U.S. STANDARD TORQUE VALUES
| Fastener Tensile Strength | 170,000/180,000 PSI (1,171 Nmm2) |
190,000/200,000 PSI (1,309 Nmm2) |
220,000 PSI (1,515 Nmm2) |
|||
| Fastener Diameter | Torque |
Preload (lbs) |
Torque |
Preload (lbs) |
Torque |
Preload (lbs) |
| 1/4" | 12 |
3,492 |
14 |
3,967 |
16 |
4,442 |
| 5/16" | 24 |
5,805 |
28 |
6,588 |
32 |
7,371 |
| 3/8" | 45 |
8,622 |
50 |
9,782 |
55 |
10,942 |
| 7/16" | 70 |
11,880 |
80 |
13,470 |
90 |
15,060 |
| 1/2" | 110 |
16,391 |
125 |
18,515 |
140 |
20,639 |
| 9/16" | 160 |
21,220 |
180 |
23,944 |
200 |
26,668 |
| 5/8" | 210 |
26,372 |
240 |
29,756 |
270 |
33,140 |
| 6mm | 11 |
3,359 |
13 |
3,814 |
15 |
4,269 |
| 8mm | 24 |
5,801 |
28 |
6,581 |
32 |
7,361 |
| 10mm | 54 |
9,970 |
62 |
11,305 |
70 |
12,640 |
| 11mm | 72 |
12,184 |
82 |
13,961 |
92 |
15,738 |
| 12mm | 98 |
14,472 |
112 |
16,949 |
125 |
19,425 |
| 14mm | N/A |
N/A |
184 |
22,771 |
205 |
25,730 |
| 16mm | N/A |
N/A |
244 |
29,664 |
272 |
33,519 |