24-Inch DTH Hammers
Bit Range
24″–34″
(610–864 mm)
IMPACT FREQUENCY
UP TO 1050 BPM
WORKING PRESSURE
100-200 PSI
(7-14 BAR)
SHANK SUPPORT
N240
Why Drill King?
Powerful Impacts
The DK-240 features a massive 1150 lb piston that delivers powerful, high-energy blows for reliable penetration in hard rock.
Custom Bits
Whether it’s a new gage diameter, face profile, button layout, or something else entirely, Drill King provides quick turnaround custom bits.
Breakout Rings
The DK-240 is assembled with breakout rings ensuring easy disassembly even in high-torque applications
Massive Flushing Capability
The DK-240 features an adjustable choke that enables up to 2500 CFM of additional air to improve cutting evacuation in large holes
Maximized Uptime
All Drill King hammers support field servicing through our repair and rebuild kits, so the hammer never leaves the jobsite.
Extended Component Life
Premium alloys and wear-resistant surface treatments extend tool life and reduce operating cost.
Technical Specifications
HADK- 240
Drill King's 24'' Air Hammer with a Hex 240 top sub connection and cylisderless internal design, built for the largrest mining and querrying bores.
Top Sub Connection
HEX240
8-⅝ API PIN
Eff. Length
73.7 in / 1872 mm
OD
20.9 in / 530 mm
Hammer Weight
5705 lbs / 2588 kg
| No | Part Name | Qty | Part Number |
|---|---|---|---|
| 1 | Top Sub | 1 | HPDK24002 |
| 2 | Top Sub O-Ring | 1 | HPDK-24003 |
| 3 | Washer Top Sub | 2 | HPDK-24004 |
| 4 | Check Valve | 1 | HPDK-24007 |
| 5 | C.V. Spring | 1 | HPDK-24009 |
| 6 | Spacer Ring | 1 | HPDK-24005 |
| 7 | Disk Spring | 2 | HPDK-24006 |
| 8 | Air Distributor | 1 | HPDK-24010 |
| 9 | Air Distributor O Ring | 1 | HPDK-24011 |
| 10 | Cylinder | 1 | HPDK-24012 |
| 11 | Piston | 1 | HPDK-24014 |
| 12 | Wear Sleeve | 1 | HPDK-24001 |
| 13 | Bearing | 1 | HPDK-24020 |
| 14 | Stop Ring | 1 | HPDK-24017 |
| 15 | Bit Ret. Ring | 1 | HPDK-24018 |
| 16 | Bit Ret. Ring O-Ring | 1 | HPDK-24018 |
| 17 | Washer Drive Sub | 1 | HPDK-24021 |
| 18 | Drive Chuck | 1 | HPDK-24022 |
| Sealkit (Items 2, 9, 16) | 1 | HPDK-240SEALKIT | |
| Complete Hammer | 1 | HADK-240 | |
| Top Sub Connection | HEX 240 |
| Eff. Length (in / mm) | 73.7 / 1872 |
| OD Range (in / mm) | 20.9 / 530 |
| Hammer Weight (lbs / kg) | 5705 / 2588 |
| Piston Weight (lbs / kg) | 1150 / 523 |
| Working Pressure (PSI / Bar) | 100-200 / 6.8-13.8 |
| Application Bit (in / mm) | 24-34 / 610-864 |
| Rotation Speed (RPM) | 5-15 |
| Make-Up Torque (lb·Ft / N·m) | 12000 / 16272 |
| Rotation Torque (lb·Ft / N·m) | 20000 / 27120 |
Exploded View — HADK-240 (N240)
