Instructions
YHD5A Consist of Spline line chuck for accommodating R25, R28 or R32 Shank Adapter.
Integrated with separated flushing swivel allows to use pressurized Air or Water as flushing media.
Optimal borehole diameter is 32- 54mm.

Parameter

Product Video
FAQ
1. What hole diameters is the YHD5A suitable for?
The recommended hole diameter range is 32–54 mm for small-diameter rock drilling. Drilling tools should be selected according to rock conditions and project requirements.
2. Which shank adapters does the YHD5A accommodate?
The YHD5A accommodates R25, R28 or R32 shank adapters. Please specify the required size when ordering to match your drilling tools.
3. Can the YHD5A use air or water for flushing?
Yes. Its separate flushing swivel supports pressurized air or water for cuttings removal. The flushing medium can be selected according to site availability and drilling requirements.
4. Can the YHD5A be fitted to an existing drilling rig?
Compatibility depends on the rig’s hydraulic pressure and flow, mounting dimensions and feed system. Please provide the rig model, hydraulic specifications and mounting dimensions for YONDA to assess suitability.



