SAE and Metric Fastener Torque Specifications
Service Manual Supplement
SAE and Metric Fastener Torque Specifications
Rev A July 2016
Service Manual Supplement
Introduction
Intr oducti on Fastener Identific ation
Intr oducti on
Fastener Identification
Plain fastener Zinc plated fastener
July 2016
Coated fastener
Copyright ? 2016 by Terex Corporation Rev A, July 2016
First Edition, First Printing "Genie" is a registered trademark of Terex South Dakota, Inc. in the USA and many other countries.
ii
SAE and Metric Fastener Torque Specifications
July 2016
Introduction Section 1
Section 1
Fastener T orque Specific ati ons
Table of Contents
Introduction........................................................................................................... ii Fastener Identification ............................................................................................ ii
Fastener Torque Specifications..........................................................................3 SAE Plain and Zinc Plated Hex and Socket Head Cap Screws ............................4 Metric Plain and Zinc Plated Hex and Socket Head Cap Screws..........................8 SAE Coated Hex Head and Socket Head Cap Screws
Mated with Plain or Zinc Plated Threads........................................................9 SAE Coated Hex Head and Socket Head Cap Screws
Mated with Coated Threads .........................................................................13 SAE Coated Hex Head Flange Screws
Mated with Plain or Zinc Plated Threads......................................................17 Metric Coated Hex Head and Socket Head Cap Screws
Mated with Plain or Zinc Plated Threads......................................................21 Metric Coated Hex Head and Socket Head Cap Screws
Mated with Coated Threads .........................................................................23 Metric Coated Hex Head Flange Screws
Mated with Plain or Zinc Plated Threads......................................................25
SAE and Metric Fastener Torque Specifications
iii
Service Manual Supplement
Fastener Torque Specifications
July 2016
SAE Plai n and Zi nc Plated H ex and Sock et H ead C ap Screws
SIZE 4 6 8 10 1/4
THREAD 40 48 32 40 32 36 24 32 20 28
18 5/16
24 16 3/8 24 14 7/16 20 13 1/2 20
TORQUE CHART - SAE PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS
Grade 2 or 5 hex head with Grade A nut
Grade 5 hex head with Grade 5 or higher nut
DRY
LUBED
DRY
LUBED
in-lbs
Nm
in-lbs
Nm
in-lbs
Nm
in-lbs
Nm
6
0.7
4
0.5
----
----
----
----
6
0.7
5
0.6
----
----
----
----
10
1.1
8
0.9
----
----
----
----
12
1.4
9
1
----
----
----
----
19
2.1
14
1.6
----
----
----
----
20
2.2
15
1.7
----
----
----
----
27
3
21
2.4
----
----
----
----
32
3.6
24
2.7
----
----
----
----
66
7.5
49
5.5
100
11.3
76
8.6
75
8.5
56
6.3
120
13.6
87
9.8
ft-lbs
Nm
ft-lbs
Nm
ft-lbs
Nm
ft-lbs
Nm
11
15
8
11
17
23
13
17
12
16
9
12
19
25.5
14
19
20
27
15
20
31
42
23
31
23
31
17
23
35
47.5
26
35
32
43
24
32
49
66.5
37
50
36
49
27
36
55
74.5
41
55
49
66.5
37
50
75
101.5
57
77
55
74.5
41
55
85
115
64
86
4
SAE and Metric Fastener Torque Specifications
July 2016
Service Manual Supplement
Fastener Torque Specifications
SIZE 9/16 5/8 3/4 7/8
1 1 1/8 1 1/4 1 1/2
THREAD 12 18 11 18 10 16 9 14 8 12 7 12 7 12 6 12
TORQUE CHART - SAE PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS
Grade 2 or 5 hex head with Grade A nut
Grade 5 hex head with Grade 5 or higher nut
DRY
LUBED
DRY
LUBED
ft-lbs
Nm
ft-lbs
Nm
ft-lbs
Nm
ft-lbs
Nm
70
95
53
72
110
149
80
108.5
78
105.5
59
80
120
162.5
90
122
100
135.5
