Sinoboom 0608ME - Fastener Torque Specifications

© Jan. 2024
16 0608ME All Maintenance Manual
TECHNICAL CHARACTERISTICS
Fastener Torque Specifications
Torque metric bolts to the values specified in the table below unless special torque requirements are stated in this
manual or other instructions.
Table 3-10 Fastener torque specifications – metric
Nominal
diameter (mm)
Pitch (mm)
Class 8.8 Class 10.9 Class 12.9
5 0.8
7 Nm (5 ft-lb) 9 Nm (7 ft-lb) 10 Nm (7 ft-lb)
6 1
12 Nm (9 ft-lb) 15 Nm (11 ft-lb) 18 Nm (13 ft-lb)
8
1.25
30 Nm (22 ft-lb) 35 Nm (26 ft-lb) 42 Nm (31 ft-lb)
1
30 Nm (22 ft-lb) 37 Nm (27 ft-lb) 45 Nm (33 ft-lb)
10
1.5
55 Nm (41 ft-lb) 75 Nm (55 ft-lb) 85 Nm (63 ft-lb)
1.25
56 Nm (41 ft-lb) 77 Nm (57 ft-lb) 87 Nm (64 ft-lb)
1
60 Nm (44 ft-lb) 80 Nm (59 ft-lb) 92 Nm (68 ft-lb)
12
1.75
95 Nm (70 ft-lb) 125 Nm (92 ft-lb) 150 Nm (111 ft-lb)
1.5
100 Nm (74 ft-lb) 130 Nm (96 ft-lb) 155 Nm (114 ft-lb)
1.25
105 Nm (77 ft-lb) 135 Nm (100 ft-lb) 160 Nm (118 ft-lb)
14
2
150 Nm (110 ft-lb) 200 Nm (148 ft-lb) 230 Nm (170 ft-lb)
1.5
165 Nm (122 ft-lb) 210 Nm (155 ft-lb) 250 Nm (184 ft-lb)
16
2
230 Nm (170 ft-lb) 300 Nm (221 ft-lb) 360 Nm (266 ft-lb)
1.5
250 Nm (184 ft-lb) 320 Nm (236 ft-lb) 380 Nm (280 ft-lb)
18
2.5
320 Nm (236 ft-lb) 420 Nm (310 ft-lb) 500 Nm (369 ft-lb)
1.5
360 Nm (266 ft-lb) 470 Nm (345 ft-lb) 550 Nm (406 ft-lb)
20
2.5
450 Nm (332 ft-lb) 600 Nm (443 ft-lb) 700 Nm (516 ft-lb)
1.5
500 Nm (369 ft-lb) 650 Nm (479 ft-lb) 770 Nm (568 ft-lb)
22
2.5
600 Nm (443 ft-lb) 800 Nm (590 ft-lb) 980 Nm (723 ft-lb)
2
650 Nm (479 ft-lb) 850 Nm (627 ft-lb) 1050 Nm (774 ft-lb)
24
3
750 Nm (553 ft-lb) 1050 Nm (774 ft-lb) 1250 Nm (923 ft-lb)
2
800 Nm (590 ft-lb) 1100 Nm (811 ft-lb) 1300 Nm (959 ft-lb)
27 3
1150 Nm (848 ft-lb) 1500 Nm (1106 ft-lb) 1800 Nm (1327 ft-lb)
30 3.5
1500 Nm (1106 ft-lb) 2000 Nm (1475 ft-lb) 2400 Nm (1770 ft-lb)
Unless special torque requirements are specified in this manual or other instructions, torque Unified Thread Standard
bolts (label: UNF) to the values specified in the table below.
Table 3-11 Fastener torque specifications – Unified Thread Standard (UNC)
NNoommiinnaall
ddiiaammeetteerr ((iinn))
OOppppoossiittee nnuutt ssiizzee ((ss))
CCllaassss 55 CCllaassss 88
1/4-20 7/16"
10 Nm (7 ft-lb) 14 Nm (10 ft-lb)
5/16-18 1/2"
21 Nm (15 ft-lb) 29 Nm (21 ft-lb)
3/8-16 9/16"
37 Nm (27 ft-lb) 51 Nm (38 ft-lb)