56
7/120 (P425AWIR), 9/110 (XP375AWIR), 10/105 (HP375AWIR), 14/85 (VHP300AWIR),
7/170 (P600WIR), 10/125 (HP450WIR), 14/115 (VHP400WIR)
TABLE 2 METRIC FASTENERS
NOMINAL DESIGN TORQUE
PROPERTY
GRADE 8.8
(HEAD MARKING)
PROPERTY
GRADE 10.9
(HEAD MARKING)
PROPERTY
GRADE 12.9
(HEAD MARKING)
TYPICAL RECTANGULAR TORQUE
PATTERN
CAPSCREW
OR NUT
THREAD
SIZE AND
PITCH
TYPICAL SQUARE TORQUE
PATTERN
(Nm.) (FT–LBF)
(Nm.) (FT–LBF)
(Nm.) (FT–LBF)
M6 X 1.0 11 8
15 11
18 13
M8 X 1.25 26 19
36 27
43 31
M10 X 1.5 52 38
72 53
84 62
M12 X 1.75 91 67
126 93
147 109
M14 X 2 145 107
200 148
234 173
M16 X 2 226 166
313 231
365 270
TYPICAL CIRCULAR TORQUE
PATTERN
M20 X 2.5 441 325
610 450
713 526