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Square head T-type |
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Applications |
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Square head size larger force surface is also large, easy to wrench stuck its head, or rely on other parts from the beginning and turning role can also be used for parts with T-slot in order to adjust the bolt position. |
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Basic parameters |
● Material: carbon steel alloy steel
● specification：M10-M100(/3/8″-4″)
● Length：20mm～1500mm
● Grade：
● Steel ISO898:8.8～12.9; Gr.2-Gr.8
● Surface: black, galvanized, hot-dip galvanized, Dacromet, Teflon and so on |
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Type size and mark example |
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End according to GB 2: no part of the thread diameter is equal to the thread diameter or equal to the thread diameter. |
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Parameters Table |
|
Thread size(d) |
M10 |
M12 |
M14 |
M16 |
M18 |
M20 |
M22 |
M24 |
M27 |
M30 |
M36 |
M42 |
M48 |
|
b |
l≤125 |
26 |
30 |
34 |
38 |
42 |
46 |
50 |
54 |
60 |
66 |
78 |
- |
- |
|
125<l<>≤200 |
32 |
36 |
40 |
44 |
48 |
52 |
56 |
60 |
66 |
72 |
84 |
96 |
108 |
|
l>200 |
- |
- |
53 |
57 |
61 |
65 |
69 |
73 |
79 |
85 |
97 |
109 |
121 |
|
e |
min |
20.24 |
22.84 |
26.21 |
30.11 |
34.01 |
37.91 |
42.90 |
45.50 |
52.00 |
58.50 |
69.94 |
82.03 |
95.03 |
|
K |
Nominal |
7 |
8 |
9 |
10 |
12 |
13 |
14 |
15 |
17 |
19 |
23 |
26 |
30 |
|
min |
6.55 |
7.55 |
8.55 |
9.25 |
11.10 |
12.10 |
13.10 |
14.10 |
16.10 |
17.95 |
21.95 |
24.95 |
28.95 |
|
max |
7.45 |
8.45 |
9.45 |
10.75 |
12.9 |
13.9 |
14.9 |
15.9 |
17.9 |
20.05 |
24.05 |
27.05 |
31.05 |
|
K |
min |
5.21 |
5.91 |
6.61 |
6.47 |
7.77 |
8.47 |
9.17 |
9.87 |
11.27 |
12.56 |
15.36 |
17.46 |
20.26 |
|
r |
min |
0.4 |
0.6 |
0.6 |
0.6 |
0.8 |
0.8 |
0.8 |
0.8 |
1 |
1 |
1 |
1.2 |
1.6 |
|
S |
max |
16 |
18 |
21 |
24 |
27 |
30 |
34 |
36 |
41 |
46 |
55 |
65 |
75 |
|
min |
15.57 |
17.57 |
20.16 |
23.16 |
26.16 |
29.16 |
33.00 |
35.00 |
40.00 |
45.00 |
53.80 |
63.10 |
73.10 |
|
X |
max |
3.8 |
4.2 |
5 |
5 |
6.3 |
6.3 |
6.3 |
7.5 |
7.5 |
8.8 |
10 |
11.3 |
12.5 |
|
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Material |
Steel |
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Thread |
Tolerance |
8g |
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Standard |
GB 196、GB 197 |
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Mechanical behavior |
Grade |
d<39:4.8:d>39:By agreement |
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standard |
GB 3098.1 |
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Tolerance |
Product quality |
C |
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Standard |
GB 3103.1 |
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Surface treatment |
1.Untreated
2.Oxidation
3.Galvanized passivation GB 5267 |
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Acceptance and packaging |
GB 90 |
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