SP Series High Air Pressure DTH Hammer for Water Well Drilling and DTH Drilling

The SP Series High Air Pressure DTH Hammer is designed for efficient and reliable down-the-hole drilling performance in medium to deep borehole applications. It is widely used in water well drilling, mining exploration, quarrying, and foundation engineering projects.

Manufactured with high-strength alloy steel and precision-machined internal components, the hammer delivers stable impact energy and excellent wear resistance under high-pressure air conditions. Its optimized air distribution system ensures faster penetration rates and lower air consumption, improving overall drilling efficiency.

The SP series is compatible with standard DTH drill bits ranging from 115mm to 165mm, with commonly used sizes including 138mm, 146mm, and 152mm. It works with standard DTH drill rods and can be matched with high-pressure air compressors (typically 1.7–3.5 MPa).

Depending on drilling conditions and equipment configuration, the SP DTH hammer can achieve drilling depths of up to 100–400 meters, making it suitable for a wide range of geological formations, from soft to hard rock layers.

With its stable performance, long service life, and high penetration efficiency, the SP Series is an ideal choice for professional drilling contractors seeking reliable and cost-effective drilling solutions.

To start cooperation: send your inquiry → get a tailored technical solution & quotation → confirm order → production & testing → fast shipment → long-term spare parts & technical support. We respond quickly and support you throughout the whole project.

1. Water Well Drilling

Used for residential, agricultural, industrial, and municipal water supply wells. Provides efficient drilling performance in deep boreholes and hard rock formations.

2. Mining Exploration

Suitable for ore exploration and blast hole drilling. Delivers high penetration rate and stable operation in hard rock conditions.

3. Quarrying Operations

Used in granite, limestone, and other hard rock quarry drilling for blasting holes. Ensures continuous and efficient drilling performance.

4. Construction & Foundation Engineering

Applied in infrastructure projects such as slope stabilization, anchor drilling, and foundation support systems under complex ground conditions.

5. Geothermal Drilling

Suitable for geothermal energy drilling projects requiring deep and stable boreholes with high efficiency.

Technical Matching Guide:

Recommended Bit Diameter: 115mm – 165mm

Common Sizes: 138mm / 146mm / 152mm

Compatible Drill Rod: Standard DTH drill rods (API 2 3/8", 3 1/2")

Working Pressure: 1.7 – 3.5 MPa

Recommended Air Compressor: High pressure screw air compressor

Drilling Depth: 100 – 400 meters (depending on conditions)

High impact energy for faster penetration rate

Optimized air distribution system for lower air consumption

Heat-treated alloy steel body for long service life

Stable performance in medium to hard rock formations

Easy maintenance and simple structure design

Compatible with standard DTH drilling systems

Suitable for deep borehole drilling operations

Q1: What type of drilling projects is the SP hammer suitable for?

It is suitable for water well drilling, mining exploration, quarry blasting, construction foundation, and geothermal drilling projects.

Q2: What drill bit sizes are recommended?

The recommended DTH bit sizes range from 115mm to 165mm, with 138mm, 146mm, and 152mm being the most commonly used sizes.

Q3: What air compressor is required?

A high-pressure screw air compressor with a working pressure of 1.7–3.5 MPa is recommended for optimal performance.

Q4: How deep can it drill?

The SP Series can reach drilling depths of approximately 100–400 meters, depending on rock conditions and equipment configuration.

Q5: Can it be used with existing drilling rigs?

Yes, it is compatible with standard DTH drilling systems and can be easily integrated into most conventional rigs.