Center Rock
DTH Hammers and Bits
CENTER ROCK offers one of the most complete lines of DTH drills and downhole bits ranging from 3.5” – 48” (89-1219mm) which are designed for peak performance in all rock drilling applications including but not limited to; foundation & geotechnical drilling, blast-hole drilling in quarries & mines, waterwell & geothermal boreholes, oil & gas underbalanced drilling, horizontal directional drilling, and utility transmission & distribution rock sockets.
Key Features of DTH Hammers from Center Rock
Center hammers and drilling products boast a formidable range of down-the-hole (DTH) hammers, with a wide suite of drills and downhole bits spanning 3.5”– 48” (89 –1219mm). Our DTH hammer drilling expertise shines in various terrains, including the meticulous demands of foundation & geotechnical drilling, the rigorous intensity of blasthole quarry & mine drilling, and the precision of waterwell & geothermal boreholes. CENTER ROCK DTH hammer systems have been utilized in some of the world’s most demanding drilling operations, including the Chilean Mine Rescue drilling project.
Additionally, our DTH hammers and DTH hammer bits are essential in the precision required for oil & gas underbalanced operations, the intricacies of horizontal directional drilling, and the challenges of utility transmission & distribution rock sockets.
High Penetration Rate – Our DTH hammer drill models are designed to drill rapidly through even the toughest materials.
Durability – Center Rock DTH hammers are made with high-quality materials and designed to withstand tough drilling conditions, extending tool life.
Air Efficiency – Optimized air cycles in DTH hammers maximize performance while minimizing energy consumption.
Shock Resistance – Built to endure high impact, our downhole hammer drills prevent premature wear or damage.
Adaptable Sizing – Available in various sizes, these hammers cater to a range of drilling requirements, from small hole hammer projects to large boreholes.
Easy Bit Replacement – Our DTH hammer bits feature a simplified design for quick and efficient changes.
Streamlined Design – Our rock drill hammers boast a sleek, effective design that reduces unnecessary weight while maximizing drilling power.
DTH Hammer Size | Typical Hole Diameter | Recommended Air Pressure | Common Applications |
|---|---|---|---|
3.5″ DTH Hammer | 3.5″–4.5″ | Low to Medium Pressure | Water well drilling, shallow geothermal drilling, utility work |
4″ DTH Hammer | 4″–5″ | Medium Pressure | Water wells, foundation drilling, construction projects |
5″ DTH Hammer | 5″–6.5″ | Medium to High Pressure | Quarry drilling, geothermal boreholes, general rock drilling |
6″ DTH Hammer | 6″–8″ | High Pressure | Mining, blast hole drilling, oil & gas applications |
8″ DTH Hammer | 8″–10″ | High Pressure | Large diameter water wells, quarry and mining operations |
10″–12″ DTH Hammer | 10″–12″ | High Pressure | Foundation drilling, geothermal, infrastructure drilling |
14″–24″ DTH Hammer | 14″–24″ | High Pressure / High Volume Air | Large bore foundation drilling, shaft drilling, oil & gas |
26″–48″ DTH Hammer | 26″–48″ | Specialized High Volume Air Systems | Raise boring, mine rescue drilling, large-scale infrastructure projects |
OUR PRODUCTS
Tools for All of Your Rock Drilling Requirements
CENTER ROCK
Frequently Asked Questions About DTH Hammers
Are there different types of DTH hammers?
Yes. Different DTH hammers are designed for specific drilling conditions, performance requirements, and applications. Selecting the right hammer type is critical for achieving optimal penetration rates, tool life, and overall drilling efficiency.
What is the difference between CR, RF, and RX series hammers?
CR Series
General purpose hammers designed for consistent and reliable performance across a wide range of drilling applications. Ideal for contractors looking for versatility.
RF Series (Rock Force)
Built for demanding drilling environments. These hammers offer increased durability and are designed to perform in challenging ground conditions.
RX Series (Rock Xtreme)
Engineered for high performance in hard rock formations. These hammers deliver higher penetration rates and improved efficiency in the toughest drilling conditions.
Are there DTH hammers for horizontal drilling?
Yes. Center Rock offers HDD hammers specifically engineered for horizontal directional drilling applications. These hammers are optimized for control, durability, and performance in horizontal drilling environments.
How do I know which DTH hammer is right for my application?
The correct hammer depends on several factors, including hole size, ground conditions, compressor capacity, and application type. Matching the hammer to these variables ensures better performance, reduced wear, and longer service life.
What size DTH hammer do I need?
The ideal DTH hammer size depends on your hole diameter, drilling depth, compressor capacity, and ground conditions. Smaller DTH hammers ranging from 3.5” to 5” are commonly used for water well and geothermal drilling, while larger hammers from 6” to 48” are utilized for mining, foundation, and large-diameter drilling applications.
How does a DTH hammer work?
A DTH hammer operates by using compressed air to drive a piston that repeatedly strikes the drill bit. This percussive action transfers energy directly to the rock face, allowing the down-the-hole hammer to drill efficiently through hard formations while compressed air removes cuttings from the borehole.
What is the difference between high and low pressure DTH hammers?
Low pressure DTH hammers typically operate with smaller compressors and are commonly used for shallow drilling applications. High pressure DTH hammers deliver greater penetration rates, improved efficiency, and better performance in deeper or harder rock formations commonly found in mining, oil & gas, and foundation drilling projects. borehole.
What industries use DTH hammers?
DTH hammers are widely used across mining, quarrying, water well drilling, geothermal drilling, foundation construction, oil & gas drilling, and horizontal directional drilling applications where hard rock penetration and drilling efficiency are critical.
What are the advantages of DTH hammer drilling?
DTH hammer drilling offers high penetration rates, straighter boreholes, efficient drilling in hard rock formations, reduced energy loss, and improved drilling consistency compared to many rotary drilling methods.
What DTH hammer sizes does CENTER ROCK offer?
Center Rock offers DTH hammers and down the hole drilling tools ranging from 3.5” to 48” to support applications from small water wells to large-scale mining and infrastructure drilling projects.