TUG Technologies 660 - Torque Values; Metric Fasteners; Figure Operation - 3 - 1: Capscrew Examples; Table Operation-3-2: Torque Values for Metric Fasteners

Mobile Belt Loader Model 660 Operation
Operation Manual
Operation - 3 - 28 CD397-Oper
3.2TorqueValues
Metric capscrews and nuts are identified by the grade number stamped on the head of the cap-
screw or surface of a nut; while Standard capscrews are identified by a series of lines:
• Grade 5: three (3) lines
• Grade 8: six (6) lines
FigureOperation-3-1:CapscrewExamples
The following torque tables apply to graded metric and standard fasteners used on the Model
660. The listed values apply to bolts threaded into either nuts or tapped holes in iron or steel.
These torque values are not a replacement for torque values specified elsewhere in this manual.
3.2.1MetricFasteners
TableOperation-3-2:TorqueValuesforMetricFasteners
Nominal
Diameter
(mm)
Pitch
(mm)
Class8.8
(Nm)
Class10.9
(Nm)
Class12.9
(Nm)
4 0.7 2.576 3.661 4.339
5 0.8 5.288 7.457 8.813
6 1 8.948 12.745 14.914
7 1 14.914 21.422 24.947
8 1.25 21.693 31.048 36.200
10 1.5 42.844 61.283 71.723
12 1.75 74.706 106.974 125.006
14 2 119.448 170.969 199.848
16 2 185.747 265.740 310.482
18 2.5 256.250 366.070 428.438
20 2.5 362.003 517.922 604.695
22 2.5 493.518 706.381 825.693
24 3 625.032 894.840 1045.336
8.8
Metric Capscrew
Standard Capscrew