Down-The-Hole Drilling Equipment
From drilling 2 inch quality holes to 32 inch quality holes, our comprehensive services can help your business thrive.
BR2 & BR3 Button Bit and Hammer
A smaller-hole series often used for lower air-pressure, Good for quarry or water-well holes in less demanding formations
Panther Button Bit and Hammer
A mid-sized shank type, used where moderate air pressure but high durability is needed.
Digger Button Bit and Hammer
The workhorse of the Indian rock drilling industry. At DRT you can get the best performing bit in the market at very reasonable rates. Available immediately for delivery.
Mission Button Bit and Hammer
This series uses a shorter shank with deep spline engagement & improving energy transfer. Excellent air efficiency and fast flushing. Particularly good for medium to hard formations where penetration rate and straightness matter.
SD Button Bit and Hammer
The SD (Super Dominator) series known for robust construction and long service life. Thick shank shoulder and heavy-duty splines. Superior fatigue resistance in abrasive, high-impact rock. Excellent bit stability and low risk of spline wear.
DHD Button Bit and Hammer
A high-pressure, heavy-duty shank type used for larger diameter holes and tougher rock. Designed for demanding applications – larger diameters, higher stresses, deeper holes, very abrasive or hard rock.
QL Button Bit and Hammer
QL” stands for “Quick-Lok”, featuring an improved interlocking shank system for faster bit changes and better hammer alignment. Reduced internal wear between bit and chuck. Excellent in deep-hole drilling and high-pressure applications where alignment and efficiency are critical.
RK Button Bit and Hammer
Designed to drill large diameter holes at low cost, Hole range starts from 9 inches to 24 inches. Widely used all over India for Piling holes, Solar foundations, Metro rail foundation applications.
NUMA Button Bit and Hammer
A high-energy, high-pressure DTH bit system engineered for large-diameter, deep, and demanding drilling. It prioritizes maximum energy transfer, fast flushing, and superior hole straightness. Built for high-pressure hammers (25–35 bar) and large diameters (8″–48″) — one of the most robust series available.
ODEX Eccentric Drilling System
Engineered for drilling through loose, overburden, or unconsolidated formations where a conventional DTH bit would collapse the hole. It combines a pilot bit and eccentric reamer wing that drills a larger hole than the casing, allowing simultaneous drilling and casing advancement. Available in sizes from 3 ½” to 12”. We can also machine the shank to suit whichever hammer you are using.
ODEX Symmetric Drilling System
The Symmetric (also called Concentric or Symmetrix) system, is designed for drilling and casing through overburden into bedrock with perfect concentric alignment. It uses a central pilot bit and concentric ring bit that drill a hole exactly matching the casing outer diameter, ensuring straight, stable, and full-depth casing advancement.