Doosan 12/154 Operation & Maintenance Manual page 82

78 MAINTENANCE
TABLE 2
PROPERTY
GRADE 8.8
(HEAD MARKING)
CAPSCREW
OR NUT
THREAD SIZE
AND PITCH
(Nm.)
M6 X 1.0 11
M8 X 1.25 26
M10 X 1.5 52
M12 X 1.75 91
M14 X 2 145
M16 X 2 226
M20 X 2.5 441
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METRIC FASTENERS
NOMINAL DESIGN TORQUE
PROPERTY
GRADE 10.9
(HEAD MARKING)
(FT-LBF) (Nm.) (FT-LBF)
8 15
19 36
38 72
67 126
107 200 148
166 313 231
325 610 450
PROPERTY
GRADE 12.9
(HEAD MARKING)
(Nm.) (FT-LBF)
11 18 13
27 43 31
53 84 62
93 147 109
234 173
365 270
713 526
TYPICAL RECTANGULAR TORQUE
PATTERN
TYPICAL SQUARE TORQUE PATTERN
TYPICAL CIRCULAR TORQUE PATTERN