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CDI-Torque: Bolt Torque Specs
Bolt Torque Charts
These charts show suggested maximum torque values for threaded products and are intended only as a guide. Always refer to the manufacturers recommended torque values if possible. CDI Torque Products is not responsible for any application of torque or it's consequences as a result of using this chart. Use at your own risk!
| Bolt Size |
18-8
Stainless
Steel |
Brass |
Aluminum
2024-T4 |
316
Stainless
Steel |
Nylon |
INCH POUNDS |
2 - 56 |
2.5 |
2.0 |
1.4 |
2.6 |
0.44 |
4 - 40 |
5.2 |
4.3 |
2.9 |
5.5 |
1.19 |
4 - 48 |
6.6 |
5.4 |
3.6 |
6.9 |
|
6 - 32 |
9.6 |
7.9 |
5.3 |
10.1 |
2.14 |
6 - 40 |
12.1 |
9.9 |
6.6 |
12.7 |
|
8 - 32 |
19.8 |
16.2 |
10.8 |
20.7 |
4.30 |
8 - 36 |
22.0 |
18.0 |
12.0 |
23.0 |
|
10 - 24 |
22.8 |
18.6 |
13.8 |
23.8 |
6.61 |
10 - 32 |
31.7 |
25.9 |
19.2 |
33.1 |
8.20 |
1/4" - 20 |
75.2 |
61.5 |
45.6 |
78.8 |
16.00 |
1/4" - 28 |
94.0 |
77.0 |
57.0 |
99.0 |
20.80 |
5/16" - 18 |
132.0 |
107.0 |
80.0 |
138.0 |
34.90 |
5/16" - 24 |
142.0 |
116.0 |
86.0 |
147.0 |
|
3/8" - 16 |
236.0 |
192.0 |
143.0 |
247.0 |
|
3-8" - 24 |
259.0 |
212.0 |
157.0 |
271.0 |
|
7/16" - 14 |
376.0 |
317.0 |
228.0 |
393.0 |
|
7/16" - 20 |
400.0 |
357.0 |
242.0 |
418.0 |
|
1/2" - 13 |
517.0 |
422.0 |
313.0 |
542.0 |
|
1/2" - 20 |
541.0 |
443.0 |
328.0 |
565.0 |
|
9/16" - 12 |
682.0 |
558.0 |
413.0 |
713.0 |
|
9/16" - 18 |
752.0 |
615.0 |
456.0 |
787.0 |
|
5/8" - 11 |
1110.0 |
907.0 |
715.0 |
1160.0 |
|
5/8" - 18 |
1244.0 |
1016.0 |
798.0 |
1301.0 |
|
3/4" - 10 |
1530.0 |
1249.0 |
980.0 |
1582.0 |
|
3/4" - 16 |
1490.0 |
1220.0 |
958.0 |
1558.0 |
|
7/8" - 9 |
2328.0 |
1905.0 |
1495.0 |
2430.0 |
|
7/8" - 14 |
2318.0 |
1895.0 |
1490.0 |
2420.0 |
|
1" - 8 |
3440.0 |
2815.0 |
2205.0 |
3595.0 |
|
1"- 14 |
3110.0 |
2545.0 |
1995.0 |
3250.0 |
|
|
Bolt
Size
Inches |
Coarse
Thread/
inch |
SAE 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 |
FOOT POUNDS |
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 |
|
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JM Test Systems calibrates and services all CDI Torque Wrenches. For more information regarding rental or purchase of a CDI Torque product, please call 1-800-353-3411 or email us at jmsales@jmtest.com. |
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