CH-D20 Electric Portable Core Drilling Rig (25 m)
65 kg on a mains motor: no fuel, no exhaust, no engine servicing. Built for indoor, tunnel and inner-city investigation where a petrol engine is not permitted.
Drilling depth: 25 m at 46 mm · 5 m at 91 mmHole diameter: 46 – 91 mm (1.81 – 3.58 in)Drill pipe: 30 mm
Portable Core Drilling Rigs (10 – 300 m)
Model Overview
65 kg on a mains motor: no fuel, no exhaust, no engine servicing. Built for indoor, tunnel and inner-city investigation where a petrol engine is not permitted.
Technical Specifications
| Drilling depth | 25 m at 46 mm · 5 m at 91 mm |
| Hole diameter | 46 – 91 mm (1.81 – 3.58 in) |
| Drill pipe | 30 mm |
| Power | 2.2 / 3.0 kW electric, 220 V or 380 V |
| Rotation speed | 750 rpm high-speed build · 320 rpm low-speed build |
| Max torque | 28 N·m high-speed · 60 N·m low-speed |
| Overall size | 740 × 530 × 1,600 mm |
| Weight | 65 kg |
| Application | Indoor, tunnel and urban investigation where engines are not allowed |
Advantages
Key Features
- 2.2 or 3.0 kW motor on 220 V single phase or 380 V three phase — runs off a site socket or a small genset.
- No exhaust and no fuel handling: suitable for indoor, tunnel and inner-city investigation.
- 65 kg complete; head, mast and base separate for stairs, lifts and doorways.
- 750 rpm / 28 N·m high-speed build, or 320 rpm / 60 N·m low-speed build.
- 25 m at 46 mm plus 91 mm overburden holes on 30 mm rods.
- Constant-speed motor keeps bit rpm stable as the hole loads up.
Applications
Typical Applications
Need a different configuration?
Mast length, winch capacity, chassis and voltage can be adapted. Tell us the hole you need to drill and we will shortlist two or three configurations.
Quick answers
CH-D20 specifications, answered
How deep can the CH-D20 drill?
25 m at 46 mm · 5 m at 91 mm. Depth capacity falls as the rod size grows, so plan against the figure for the tooling you intend to run.
What hole and rod sizes does the CH-D20 take?
46 – 91 mm (1.81 – 3.58 in).
What powers the CH-D20?
2.2 / 3.0 kW electric, 220 V or 380 V.
How large is the CH-D20 and what does it weigh?
Overall size 740 × 530 × 1,600 mm; weight 65 kg.
Quotation
Request a Quotation
Send your hole depth, core size and ground condition — we reply with a matched configuration, tooling list and lead time.
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