Case 2050M - Torque charts - Minimum tightening torques for normal assembly

7-MAINTENANCE
Torquecharts-Minimumtighteningtorquesfornormalassembly
Metricnon-angedhardware
Nominal
size
Class8.8boltandClass8nutClass10.9boltandClass10nut
LocknutCL.8
W/CL8.8bolt
LocknutCL.10
W/CL10.9bolt
Unplated
PlatedW/ZnCr
Unplated
PlatedW/ZnCr
M4
2.2N·m
(19lbin)
2.9N·m
(26lbin)
3.2N·m
(28lbin)
4.2N·m
(37lbin)
2N·m
(18lbin)
2.9N·m
(26lbin)
M5
4.5N·m
(40lbin)
5.9N·m
(52lbin)
6.4N·m
(57lbin)
8.5N·m
(75lbin)
4N·m
(36lbin)
5.8N·m
(51lbin)
M6
7.5N·m
(66lbin)
10N·m
(89lbin)
11N·m
(96lbin)
15N·m
(128lbin)
6.8N·m
(60lbin)
10N·m
(89lbin)
M8
18N·m
(163lbin)
25N·m
(217lbin)
26N·m
(234lbin)
35N·m
(311lbin)
17N·m
(151lbin)
24N·m
(212lbin)
M10
37N·m
(27lbft)
49N·m
(36lbft)
52N·m
(38lbft)
70N·m
(51lbft)
33N·m
(25lbft)
48N·m
(35lbft)
M12
64N·m
(47lbft)
85N·m
(63lbft)
91N·m
(67lbft)
121N·m
(90lbft)
58N·m
(43lbft)
83N·m
(61lbft)
M16
158N·m
(116lbft)
210N·m
(155lbft)
225N·m
(166lbft)
301N·m
(222lbft)
143N·m
(106lbft)
205N·m
(151lbft)
M20
319N·m
(235lbft)
425N·m
(313lbft)
440N·m
(325lbft)
587N·m
(433lbft)
290N·m
(214lbft)
400N·m
(295lbft)
M24
551N·m
(410lbft)
735N·m
(500lbft)
762N·m
(560lbft)
1016N·m
(750lbft)
501N·m
(370lbft)
693N·m
(510lbft)
NOTE:M4throughM8hardwaretorquespecicationsareshowninpound-inches.M10throughM24hardwaretorque
specicationsareshowninpound-feet.
7-2