Table Of Standard Hardware Tightening Torques - Westerbeke 26 G Technical Manual

TABLE OF STANDARD HARDWARE TIGHTENING TORQUES
Unless stated for a specific assembly, use the following torque values when tightening standard hardware.
Grade
4T
6mm bolt head/nut
8mm bolt head/nut
10mm bolt head/nut
10mm bolt head/nut
12mm bolt head/nut
12mm bolt head/nut
12mm bolt head/nut
13mm bolt head/nut
14mm bolt head/nut
14mm bolt head/nut
16mm bolt head/nut
16mm bolt head/nut
Grade 6T
6mm bolt head/nut
8mm bolt head/nut
10mm bolt head/nut
10mm bolt head/nut
12mm bolt head/nut
12mm bolt head/nut
12mm bolt head/nut
Grade ?T. 8T and 8.8
6mm bolt head/nut
8mm bolt head/nut
10mm bolt head/nut
10mm bolt head/nut
12mm bolt head/nut
12mm bolt head/nut
12mm bolt head/nut
13mm bolt head/nut
14mm bolt head/nut
14mm bolt head/nut
16mm bolt head/nut
16mm bolt head/nut
Grade 5 capscrew
1/4 UNC
1/4 UNF
5/16 UNC
5/16 UNF
3/8 UNC
3/8 UNF
7/16 UNC
7/16 UNF
1/2 UNC
1/2 UNF
Pitch Ib-ft kg-m
1
1.25
1.25
1.5
1.25
(ISO)
1.5
1.75
1.5
1.5
2
1.5
2
1.25
1.25
1.5
1.25
(ISO)
1.5
1.75
1.25
1.25
1.5
1.25
(ISO)
1.5
1.75
1.5
1.5
2
1.5
2
45
2.9 - 5.1
7.2 - 11.6
13.7 - 22.4
13.0 - 21.7
25.3 - 39.8
25.3 - 39.8
21.7 - 36.2
32.5 - 50.6
36.2 - 57.9
34.0 - 55.7
54.2 - 79.6
51.4 - 76.7
4.3 -
6.5
10.8 - 15.9
21.7 - 32.5
19.5 - 30.4
36.2 - 57.9
36.2 - 50.6
34.7 - 49.2
5.8 - 8.7
14.5 - 21.7
28.9 - 39.8
26.8 - 37.6
54.2 - 75.9
50.6 - 65.1
43.4 - 61.5
57.9 - 86.8
72.3 -108.5
68.7 -101.3
108.5 - 166.4
101.3 -159.1
9 - 11
11
-
13
18 - 20
21
-
23
28 - 33
30 - 35
44-
49
50 - 55
68 - 73
73 - 80
0.4 - 0.7
1.0 - 1.6
1.9 - 3.1
1.8 - 3.0
3.5 - 5.5
3.5 - 5.5
3.0 - 5.0
4.5 - 7.0
5.0 - 8.0
4.7 - 7.7
7.5-11.0
7.1 -10.6
0.6 - 0.9
1.5-2.2
3.0 - 4.5
2.7 - 4.2
5.0 - 8.0
5.0 - 7.0
4.8 - 6.8
0.8 - 1.2
2.0 - 3.0
4.0 - 5.5
3.7 - 5.2
7.5 -10.5
7.0 - 9.0
6.0 - 8.5
8.0 -12.0
10.0 -15.0
9.5 - 14.0
15.0 - 23.0
14.0 - 22.0
1.2 - 1.5
1.5 - 1.8
2.5 - 2.8
2.9 - 3.2
3.7 - 4.6
4.1 - 4.8
6.1 - 6.8
6.9 - 7.6
9.4-10.1
10.1 -11.1
Westerbeke Engines