Our Product
DTH Air Hammers from Drill King
The DK Hammer Series offers reliable, high-performance DTH Air Hammers for mining, construction, and water wells.
Featuring a simple, innovative design, they cover hole sizes up to 42″ with industry-standard compatibility.
DK20 (HABC-20)
Core Specifications
Bit Range
Compatible with standard bit diameters ranging from 2.75" to 3.5" (70–90mm).
Design Architecture
Built on a reliable BR2 design framework.
Operating Pressure
Functions effectively within a working pressure range of 100–250 PSI (6.9–17.2 Bar).
Performance Output
Delivers a high impact frequency of 979 to 1,548 blows per minute.
DK20 (HABC-20)
Key Business Benefits
Enhanced
Tool Life
Equipped with a hardened piston designed for extended service life in demanding conditions.
Cost-Effective Maintenance
To maximise uptime and reduce total cost of ownership, Repair & Rebuild kits are available for simplified, economical servicing.
Compact &
Portable
With a total weight of only 28.6 lbs (13 kg) and an effective length of 29.4 inches, this hammer is highly maneuverable for specialized projects.
Efficient
Air Consumption
Optimized for low-volume requirements, consuming between 27 CFM at 100 PSI and 105 CFM at 250 PSI.
Our Product
Technical Parameters for Operation
| Parameter | Value |
|---|---|
| Rotation Speed | 23 – 28 RPM |
| Make-Up Torque | 1,500 lb-Ft (2,034 N-m) |
| Rotation Torque | 350 lb-Ft (475 N-m) |
| Top Sub Connection | W+H Taper Pin (Optional RD50 Box) |