73
99
150
203.5
110
149
110
149
83
112
170
230.5
130
176
170
230.5
130
176
270
366
200
271
190
257.5
140
190
300
406.5
220
298
280
379.5
210
284.5
430
583
320
434
310
420.5
230
312
470
637
350
474.5
420
569.5
310
420.5
640
867.5
480
651
460
623.5
340
461
710
962.5
530
718.5
590
800
440
596.5
790
1071
590
800
660
895
500
678
890
1206.5
670
908.5
830
1125.5
630
854
1120
1518.5
840
1139
920
1247.5
690
935.5
1240
1681
930
1261
1450
1966
1090
1478
1950
2644
1460
1979.5
1630
2210
1220
1654
2190
2969
1640
2223.5
SAE and Metric Fastener Torque Specifications
5
Service Manual Supplement
Fastener Torque Specifications
TORQUE CHART - SAE PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS
Grade 8 hex head
SIZE
THREAD
DRY
in-lbs
Nm
LUBED
in-lbs
Nm
40
----
----
----
----
4
48
----
----
----
----
32
----
----
----
----
6
40
----
----
----
----
32
----
----
----
----
8
36
----
----
----
----
24
----
----
----
----
10
32
----
----
----
----
20
140
15.8
110
12.4
1/4
28
160
18
160
18
ft-lbs
Nm
ft-lbs
Nm
18
25
34
18
24
5/16
24
27
36
20
27
16
44
59
33
44.5
3/8
24
49
66.5
37
50
14
70
95
50
68
7/16
20
80
108.5
60
81.5
13
110
149
80
108.5
1/2
20
120
162.5
90
122
July 2016
BLACK OXIDE BOLTS, SHC
ASTM A574 - ANSI B18.3
DRY
LUBED
in-lbs
Nm
11
1.2
N
12
1.4
O
20
2.3
T
22
2.5
36
4
R
38
4.3
E
52
5.9
C
60
6.8
O
130
14.7
M
140
15.8
M
ft-lbs
Nm
E
21
28
N
24
32
D
38
51
E
43
58.5
D
61
82.5
68
92
93
126
105
142.5
6
SAE and Metric Fastener Torque Specifications
July 2016
Service Manual Supplement
Fastener Torque Specifications
TORQUE CHART - SAE PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS
Grade 8 hex head
SIZE
THREAD
DRY
ft-lbs
Nm
LUBED
ft-lbs
Nm
12
150
203.5
120
162.5
9/16
18
170
230.5
130
176
11
210
284.5
160
217
5/8
18
240
325.5
180
244
10
380
515
280
379.5
3/4
16
420
569.5
310
420.5
9
610
827
450
610
7/8
14
670
908.5
500
678
8
910
1234
680
922
1
12
990
1342
750
1017
1 1/8 1 1/4 1 1/2
7
1290
1749
970
1315
12
1440
1952.5
1080
1464
7
1820
2467.5
1360
1844
12
2010
2725
1510
2047
6
3160
4284.5
2370
3213
12
3560
4826.5
2670
3620
BLACK OXIDE BOLTS, SHC
ASTM A574 - ANSI B18.3
DRY
LUBED
ft-lbs
Nm
N
130
176
O
140
190
T
180
244
200
271
R
320
434
E
350
474.5
C
510
691.5
O
560
759
M
770
1044
M
840
1139
E
1090
1478
N
1220
1654
D
1530
2074.5
E
1700
2305
D
2670
3620
3000
4067.5
SAE and Metric Fastener Torque Specifications
7
Service Manual Supplement
Fastener Torque Specifications
July 2016
Metric Plai n and Zi nc Plated H ex and Sock et H ead C ap Screws
SIZE M3 M3.5 M4 M5 M6 M7 M8
M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36
THREAD 0.5 0.6 0.7 0.8 1 1 1.25
1.5 1.75
2 2 2.5 2.5 2.5 3 3 3.5 3.5 4
TORQUE CHART - METRIC PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS
Class 4.6 hex head cap screw
Class 8.8 hex head cap screw
DRY
LUBED
DRY
LUBED
Nm
in-lbs
Nm
in-lbs
Nm
in-lbs
Nm
in-lbs
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
2.5
22
2
17.5
6
53
4.5
40
4
35.5
3
26.5
10.5
93
8
71
7
62
5
44
17.5
155
13
115
10
88.5
7.5
66.5
25.5
225.5
19
168
Nm
ft-lbs
Nm
ft-lbs
Nm
ft-lbs
Nm
ft-lbs
19.5
14.5
14.5
10.5
50.5
37
38
28
34
25
25.5
19
88
65
66
48.5
54.5
40
41
30
140
103
105
77.5
85
62.5
63.5
47
226
166.5
170
125.5
117
86
87.5
64.5
311
229.5
233
172
165
121.5
124
91.5
441
325
330
243.5
225
166
169
124.5
600
442.5
450
332
285
210
214
158
762
562
570
420.5
418
308.5
314
231.5
1115
822.5
837
617.5
568
419
426
314
1515
1117.5
1136
838
773
570
580
428
2061
1520
1546
1140.5
993
732.5
745
549.5
2647
1952.5
1985
1464
8
SAE and Metric Fastener Torque Specifications
................
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