MAINTENANCE
49
9/235
TABLE 1
INCH FASTENERS
NOMINAL DESIGN TORQUE
8AE J249
GRADE 5
(HEAD MARKING)
8AE J249
GRADE 8
(HEAD MARKING)
TYPICAL RECTANGULAR TORQUE
PATTERN
CAPSCREW
OR NUT
THREAD SIZE
AND PITCH
TYPICAL SQUARE TORQUE
PATTERN
(Nm.)
(FT
−
LBF)
(Nm.)
(FT
−
LBF)
1/4
−
20
11
8
16
12
5/16
−
18
24
17
33
25
3/8
−
16
42
31
59
44
7/16
−
14
67
49
95
70
1/2
−
13
102
75
144
106
9/16
−
12
148
109
208
154
5/8
−
11
203
150
287
212
TYPICAL CIRCULAR TORQUE
3/4
−
10
361
266
509
376
TYPICAL CIRCULAR TORQUE
PATTERN
Wheel Torque
Chart
Nut/Bolt Size
Wheel Size
Torque (ft
−
lb
)
M12
13 inch
60
−
70
1/2” lug nuts
13 inch
80
−
90
1/2” lug nuts
15 inch
105
−
115
1/2” lug nuts
16 inch
105
−
115
1/2” lug nuts
16.5 inch
105
−
115
5/8” lug nuts
16 inch
190
−
210
5/8” lug nuts
17.5 inch
190
−
210