INTRODUCTION
A00A8BS
Property
class
and
head
markings
Property
class
and
nut
markings
5
5
10
10
10
10
12
12
4.8
4.8
4.8
8.8
8.8
8.8
9.8
9.8
9.8
10.9
10.9
10.9
12.9
12.9
12.9
12.9
FASTENER GRADE/TORQUE
FASTENER
SIZE
5.8
Grade
8.8
Grade
10.9
Grade
12.9
Grade
M4
1.5 — 2 N•m
(13 — 18 lbf•
in
)
2.5 — 3 N•m
(22 — 27 lbf•
in
)
3.5 — 4 N•m
(31 — 35 lbf•
in
)
4 — 5 N•m
(35 — 44 lbf•
in
)
M5
3 — 3.5 N•m
(27 — 31 lbf•
in
)
4.5 — 5.5 N•m
(40 — 47 lbf•
in
)
7 — 8.5 N•m
(62 — 75 lbf•
in
)
8 — 10 N•m
(71 — 89 lbf•
in
)
M6
6.5 — 8.5 N•m
(58 — 75 lbf•
in
)
8 — 12 N•m
(71 — 106 lbf•
in
)
10.5 — 15 N•m
(93 — 133 lbf•
in
)
16 N•m (142 lbf•
in
)
M8
15 N•m (11 lbf•ft)
24.5 N•m (18 lbf•ft)
31.5 N•m (23 lbf•ft)
40 N•m (30 lbf•ft)
M10
29 N•m (21 lbf•ft)
48 N•m (35 lbf•ft)
61 N•m (45 lbf•ft)
72.5 N•m (53 lbf•ft)
M12
52 N•m (38 lbf•ft)
85 N•m (63 lbf•ft)
105 N•m (77 lbf•ft)
127.5 N•m (94 lbf•ft)
M14
85 N•m (63 lbf•ft)
135 N•m (100 lbf•ft)
170 N•m (125 lbf•ft)
200 N•m (148 lbf•ft)
smr2005-002
XVII
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