Inspection Of Tightening Torque Of Nut And Bolt Connections; Tightening Torque For Nut And Bolt Connections - PRONAR T023 Manual

PRONAR T023, PRONAR T023M
5.9 INSPECTION OF TIGHTENING TORQUE OF
NUT AND BOLT CONNECTIONS

5.9.1 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS

TABLE 5.6 Tightening torque for nut and bolt connections
THREAD
METRIC
M10
M12
M14
M16
M20
M24
M27
M30
(1) – resistance class according to DIN ISO 898 standard
Unless other tightening parameters are given, during maintenance repair work apply
appropriate torque to tightening nut and bolt connections. Recommended tightening torque
values for the most frequently used bolt and nut connections are given in table (5.6). Given
values apply to non-lubricated steel bolts.
TIP
Hydraulic conduits should be tightened with a torque of 50 – 70 Nm.
(1)
5.8
37
64
100
160
300
530
820
1,050
5.32
(1)
8.8
Md [Nm]
49
85
135
210
425
730
1,150
1,450
SECTION 5
(1)
10.9
72
125
200
310
610
1,050
1,650
2,100