RE 90300-B/2021-01-19, Bosch Rexroth AG
Installation |
Axial piston units
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Table 7: Tightening torques for female threads
1)
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 plug
Standard
Thread size
DIN 3852
M8 × 1
10 Nm
7 Nm
2)
3 mm
M10 × 1
30 Nm
15 Nm
3)
5 mm
M12 × 1.5
50 Nm
25 Nm
3)
6 mm
M14 × 1.5
80 Nm
35 Nm
2)
6 mm
M16 × 1.5
100 Nm
50 Nm
2)
8 mm
M18 × 1.5
140 Nm
60 Nm
2)
8 mm
M22 × 1.5
210 Nm
80 Nm
2)
10 mm
M26 × 1.5
230 Nm
120 Nm
2)
12 mm
M27 × 2
330 Nm
135 Nm
2)
12 mm
M33 × 2
540 Nm
225 Nm
2)
17 mm
M42 × 2
720 Nm
360 Nm
2)
22 mm
M48 × 2
900 Nm
400 Nm
2)
24 mm
ISO 6149
M8 × 1
10 Nm
7 Nm
4 mm
M10 × 1
30 Nm
15 Nm
5 mm
M12 × 1.5
50 Nm
25 Nm
6 mm
M14 × 1.5
80 Nm
45 Nm
6 mm
M16 × 1.5
100 Nm
55 Nm
8 mm
M18 × 1.5
140 Nm
70 Nm
8 mm
M20 × 1,5
170 Nm
80 Nm
10 mm
M22 × 1.5
210 Nm
100 Nm
10 mm
M27 × 2
330 Nm
170 Nm
12 mm
M30 × 2
420 Nm
215 Nm
17 mm
M33 × 2
540 Nm
310 Nm
17 mm
M42 × 2
720 Nm
330 Nm
22 mm
M48 × 2
900 Nm
420 Nm
22 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)
Depending on the specific product, reduced values may be possible, e.g. with an aluminum housing.
2)
The tightening torques for the threaded plugs are valid for the condition "dry" and "lightly oiled".
3)
The tightening torques for the threaded plugs are valid for the condition "dry" – in the condition "lightly oiled", the tightening torques
for M10 × 1 are reduced to 10 Nm and for M12 × 1.5 to 17 Nm.
