Mini Spt Hard Rock Drilling Equipment Vertical Drilling ST50 Core Drilling Rig
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,mini core drilling rig
,mini hard rock drilling equipment
The ST50 is a versatile hydraulic portable drilling rig designed for soil testing, exploration, and various drilling applications.
| Max. drilling depth | 50m |
| Max. opening diameter | φ75-φ108mm |
| End hole diameter | 56-75mm |
| Active drill pipe | 50/1000mm |
| Drill pipe diameter | Φ42mm |
| Drill pipe length | 1000mm |
| Power (diesel engine) | 5.8kw(8P)/2200r/min |
| Size | 1400*600*1600mm |
| Weight | 240kg |
| Spindle Speed | 285-570r/min |
| Torque | 600 N*m |
| Stroke | 1000mm |
| Lifting force | 300KG |
| Pressure | 200KG |
- Double oil cylinder hydraulic feeding system for fast drilling speed and high working efficiency
- Fixed clamping mechanism and integrated main rod - no drilling tower required for convenient operation
- 4-speed transmission system with three forward gears and slow reverse gear for easy drill pipe disassembly
- Centralized handle controls for easy, safe, and feasible operation
- Pressure gauge at the bottom of the hole to monitor in-hole conditions
- Compact structure with small floor area requirements
- Strong decomposition ability for easy movement in hilly, mountainous, and complex terrain
- Unscrew and discard the old oil filter
- Clean the filter shell and dredge front and rear differential pressure through holes
- Check differential pressure transmitter for normal operation
- Fill new filter element with oil and apply oil to the sealing ring
- Screw filter element until contact with sealing gasket, then manually tighten by 1/3 turn
- After startup, check for any leakage








Jinzhou Shitan Machinery Equipment Co., Ltd. Main Products:
Pneumatic Drilling Rig / Air Drilling Rig(ST-180,ST-200,ST-260,ST-300,ST-350,ST-400,ST450,ST-450,ST-500, ST-600,ST-800 and other Pneumatic water well drilling Rigs.), Crawler Water Well Drilling Rig / Trailer Mounted Drilling Rig / Water Well Drilling Rig / Hydraulic Borewell Machine / Hard Rock Drilling Equipment / Diamond Core Drill Rig / Geological Drilling Rig / Soil Testing Drilling Rig / Portable Water Well Drilling Rig(ST-30,ST-50,XY-1A, XY-1B, XY-2, XY-2B,GK180, GK200, GY150, GY200 and 30 impact drill rig, ZLJ series tunnel drilling rig and other geological drilling machines)Crawler Track Undercarriage, Drilling Mud Pump(BW150,BW160,BW200,BW250,BW850 series Drilling mud pumps), Drilling Air Compressor, Water Well Drill Bits(PDC Drill Bit, Tricone Bit, DTH Button Bit), Water Well Drill Pipe, Drilling Rig Spare Parts( drilling rods , drilling rods joint , casing pipe, casing coupling, core tube, core tube coupling, lifters, automatic drop hammer, sampler, SPT tool, wrench fork, pad fork, lock joint), Track Transporter
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