Installation 37/56
RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70,
Bosch Rexroth AG
Table 16: Tightening torques for female threads and threaded plugs
Ports
Maximum permissible
tightening torque of female
threads
M
G max
Required tightening torque
of threaded plugs
M
V
wAF hexagon socket of the
threaded plugs
Standard
Thread size
DIN 3852
M8 × 1
10 Nm
7 Nm
1)
3 mm
M10 × 1
30 Nm
15 Nm
2)
5 mm
M12 × 1.5
50 Nm
25 Nm
2)
6 mm
M14 × 1.5
80 Nm
35 Nm
1)
6 mm
M16 × 1.5
100 Nm
50 Nm
1)
8 mm
M18 × 1.5
140 Nm
60 Nm
1)
8 mm
M22 × 1.5
210 Nm
80 Nm
1)
10 mm
M26 × 1.5
230 Nm
120 Nm
1)
12 mm
M27 × 2
330 Nm
135 Nm
1)
12 mm
M33 × 2
540 Nm
225 Nm
1)
17 mm
M42 × 2
720 Nm
360 Nm
1)
22 mm
M48 × 2
900 Nm
400 Nm
1)
24 mm
ISO 11926
5/16-24 UNF-2B
10 Nm
7 Nm
1/8 in
3/8-24 UNF-2B
20 Nm
10 Nm
5/32 in
7/16-20 UNF-2B
40 Nm
18 Nm
3/16 in
9/16-18 UNF-2B
80 Nm
35 Nm
1/4 in
3/4-16 UNF-2B
160 Nm
70 Nm
5/16 in
7/8-14 UNF-2B
240 Nm
110 Nm
3/8 in
1 1/16-12 UN-2B
360 Nm
170 Nm
9/16 in
1 5/16-12 UN-2B
540 Nm
270 Nm
5/8 in
1 5/8-12 UN-2B
960 Nm
320 Nm
3/4 in
1 7/8-12 UN-2B
1200 Nm
390 Nm
3/4 in
1)
The tightening torques for the threaded plugs apply when the plugs are dry or lightly oiled.
2)
The tightening torques for the threaded plugs apply when the plugs are dry – when lightly oiled, the tightening torques for M10 × 1
are reduced to 10 Nm and to 17 Nm for M12 × 1.5.
