Standard Hardware Torques - Universal M3-20A Operator's Manual

Marine diesel engines
Table of Contents

Advertisement

STANDARD HARDWARE TORQUES
NOTE:
Unless stated otherwise for a specific assembly. use the following torque values when tightening standard hardware.
Pitch
Grade 4
6mm bolt head/nut
8rnm boll 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 7T, ST and 8.S
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
16rnm bolt head/nut
Grade 5 Cap Screw
1/4 UNC
1/4 UNF
5116 UNC
5116 UNF
3/8 UNC
3/8 UNF
7/16 UNC
7116 UNF
1/2 UNC
1/2 UNF
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
38
Ib-ft
kg-m
2.9-5.1
0.4-0.7
7.2·11.6
1.0-1.6
13.7-22.4
1.9-3.1
130-21.7
1.8-3.0
25.3-39.8
3.5-5.5
25.3-39.8
3.5-5.5
21.7-36.2
3.0-5.0
32.5-50.6
4.5-7.0
36.2·57.9
5.0-8.0
34.0-55.7
4.7-7.7
54.2-79.6
7.5-11.0
51.4-76.7
7.1-10.6
4.3-6.5
0.6-0.9
10.8-15.9
1.5-2.2
21.7-32.5
3.0-4.5
19.5-30.4
2.7-4.2
36.2-57.9
5.0-8.0
36.2-50.6
5.0-7.0
34.7-49.2
4.8-6.8
5.8-8.7
0.8-1.2
14.5-21.7
2.0-3.0
28.9-39.8
4.0-5.5
26.8-37.6
3.7-5.2
54.2-75.9
7.5-10.5
50.6-651
7.0-9.0
43.4-61.5
6.0-8.5
57.9-86.8
8.0-12.0
72.3-108.5
10.0-15.0
68.7-101.3
9.5-14.0
108.5-166.4
15.0-23.0
101.3-159.1
14.0-22.0
9-11
1.2-1.5
11-13
1.5-1.8
IS-20
2.5-2.S
21-23
2.9-3.2
28-33
3.7-4.6
30-35
4.1-4.8
44-49
6.1-6.S
50-55
6.9-7.6
6S-73
9.4-101
73-S0
10.1-11.1

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

M-25xpaM-25xpbM-35aM-35bM3-20bM3-20b ... Show all

Table of Contents