 |
47.38 |
56.26 |
63.26 |
71.26 |
79.26 |
89.13 |
99.13 |
|
|
s |
Nominal |
17 |
19 |
19 |
22 |
24 |
27 |
32 |
36 |
41 |
46 |
55 |
65 |
75 |
85 |
|
Min |
17.05 |
19.065 |
19.065 |
22.065 |
24.065 |
27.065 |
32.08 |
36.08 |
41.08 |
46.08 |
55.1 |
65.1 |
75.1 |
85.12 |
|
|
Max |
17.23 |
19.275 |
19.275 |
22.275 |
24.275 |
27.275 |
32.33 |
36.33 |
41.33 |
46.33 |
55.4 |
65.4 |
75.4 |
85.47 |
|
|
t |
Min |
11 |
12 |
13.5 |
15.5 |
18 |
19 |
24 |
28 |
34 |
38 |
43 |
48 |
54 |
60 |
|
Thread length=b |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
Detail drawing
The hexagon socket head bolts are classified according to the hardness, tensile strength, yield strength, etc. of the screw wire, that is, the level of the hexagon socket head bolts, and what level the hexagon socket head bolts are. Different product materials are required to have different grades of hexagon socket head cap bolts corresponding to them. All hexagon socket head cap bolts have the following grades:
Hexagon socket head bolts are divided into ordinary and high-strength according to the strength of the grade. Ordinary hexagon socket head bolts refer to grade 4.8, and high-strength socket head bolts refer to grades 8.8 and above, including grades 10.9 and 12.9. Grade 12.9 hexagon socket head cap screws generally refer to knurled, natural black hexagon socket head cap screws with oil.
The performance grades of hexagon socket head cap bolts for steel structure connection are divided into more than 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc. Among them, the bolts of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel. After heat treatment (quenching and tempering), they are generally called high-strength bolts, and the rest are generally called ordinary bolts. The bolt performance grade label consists of two parts of numbers, which represent the nominal tensile strength value and yield ratio of the bolt material respectively.
Packing
The packaging of the socket head cap screws is the box and the outer box by default.
About us
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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Factory Price Hex Socket Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide – Hongji , The product will supply to all over the world, such as: Irish, Nepal, Korea, Our company has a skillful sales team, strong economic foundation, great technical force, advanced equipment, complete testing means, and excellent after-sales services. Our products have beautiful appearance, fine workmanship and superior quality and win the unanimous approvals of the customers all over the world.
By Diana from Jamaica - 2018.04.25 16:46
Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
By Eden from Mauritius - 2018.09.08 17:09
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