3 - Tightening torques: hydraulic unions with metric straight thread
Tensile grade
ISO 6149-3
Thread
10% / 0%
mm
Nominal
M8 x 1
8 Nm
M10 x 1
15 Nm
M12 x 1.5
25 Nm
M14 x 1.5
35 Nm
M16 x 1.5
40 Nm
M18 x 1.5
45 Nm
M22 x 1.5
60 Nm
M27 x 2
100 Nm
M33 x 2
160 Nm
M42 x 2
210 Nm
M48 x 2
260 Nm
M60 x 2
315 Nm
4 - Tightening torques: hydraulic unions with straight thread in inches
Tensile grade
SAE J 514
Thread
Torque
Inch
Min.
Max.
5/16 - 24 UNF
8 Nm
9 Nm
3/8 - 24 UNF
11 Nm
12 Nm
7/16 - 20 UNF
18 Nm
20 Nm
1/2 - 20 UNF
23 Nm
26 Nm
9/16 - 18 UNF
29 Nm
33 Nm
3/4 - 16 UNF
49 Nm
53 Nm
7/8 - 14 UNF
59 Nm
64 Nm
1-1/16 - 12 UN
93 Nm
102 Nm
1-3/16 - 12 UN
122 Nm
134 Nm
1-5/16 - 12 UN
151 Nm
166 Nm
1-5/8 - 12 UN
198 Nm
218 Nm
1-7/8 - 12 UN
209 Nm
231 Nm
2-1/2 - 12 UN
296 Nm
325 Nm
1. Introduction
1-22
ACX2831410
