Central Hole Jacks

Hydraulic Jacks - Central Hole Jacks

These jacks are specially designed for pull out tests on foundation bolts, rock bolts or the like and are extensively used by Structural Engineers and Research Institutions. These jacks have a hole in the centre and are designed for dual operation. The hand pump is specially designed with two control lines i.e. one for extraction and the other for retraction. Separate control valves are provided. A calibrated load gauge is provided with each jack to read the load directly. Lifting handles are provided on jacks and pumps for ease of transportation.

Cap Sensitivity
100 KN 1.0 KN
250 KN 2.0 KN
500 KN 5.0 KN
1000 KN 5.0 KN