Wiesenfield WIE-FMO-135S Manuel D'utilisation page 92

3.7. Torque values chart for common bolt sizes
Bolt size
(inches)
in-tpi 1 Nm
1/4"-20 7.4
1/4"-28 8.5
5/16"-18 15
5/16"-24 17
3/8"-16 27
3/8"-24 31
7/16"-14 43
7/16"-20 49
1/2"-13 66
1/2"20 75
9/16"-12 95
9/16"-18 105
5/8"-11 130
5/8"-18 150
3/4"-10 235
3/4"-16 260
7/8"-9 225
7/8"-14 250
1"-8 340
1"-12 370
1-1/8" - 7 480
1-1/8" - 12 540
1-1/4" - 7 680
1-1/4" - 12 750
1-3/8" - 6 890
1-3/8" - 12 1010
1-1/2" - 6 1180
1-1/2" - 12 1330
Torque tolerance +0%, -15% of torquing values. Unless otherwise specified use torque values listed
above
1 in-tpi = nominal thread diameter in inches-threads per inch
2 Nm = Newton-meters
ft-lb = Foot-pounds
3
mm x pitch = nominal thread diameter in millimeters x thread pitch
4
Grade 2
2 ft-lb 3
5.6
6
11
13
20
22
32
36
49
55
70
79
97
110
170
190
165
185
250
275
355
395
500
555
655
745
870
980
Bolt head identification
Grade 5
Nm ft-lb
11 8
13 10
24 17
26 19
42 31
47 35
67 49
75 55
105 76
115 85
150 110
165 120
205 150
230 170
360 265
405 295
585 430
640 475
875 645
955 705
1080 795
1210 890
1520 1120
1680 1240
1990 1470
2270 1670
2640 1950
2970 2190
Grade 8
Nm ft-lb
16 12
18 14
33 25
37 27
59 44
67 49
95 70
105 78
145 105
165 120
210 155
235 170
285 210
325 240
510 375
570 420
820 605
905 670
1230 910
1350 995
1750 1290
1960 1440
2460 1820
2730 2010
3230 2380
3680 2710
4290 3160
4820 3560