Page 6
Mast Seres - Servce & Parts Manual
May 2021
Secton 4 - Torque Specfcatons
Bolt Torque Specification - Metric Standard
Fasteners
Use the following values to apply torque unless a specific torque value is called out for the part being
used
Metric Cap Screws
Metric Grade
8�����8
10�����9
Cap Screw Size
(Millimeters)
8
.
8
9
.
0
1
Torque
Torque
Ft�����
Lbs
Nm
Ft�����
Lbs
Nm
Min
Max
Min
Max
Min
Max
Min
Max
M6 × 1�����00
6
8
8
11
9
11
12
15
M8 × 1�����25
16
20
21.5
27
23
27
31
36.5
M10 × 1�����50
29
35
39
47
42
52
57
70
M12 × 1�����75
52
62
70
84
75
91
102
123
M14 × 2�����00
85
103
115
139
120
146
163
198
M16 × 2�����50
130
158
176
214
176
216
238
293
M18 × 2�����50
172
210
233
284
240
294
325
398
M20 × 2�����50
247
301
335
408
343
426
465
577
M22 × 2�����50
332
404
450
547
472
576
639
780
M24 × 3�����00
423
517
573
700
599
732
812
992
M27 × 3�����00
637
779
863
1055
898
1098
1217
1488
M30 × 3�����00
872
1066
1181
1444
1224
1496
1658
2027
Torque values apply to fasteners as received from the supplier, dry or when lubricated with
normal engine oil�����
If special graphite grease, molydisulphide grease, or other extreme pressure lubricants are
used, these torque values do not apply�����
