Doosan DB33A - Torque Specifications

3
1.3. Torque Specifications
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Standards bolts
The torque values given in the following table should be applied where a particular torque is not specified.
(Unit : kgƒUm)
Bolt
identification
Bolt
diameter¡¿pitch
4T
Low carbon steel
7T
High carbon steel
9T
Alloy steel
6¡¿1.0
8¡¿1.25
10¡¿1.25
¡ 10¡¿1.5
12¡¿1.25
¡ 12¡¿1.75
14¡¿1.5
¡ 14¡¿2.0
16¡¿1.5
¡ 16¡¿2.0
18¡¿1.5
20¡¿1.5
22¡¿1.5
24¡¿2.0
0.4-0.8
0.8-1.8
2.1-3.5
2.0-3.4
5.0-7.5
4.6-7.0
7.8-11.7
7.3-10.9
10.6-16.0
10.2-15.2
15.4-23.0
21.0-31.6
25.6-42.2
36.6-55.0
0.5-1.0
1.2-2.3
2.8-4.7
2.8-4.6
6.2-9.3
5.8-8.6
9.5-14.2
9.0-13.4
13.8-20.8
13.2-19.8
19.9-29.9
27.5-41.3
37.0-55.5
43.9-72.5
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1.7-3.1
3.8-6.4
3.7-6.1
7.7-11.6
7.3-10.9
11.6-17.4
10.9-16.3
16.3-24.5
15.6-23.4
23.4-35.2
32.3-48.5
43.3-64.9
56.5-84.7
The
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indicates that the bolts are used for female-threaded parts that are made of soft materials such as casting, etc.