Mining & Quarrying Series

EA-20|30 — Down-the-Hole Drill

Name: EA 20|30
Brand: KLR Universal
Rating: 5 (4 reviews)

Drill Diameter4″ to 16″

Depth30m

Excavator-attached DTH drilling

Built on a 20–30-ton excavator, the EA-20|30 delivers reliable DTH drilling with single-pass efficiency and optional dust suppression for quarrying, mining and construction.

Parameter	Value
Hole diameter	4″–16″ (recommended range 5″–6-3/4″; other sizes on request)
Rated drilling depth	Up to 200 m (single-pass 6 m standard; 9 m optional; overall depth depends on formation, compressor, and drill string)
Carrier	Excavator — Make options: Sany / Tata Hitachi / Volvo / Hyundai (e.g., SY215 / EX215LC) or as per customer request
Carrier range	20–30 ton
Prime mover	Excavator engine
Formations	Soft / hard / unconsolidated / alluvial
Mast	Max pull-up force: 5,200 kgf Max pull-down force: 2,700 kgf
Rotary head	Max speed: 0–250 rpm Max torque: 200 kg·m Optional head: 0–200 rpm, 250 kg·m
Rod handling	6 m rods (standard), 9 m rods (optional)
Options	Automatic rod changer; dust collector or water injection
Air compressor (compatible options)	Atlas Copco / ELGI / as per request — Capacity: 750–1250 cfm @ 250–350 psi
Controls & mounting	Excavator-mounted package with integrated controls; skid options available on request