Crown RC 5500 series - Torque Chart - Metric Socket Head Cap Screws; Torque Chart - Metric Flanged Hex Head Cap Screws and Nuts

75
M1.9-06.6-003
02 Rev. 11/08
LUBRICATION & ADJUSTMENT
Metric Torque Values
Torque Chart - Metric Socket Head Cap Screws
Thread Diameter
& Pitch
Tightening Torque Nm (ft lb)
Class 8.8 Class 10.9 Class 12.9
M5 x 0.80 5 - 8 (4 - 6) 7 - 9 (5 - 7) 8 - 11 (6 - 8)
M6 x 1.00 9 - 12 (7 - 9) 12 - 15 (9 - 11) 15 - 18 (11 - 13)
M8 x 1.25 22 - 24 (16 - 18) 30 - 33 (22 - 24) 35 - 38 (26 - 28)
M10 x 1.50 42 - 45 (31 - 33) 58 - 64 (43 - 47) 71 - 76 (52 - 56)
M12 x 1.75 72 - 77 (53 - 57) 102 - 110 (75 - 81) 122 - 132 (90 - 97)
M14 x 2.00 115 - 125 (85 - 92) 161 - 175 (119 - 129) 194 - 210 (143 - 155)
M16 x 2.00 179 - 194 (132 - 143) 251 - 273 (185 - 201) 301 - 327 (222 - 241)
M20 x 2.50 348 - 377 (257 - 278) 489 - 530 (361 - 391) 588 - 637 (434 - 470)
M24 x 3.00 601 - 651 (443 - 480) 846 - 915 (624 - 675) 1014 - 1098 (748 - 810)
M30 x 3.50 1196 - 1296 (882 - 956) 1681 - 1822 (1240 - 1344) 2017 - 2187 (1488 - 1613)
Note: Torque values called out in the maintenance section of this manual will take precedence over torque
values found on this page.
Torque Chart - Metric Flanged Hex Head Cap Screws and Nuts
Thread Diameter
& Pitch
Tightening Torque Nm (ft lb)
Class 8.8 Class 10.9 Class 12.9
M5 x 0.80 8 - 11 (6 - 8) 9 - 12 (7 - 9)
M6 x 1.00 14 - 16 (10 - 12) 16 - 19 (12 - 14)
M8 x 1.25 31 - 34 (23 - 25) 38 - 41 (28 - 30)
M10 x 1.50 62 - 68 (46 - 50) 75 - 81 (55 - 60)
M12 x 1.75 108 - 117 (80 - 86) 130 - 141 (96 - 104)
M14 x 2.00 174 - 187 (128 - 138) 209 - 225 (154 - 166)
M16 x 2.00 273 - 294 (201 - 217) 327 - 354 (241 - 2610
M20 x 2.50
Note: Torque values called out in the maintenance section of this manual will take precedence over torque
values found on this page.
Crown 1989 PF8514-3 Rev. 11/08