Sinoboom 0608ME - Page 27

TECHNICAL CHARACTERISTICS
0608ME All Maintenance Manual 17
© Jan. 2024
Table 3-11 Fastener torque specifications – Unified Thread Standard (UNC) (continued)
NNoommiinnaall
ddiiaammeetteerr ((iinn))
OOppppoossiittee nnuutt ssiizzee ((ss))
CCllaassss 55 CCllaassss 88
7/16-14 5/8"
60 Nm (44 ft-lb) 82 Nm (60 ft-lb)
1/2-13 3/4"
90 Nm (66 ft-lb) 130 Nm (96 ft-lb)
9/16-12 13/16"
130 Nm (96 ft-lb) 180 Nm (133 ft-lb)
5/8-11 15/16"
178 Nm (131 ft-lb) 250 Nm (184 ft-lb)
3/4-10 1-1/8"
315 Nm (232 ft-lb) 445 Nm (328 ft-lb)
7/8-9
- 509 Nm (375 ft-lb) 715 Nm (527 ft-lb)
Unless special torque requirements are specified in this manual or other instructions, torque Unified Thread Standard
bolts (label: UNF) to the values listed in the table below.
Table 3-12 Fastener torque specification-Unified Thread Standard bolts (UNF)
NNoommiinnaall
ddiiaammeetteerr ((iinn))
OOppppoossiittee nnuutt ssiizzee ((ss))
CCllaassss 55 CCllaassss 88
1/4-28 7/16"
11.5 Nm (8 ft-lb) 16 Nm (11 ft-lb)
5/16-24 1/2"
23 Nm (17 ft-lb) 32 Nm (24 ft-lb)
3/8-24 9/16"
41 Nm (30 ft-lb) 58 Nm (43 ft-lb)
7/16-20 5/8"
65 Nm (48 ft-lb) 92 Nm (68 ft-lb)
1/2-20 3/4"
100 Nm (74 ft-lb) 145 Nm (107 ft-lb)
9/16-18 13/16"
145 Nm (107 ft-lb) 200 Nm (148 ft-lb)
5/8-18 15/16"
200 Nm (148 ft-lb) 280 Nm (207 ft-lb)
3/4-16 1-1/8"
350 Nm (258 ft-lb) 495 Nm (365 ft-lb)
7/8-14
- 560 Nm (413 ft-lb) 780 Nm (575 ft-lb)