18-8
& 316 S/S, Brass, Aluminum,
Monel, Silicon Bronze
Torque Specifications
|
Bolt
Size
Inches or #
|
Threads
Per Inch
|
Standard
Dry Torque in Inch-Pounds
|
18-8
Stainless Steel
|
Brass
|
Silicon
Bronze
|
2024-T4
Aluminum
|
316
Stainless Steel
|
Monel
|
#2 |
56 |
2.5 |
2.0 |
2.3 |
1.4 |
2.6 |
2.5 |
64 |
3.0 |
2.5 |
2.8 |
1.7 |
3.2 |
3.1 |
#3 |
48 |
3.9 |
3.2 |
3.6 |
2.1 |
4.0 |
4.0 |
56 |
4.4 |
3.6 |
4.1 |
2.4 |
4.6 |
4. 5 |
#4 |
40 |
5.2 |
4.3 |
4.8 |
2.9 |
5.5 |
5.3 |
48 |
6.6 |
5.4 |
6.1 |
3.6 |
6.9 |
6.7 |
#5 |
40 |
7.7 |
6.3 |
7.1 |
4.2 |
8.1 |
7.8 |
44 |
9.4 |
7.7 |
8.7 |
5.1 |
9.8 |
9.6 |
#6 |
32 |
9.6 |
7.9 |
8.9 |
5.3 |
10.1 |
9.8 |
40 |
12.1 |
9.9 |
11.2 |
6.6 |
12.7 |
12.3 |
#8 |
32 |
19.8 |
16.2 |
18.4 |
10.8 |
20.7 |
20.2 |
36 |
22.0 |
18.0 |
20.4 |
12.0 |
23.0 |
22.4 |
#10 |
24 |
22.8 |
18.6 |
21.2 |
13.8 |
23.8 |
25.9 |
32 |
31.7 |
25.9 |
29.3 |
19.2 |
33.1 |
34.9 |
Bolt
Size
Inches or #
|
Threads
Per Inch
|
Standard
Dry Torque in Inch-Pounds
|
18-8
Stainless Steel
|
Brass
|
Silicon
Bronze
|
2024-T4
Aluminum
|
316
Stainless Steel
|
Monel
|
1/4 |
20 |
75.2 |
61.5 |
68.8 |
45.6 |
78.8 |
85.3 |
28 |
94.0 |
77.0 |
87.0 |
57.0 |
99.0 |
106.0 |
5/16 |
18 |
132 |
107 |
123 |
80 |
138 |
149 |
24 |
142 |
116 |
131 |
86 |
147 |
160 |
3/8 |
16 |
236 |
192 |
219 |
143 |
247 |
266 |
24 |
259 |
212 |
240 |
157 |
271 |
294 |
7/16 |
14 |
376 |
317 |
349 |
228 |
393 |
427 |
20 |
400 |
327 |
371 |
242 |
418 |
451 |
1/2 |
13 |
517 |
422 |
480 |
313 |
542 |
584 |
20 |
541 |
443 |
502 |
328 |
565 |
613 |
Bolt
Size
Inches or #
|
Threads
Per Inch
|
Standard
Dry Torque in Inch-Pounds
|
18-8
Stainless Steel
|
Brass
|
Silicon
Bronze
|
2024-T4
Aluminum
|
316
Stainless Steel
|
Monel
|
9/16 |
12 |
682 |
558 |
632 |
413 |
713 |
774 |
18 |
752 |
615 |
697 |
456 |
787 |
855 |
5/8 |
11 |
1110 |
907 |
1030 |
715 |
1160 |
1330 |
18 |
1244 |
1016 |
1154 |
798 |
1301 |
1482 |
3/4 |
10 |
1530 |
1249 |
1416 |
980 |
1582 |
1832 |
16 |
1490 |
1220 |
1382 |
958 |
1558 |
1790 |
7/8 |
9 |
2328 |
1905 |
2140 |
1495 |
2430 |
2775 |
14 |
2318 |
1895 |
2130 |
1490 |
2420 |
2755 |
1 |
8 |
3440 |
2815 |
3185 |
2205 |
3595 |
4130 |
14 |
3110 |
2545 |
2885 |
1995 |
3250 |
3730 |
Bolt
Size
Inches or #
|
Threads
Per Inch
|
Standard
Dry Torque in Foot-Pounds
|
18-8
Stainless Steel
|
Brass
|
Silicon
Bronze
|
2024-T4
Aluminum
|
316
Stainless Steel
|
Monel
|
1 1/8 |
7 |
413 |
337 |
383 |
265 |
432 |
499 |
12 |
390 |
318 |
361 |
251 |
408 |
470 |
1 1/4 |
7 |
523 |
428 |
485 |
336 |
546 |
627 |
12 |
480 |
394 |
447 |
308 |
504 |
575 |
1 1/2 |
6 |
888 |
727 |
822 |
570 |
930 |
1064 |
12 |
703 |
575 |
651 |
450 |
732 |
840 |
Allen
Heads, Brass, & Bronze Bolts
Torque Specifications
|
Bolt
Size
Inches or #
|
Coarse
Threads
Per Inch
|
Standard
Dry Torque in Foot-Pounds
|
Allen
Head
160,000 psi
High Carbon
CaseH Steel
|
Machine
Screw
60,000 psi
Yellow Brass
|
Machine
Screw
70,000 psi
Silicone Bronze
|
#2
|
56
|
...
|
2
in lb.
|
2.3
in lb.
|
#3
|
48
|
...
|
3.3
in lb.
|
3.7
in lb.
|
#4
|
40
|
...
|
4.4
in lb.
|
4.0
in lb.
|
#5
|
40
|
...
|
6.4
in lb.
|
7.2
in lb.
|
#6
|
32
|
21
|
8
in lb.
|
10
in lb.
|
#8
|
32
|
46
|
16
in lb.
|
19
in lb.
|
#10
|
24
|
60
|
20
in lb.
|
22
in lb.
|
1/4
|
20
|
16
|
65
in lb.
|
70
in lb.
|
5/16
|
18
|
33
|
110
in lb.
|
125
in lb.
|
3/8
|
16
|
54
|
17
|
20
|
7/16
|
14
|
84
|
27
|
30
|
1/2
|
13
|
125
|
37
|
41
|
9/16
|
12
|
180
|
49
|
53
|
5/8
|
11
|
250
|
78
|
88
|
3/4
|
10
|
400
|
104
|
117
|
7/8
|
9
|
640
|
160
|
180
|
1
|
8
|
970
|
215
|
250
|
1-1/8
|
7
|
1520
|
325
|
365
|
1-1/4
|
7
|
2130
|
400
|
450
|
1-3/8
|
6
|
2850
|
...
|
...
|
1-1/2
|
6
|
3450
|
595
|
655
|
1-5/8
|
6
|
4700
|
...
|
...
|
1-3/4
|
5
|
6100
|
...
|
...
|
1-7/8
|
5
|
8200
|
...
|
...
|
2
|
4-1/2
|
8800
|
...
|
...
|
|
|