MAINTENANCE
77
12/154
TORQUE VALUES
TABLE 1
INCH FASTENERS
TYPICAL RECTANGULAR TORQUE PATTERN
TYPICAL SQUARE TORQUE PATTERN
TYPICAL CIRCULAR TORQUE PATTERN
CAPSCREW
OR NUT
THREAD SIZE
AND PITCH
NOMINAL DESIGN TORQUE
8AE J249
GRADE 5
(HEAD MARKING)
8AE J249
GRADE 8
(HEAD MARKING)
(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
3/4 - 10
361
266
509
376
Summary of Contents for 12/154
Page 2: ......
Page 4: ......
Page 84: ...80 MACHINE SYSTEMS 12 154 page ...
Page 86: ...82 MACHINE SYSTEMS 12 154 ...
Page 88: ...84 MACHINE SYSTEMS 12 154 ...
Page 90: ...86 MACHINE SYSTEMS 12 154 ...
Page 92: ...88 MACHINE SYSTEMS 12 154 ...
Page 94: ...90 MACHINE SYSTEMS 12 154 ...
Page 108: ......