Torque Specification Table - Blizzard B74C Operator And Parts Manual

U
Note:These values apply fasteners as received from supplier dry, or when lubricated with normal engine oil. They do not apply if
special graphited or moly sidulphide greases or other extreme pressure lubricants are used. These values apply to dry
conditions; under lubricated conditions reduce by 25% the torques in this table.
INCHES
Bolt Size
Grade 2
in-tpi N-m
1 2
1/4" – 20NC 7.4
1/4" – 28NF 8.5
5/16" – 18NC 15
5/16" – 24NF 17
3/8" – 16NC 27
3/8" – 24NF 31
7/16" – 14NC 43
7/16" – 20NF 49
1/2" – 13NC 66
1/2" – 20NF 75
9/16" – 12NC 95
9/16" – 18NF 105
5/8" – 11NC 130
5/8" – 18NF 150
3/4" – 10NC 235
3/4" – 16NF 260
7/8" – 9NC 225
7/8" – 14NF 250
1" – 8NC 340
1" – 12NF 370
1 1/8" – 7NC 480
1 1/8" – 12NF 540
1 1/4" – 7NC 680
1 1/4" – 12NF 750
1 3/8" – 6NC 890
1 3/8" – 12NF 1010
1 1/2" – 6NC 1180
1 1/2" – 12NF 1330
*Torque tolerance +0%, -15% of torquing values. Unless otherwise specified use torque values listed above
OM 0410SB-A

TORQUE SPECIFICATION TABLE

G
ENERAL SPECIFICATION TABLE
SE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN
B
OLT HEAD
Grade 5
lbs-ft N-m lbs-ft N-m
3
5.6 11 8 16
6 13 10 18
11 24 17 33
13 26 19 37
20 42 31 59
22 47 35 67
32 67 49 95
36 75 55 105
49 105 76 145
55 115 85 165
70 150 110 210
79 165 120 235
97 205 150 285
110 230 170 325
170 360 265 510
190 405 295 570
165 585 430 820
185 640 475 905
250 875 645 1230
275 955 705 1350
355 1080 795 1750
395 1210 890 1960
500 1520 1120 2460
555 1680 1240 2730
655 1990 1470 3230
745 2270 1670 3680
870 2640 1950 4290
980 2970 2190 4820
I
DENTIFICATION
METRIC
Bolt Size
Grade 8
lbs-ft mm pitch
4
x
12 M 5 X 0.8
14 M 6 X 1
25 M 8 X 1.25
27 M 8 X 1
44 M10 X 1.5
49 M10 X 0.75
70 M12 X 1.75
78 M12 X 1.5
105 M12 X 1
120 M14 X 2
155 M14 X 1.5
170 M16 X 2
210 M16 X 1.5
240 M18 X 2.5
375 M18 X 1.5
420 M20 X 2.5
605 M20 X 1.5
670 M24 X 3
910 M24 X 2
995 M30 X 3.5
1290 M30 X 2
1440 M36 X 3.5
1820 M36 X 2
2010
1
in-tpi = nominal thread diameter in inches-threads per inch
2380
2
N-m = newton-meters
2710
3
lbs-ft= pounds-foot
3160
4
mm x pitch = nominal thread diameter in millimeters x thread Pitch
3560
49
5.8
8.8
Class 5.8 Class 8.8
N-m lbs-ft N-m lbs-ft
4 3 6 5
7 5 11 8
17 12 26 19
18 13 28 21
33 24 52 39
39 29 61 45
58 42 91 67
60 44 95 70
90 66 105 77
92 68 145 105
99 73 155 115
145 105 225 165
155 115 240 180
195 145 310 230
220 165 350 260
280 205 440 325
310 230 650 480
480 355 760 560
525 390 830 610
960 705 1510 1120
1060 785 1680 1240
1730 1270 2650 1950
1880 1380 2960 2190
10.9
Class 10.9
N-m lbs-ft
9 7
15 11
36 27
39 29
72 53
85 62
125 93
130 97
145 105
200 150
215 160
315 230
335 245
405 300
485 355
610 450
900 665
1050 780
1150 845
2100 1550
2320 1710
3660 2700
4100 3220