INTRODUCTION
Torque values for inch O-Ring Boss (ORB) port plugs
Ferrous
Non-Ferrous
SAE
dash size
UN/UNF
thread size
Internal hex
N·m (lb ft)
± 10%
External hex
N·m (lb ft)
± 10%
N·m (lb ft)
± 10%
2
5/16-24
7.5 (5.5)
12.5 (9.2)
7.5 (5.5)
3
3/8-24
14.5 (10.7)
21 (15.5)
12.5 (9.2)
4
7/16-20
21 (15.5)
37 (27.3)
22 (16.2)
5
1/2-20
28 (20.7)
42 (31)
25 (18.4)
6
9/16-18
47 (34.7)
47 (34.7)
28 (20.7)
8
3/4-16
89 (65.6)
89 (65.6)
53 (39.1)
10
7/8-14
116 (85.6)
116 (85.6)
70 (51.6)
12
1-1/16-12
176 (129.8)
176 (129.8)
106 (78.2)
14
1-3/16-12
247 (182.2)
247 (182.2)
148 (109.2)
16
1-5/16-12
284 (209.5)
284 (209.5)
170 (125.4)
20
1-5/8-12
357 (263.3)
357 (263.3)
214 (157.8)
24
1-7/8-12
441 (325.3)
441 (325.3)
265 (195.5)
32
2-1/2-12
536 (395.3)
536 (395.3)
322 (237.5)
Torque values for four-bolt flange connections (Metric Screws, Class 10.9)
Metric size
mm
Imperial size
in
Screw code
61
Code 61
N·m (lb ft)
± 10%
Screw code
62
Code 62
N·m (lb ft)
± 10%
13
1/2
M8 x 1.25
34 (25.1)
M8 x 1.25
34 (25.1)
19
3/4
M10 x 1.5
74 (54.6)
M10 x 1.5
74 (54.6)
25
1
M10 x 1.5
74 (54.6)
M12 x 1.75
137 (101)
M12 x 1.75
137 (101)
32
1-1/4
M10 x 1.5
74 (54.6)
M14 x 1.5
189 (139.4)
38
1-1/2
M12 x 1.75
137 (101)
M16 x 2
310 (228.6)
51
2
M12 x 1.75
137 (101)
M20 x 2.5
575 (424.1)
64
2-1/2
M12 x 1.75
137 (101)
M24 x 3
575 (424.1)
76
3
M16 x 2
310 (228.6)
M30 x 3.5
680 (501.5)
89
3-1/2
M16 x 2
310 (228.6)
–
–
102
4
M16 x 2
310 (228.6)
–
–
127
5
M16 x 2
310 (228.6)
–
–
Torque values for four-bolt flange connections (Metric Screws, Class 8.8)
Metric size
mm
Imperial size
in
Screw code
61
Code 61
N·m (lb ft)
± 10%
Screw code
62
Code 62
N·m (lb ft)
± 10%
13
1/2
M8 x 1.25
29 (21.4)
M8 x 1.25
29 (21.4)
19
3/4
M10 x 1.5
57(42)
M10 x 1.5
57(42)
25
1
M10 x 1.5
57(42)
M12 x 1.75
100 (73.8)
M12 x 1.75
100 (73.8)
32
1-1/4
M10 x 1.5
57(42)
M14 x 1.5
160 (118)
38
1-1/2
M12 x 1.75
100 (73.8)
M16 x 2
250 (184.4)
51
2
M12 x 1.75
100 (73.8)
M20 x 2.5
500 (368.8)
64
2-1/2
M12 x 1.75
100 (73.8)
M24 x 3
575 (424.1)
76
3
M16 x 2
250 (184.4)
M30 x 3.5
680 (501.5)
89
3-1/2
M16 x 2
250 (184.4)
–
–
102
4
M16 x 2
250 (184.4)
–
–
127
5
M16 x 2
250 (184.4)
–
–
48193161 30/11/2017
18
Summary of Contents for OPTUM 270 CVT
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