YHD90D consist of R38 Female connector for accommodate R38 shank adapter.Flushing swivel allows to uses pressurized air or water as flushing media.
Optional borehole diameter is 43mm and Maximum 76mm.
Product Parameter
Descriptions | Unit | Technical data |
Percussion oil pressure | bar | 230 |
Pressure oil flow | l/min | 60-100 |
Rotation oil pressure | bar | 150 |
Rotation oil flow | l/min | 30-44 |
Rotation torque (max) | Nm | 560 |
Rotation speed (max) | rpm | 250 |
Percussion frequency | min-1 | 3500-8000 |
Percussion energy | J | 125-175 |
Output energy | kW | 16.5 |
Drilling diameter | mm | 43-76 |
Weight | Kg | 155 |





Company Information

Zhangjiagang Free Zone Yongda Machinery originally from Taiwan, has more than 40 years of manufacturing and management experience, We professionally manufacture various kinds of hydraulic rock drills, rotary heads, drifters and other advanced drilling equipment for roadway, railway, tunneling, geological surveys, foundation strengthening. mountain mining and so on.
Serve state-managed companies, construction conglomerates and well-known domestics, overseas drilling enterprise. Yonda Machinery is an advanced factory which integrated design, fabrication, sales and service.



