Core Drilling Rigs
CDR 500 — Core drill rig
Drill Diameter
75.7″ to 96.0″
Depth
200–500 m
CDR 500 — Core drill rig (NQ/HQ)
Built for deeper exploration and geotechnical programmes, the CDR 500 pairs a diesel powerpack with a high-strength mast (7,800 kgf pull-up, 4,700 kgf pull-down) and a versatile rotary head (160–1000 rpm, 40–250 kg·m). It delivers consistent core recovery up to 500 m in NQ and 300 m in HQ, maintaining steady penetration across mixed formations with reliable, field-ready operation.
Product Specifications
Why KLR Universal
- 40+ years of expertise
- Industry leader
- Trusted in 60 countries
- Excellent after-sales support
| Parameter | Value |
|---|---|
| Hole diameter | NQ: 75.7 mm HQ: 96.0 mm |
| Rated drilling depth | NQ: 500 m HQ: 300 m (overall capability varies by formation, compressor, and drill string; model range 200–400 m) |
| Prime mover | Diesel engine |
| Mast | Max pull-up force: 7,800 kgf Max pull-down force: 4,700 kgf |
| Rotary head | Speed range: 160–1000 rpm Max torque: 40–250 kg·m |
| Air compressor (compatible options) | Atlas Copco / ELGI / as per request — Capacity: 750–1250 cfm @ 250–350 psi |