OPERATION AND SERVICE INFORMATION
Read all of Section B and this section before attempting any procedure. Pay particular attention to all Notes, Cautions and Warnings.
B
BOLT SIZE
Grade 2
Grade 5
Grade 8
BOLT SIZE
Class 5.8
(Grade 2)
5.8
Class 8.8
8.8
(Grade 5)
Class 10.9
10.9
(Grade 8)
Ref Tsp 1
Page 32
ALL TORQUE FIGURES ARE IN FT. LBS. (Nm)
Unless otherwise noted in text, tighten all hardware in accordance with this chart.
This chart specifies 'lubricated' torque figures. Fasteners that are plated or lubricated when
installed are considered 'wet' and require approximately 80% of the torque required for 'dry' fasteners.
1/4"
5/16"
3/8"
4
8
15
(5)
(11)
(20)
6
13
23
(8)
(18)
(31)
6
18
35
(8)
(24)
(47)
M4
M5
M6
1
2
4
(2)
(3)
(6)
2
4
7
(3)
(6)
(10)
3
6
10
(4)
(8)
(14)
Fig. 52 Torque Specifications and Bolt Grades
7/16"
1/2"
9/16"
24
35
55
(33)
(47)
(75)
35
55
80
(47)
(75)
(108)
55
80
110
(75)
(108)
(149)
M8
M10
M12
10
20
35
(14)
(27)
(47)
18
35
61
(24)
(47)
(83)
25
49
86
(34)
(66)
(117)
5/8"
3/4"
7/8"
75
130
125
(102)
(176)
(169)
110
200
320
(149)
(271)
(434)
170
280
460
(230)
(380)
(624)
M14
55
(76.4)
97
(131)
136
(184)
1"
190
(258)
480
(651)
680
(922)