Specifications
● Maximum working pressure 70Mpa, accuracy up to ±3%
● 5 models from 262-48481 N.m
● 360°×360° rotating oil pipe joint, no space limitation
● Directly acts on the nut, more precise, lighter, and reliable torque
● Ultra-thin design, suitable for narrow spaces
● Power head and work head are easy to disassemble
● New toothed anti-loosening joint, ensuring smooth oil passage ※ Equipped with safety valve

The XH series hollow hydraulic torque wrench is specially designed for narrow spaces. It can adapt to different bolt conditions by equipping one power head with multiple work heads of different specifications. The work head can be easily replaced without any tools, and it is easy to learn and use. Simple replacement operations can save a lot of time during work and improve work efficiency. The aerospace material of aluminum titanium alloy gives it a lightweight body, suitable for ultra-high-strength work. UNO brand provides global after-sales service and has complete supporting supply capabilities. The company has passed ISO9001 and ISO14001 certifications.

(Figure 1) is an exploded view of the accessories for the hollow hydraulic torque wrench:
| Vertical reaction arm | ![]() |
| Extension reaction arm | ![]() |
XH Series Hydraulic Torque Wrench Selection Table
| Model
|
Torque (N.m)
|
Nut across flats (mm)
|
Weight (Kg)
|
Structural dimensions (mm)
|
A
|
||||
| L1 | H1 | H2 |
W1 |
W2 | |||||
| UNO-2XH |
262~2625 306~3068 |
19~46 50~60 |
0.9 |
193 193 |
125 136 |
97 108 |
32 32 |
5 |
10~15 10~11 |
| UNO-4XH |
537~5372 603~6037 |
27~65 70~80 |
1.9 |
250 250 |
158 169 |
125 136 |
41 |
64 64 |
11~19 11.7~12 |
| UNO-8XH |
1173~11737 1434~14349 |
50~80 85~105 |
3.4 |
310 310 |
189 214 |
157 182 |
52 52 |
78 78 |
15~15.2 16~22 |
| UNO-14XH |
2121~21216 2312~23124 |
70~100 105~115 |
5.9 |
378 378 |
223 236 |
191 204 |
64 64 |
97 97 |
8~21 18~24 |
| UNO-30XH |
4379~43792 4848~48481 |
80~117 120~175 |
16.1 |
405* 425* |
291* 309* |
242* 260* |
83 83 |
93 93 |
25~31* 25~34* |
XH series / hollow hydraulic torque wrench
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