12-2 KL120
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
1-1/8
1-1/4
1-3/8
1-1/2
TORQUE TIGHTENING CHART 1
Note : Use these torques, unless special torques are specified. Values are for UNC and UNF thread fasteners, plated or unplated as
received from supplier. Fasteners can be dry or lubricated with normal engine oil. Values do not apply if graphite, moly-
disulphide or other extreme pressure lubricant is used.
SAE Grade No. 2 5 8
*
Bolt Size
Bolt head identification
(see note 1)
Nm
Min. Min. Min. Min. Min. Min.Max. Max. Max. Max. Max. Max.
5
10
20
30
45
65
95
150
160
250
6
12
23
35
52
75
105
185
200
300
7
14
27
41
61
88
129
203
217
339
8
16
31
47
70
102
142
251
271
406
9
17
35
54
80
110
150
270
400
580
800
1120
1460
1940
11
20.5
42
64
96
132
180
324
480
696
880
1240
1680
2200
12
23
48
73
109
149
203
366
542
787
1085
1519
1980
2631
15
28
57
87
130
179
244
439
651
944
1193
1681
2278
2983
12
24
45
70
110
160
220
380
600
900
1280
1820
2380
3160
15
29
54
84
132
192
264
456
720
1080
1440
2000
2720
3560
16
33
61
95
149
217
298
515
814
1220
1736
2468
3227
4285
20
39
73
114
179
260
358
618
976
1464
1953
2712
3688
4827
Note 1: Bolt head identification marks as per grade. Manufacturing marks will vary. *Thick nuts must be used with Grade 8 bolts.
FT LBS NmFT LBS NmFT LBS
SAE FASTENER TORQUE CHART
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