Engineer's
Handbook
 
Reference Tables
 
Rapid
Prototyping
 
Manufacturing
Methods
 
Engineering
Materials
 
Engineering
Software
 
Reference Books
 
Mechanical
Components
 

Reference Tables -- Steel Bolt Torque Specifications

 

Bolt Torque Information
Standard Steel Bolt Torques

 

Standard Steel
Bolt Torque Specifications

Bolt Size
(in.)
Coarse
Threads/ inch
Standard Dry Torque in Foot-Pounds
SAE
Grade
0-1-2
74,000 psi
Low Carbon
Steel
SAE
Grade 3
100,000 psi
Med. Carbon
Steel
SAE
Grade 5
120,000 psi
Med. Carbon
Heat T. Steel
SAE
Grade 6
133,000 psi
Med. Carbon
Temp. Steel
SAE
Grade 7
133,000 psi
Med. Carbon
Alloy Steel
SAE
Grade 8
150,000 psi
Med. Carbon
Alloy Steel
1/4
20
6
9
10
12.5
13
14
5/16
18
12
17
19
24
25
29
3/8
16
20
30
33
43
44
47
7/16
14
32
47
54
69
71
78
1/2
13
47
69
78
106
110
119
9/16
12
69
103
114
150
154
169
5/8
11
96
145
154
209
215
230
3/4
10
155
234
257
350
360
380
7/8
9
206
372
382
550
570
600
1
8
310
551
587
825
840
700
1-1/8
7
480
872
794
1304
1325
1430
1-1/4
7
375
1211
1105
1815
1825
1975
1-3/8
6
900
1624
1500
2434
2500
2650
1-1/2
6
1100
1943
1775
2913
3000
3200
1-5/8
5.5
1470
2660
2425
3985
4000
4400
1-3/4
5
1900
3463
3150
5189
5300
5650
1-7/8
5
2360
4695
4200
6980
7000
7600
2
4.5
2750
5427
4550
7491
7500
8200

 

 

 

 

 

 

 

 


Copyright © 2004 - 2006 -- EngineersHandbook.com

All Rights Reserved - Contact Information
Privacy Policy
Disclaimer