Sinoboom AB16EJ Plus - Fastener Torque Specifications

© Mar. 2023
18 AB16EJ Plus Maintenance Manual
TECHNICAL CHARACTERISTICS
Fastener Torque Specifications
Unless special torque requirements are stated in this manual or other instructions, torque metric bolts to the values
listed in the table below.
Table 3-17 Fastener torque specifications-Metric
Nominal
diameter (mm)
Pitch (mm)
Class 8.8 Class 10.9 Class 12.9
5 0.8
7Nm (5ft-lb) 9Nm (7ft-lb) 10Nm (7ft-lb)
6 1
12Nm (9ft-lb) 15Nm (11ft-lb) 18Nm (13ft-lb)
8
1.25
30Nm (22ft-lb) 35Nm (26ft-lb) 42Nm (31ft-lb)
1
30Nm (22ft-lb) 37Nm (27ft-lb) 45Nm (33ft-lb)
10
1.5
55Nm (41ft-lb) 75Nm (55ft-lb) 85Nm (63ft-lb)
1.25
56Nm (41ft-lb) 77Nm (57ft-lb) 87Nm (64ft-lb)
1
60Nm (44ft-lb) 80Nm (59ft-lb) 92Nm (68ft-lb)
12
1.75
95Nm (70ft-lb) 125Nm (92ft-lb) 150Nm (111ft-lb)
1.5
100Nm (74ft-lb) 130Nm (96ft-lb) 155Nm (114ft-lb)
1.25
105Nm (77ft-lb) 135Nm (100ft-lb) 160Nm (118ft-lb)
14
2
150Nm (110ft-lb) 200Nm (148ft-lb) 230Nm (170ft-lb)
1.5
165Nm (122ft-lb) 210Nm (155ft-lb) 250Nm (184ft-lb)
16
2
230Nm (170ft-lb) 300Nm (221ft-lb) 360Nm (266ft-lb)
1.5
250Nm (184ft-lb) 320Nm (236ft-lb) 380Nm (280ft-lb)
18
2.5
320Nm (236ft-lb) 420Nm (310ft-lb) 500Nm (369ft-lb)
1.5
360Nm (266ft-lb) 470Nm (345ft-lb) 550Nm (406ft-lb)
20
2.5
450Nm (332ft-lb) 600Nm (443ft-lb) 700Nm (516ft-lb)
1.5
500Nm (369ft-lb) 650Nm (479ft-lb) 770Nm (568ft-lb)
22
2.5
600Nm (443ft-lb) 800Nm (590ft-lb) 980Nm (723ft-lb)
2
650Nm (479ft-lb) 850Nm (627ft-lb) 1050Nm (774ft-lb)
24
3
750Nm (553ft-lb) 1050Nm (774ft-lb) 1250Nm (923ft-lb)
2
800Nm (590ft-lb) 1100Nm (811ft-lb) 1300Nm (959ft-lb)
27 3
1150Nm (848ft-lb) 1500Nm (1106ft-lb) 1800Nm (1327ft-lb)
30 3.5
1500Nm (1106ft-lb) 2000Nm (1475ft-lb) 2400Nm (1770ft-lb)
Unless special torque requirements are listed in this manual or other instructions, torque Unified Thread Standard
bolts (label: UNC) to the values listed in the table below.
Table 3-18 Fastener torque specifications-Unified Thread Standard (UNC)
NNoommiinnaall
ddiiaammeetteerr ((iinn))
OOppppoossiittee nnuutt ssiizzee ((ss))
CCllaassss 55 CCllaassss 88
1/4-20 7/16"
10Nm (7ft-lb) 14Nm (10ft-lb)
5/16-18 1/2"
21Nm (15ft-lb) 29Nm (21ft-lb)
3/8-16 9/16"
37Nm (27ft-lb) 51Nm (38ft-lb)