Tightening Torque For Nut And Bolt Connections - PRONAR T683 Operator's Manual

SECTION 5
FIGURE 5.15 Bolt with metric thread
(1) resistance class, (d) thread diameter
TABLE 5.4

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
Hydraulic conduits should be tightened with torque of 50 – 70 Nm.
(1)
5.8
37
64
100
160
300
530
820
1,050
5.37
(1)
8.8
Md [Nm]
49
85
135
210
425
730
1 150
1 450
Pronar T683
(1)
10.9
72
125
200
310
610
1 050
1 650
2 100