Products Description
DTH Adapter BOX to BOX plays an indispensable role in matching drilling tools with box-threaded connections on both ends. It facilitates smooth coupling between drill rods or drilling components with box-type threads, while protecting the thread structures of drill powerheads and enabling seamless adaptation among different box thread specifications. It optimizes the overall efficiency of drilling workflows, enhances component durability, and ensures consistent and reliable performance in long-term operations.
Key Features
As a core component in DTH drilling systems, the BOX to BOX adapter is engineered to connect drill strings, DTH hammers, or other drilling accessories-all featuring box-type threads-so as to achieve efficient transmission of rotational torque and percussive energy during drilling. It is designed to meet the harsh operating conditions of drilling projects, delivering excellent performance stability and an extended service lifecycle.
- High-Grade Alloy Steel & Advanced CNC Fabrication: The adapter is made from top-quality alloy steel as the base material, combined with sophisticated CNC machining technology. This configuration ensures outstanding structural stability and operational reliability, enabling the adapter to withstand high-pressure stresses and strong vibrations inherent in DTH drilling processes. The material's superior toughness and precision machining work in tandem to maintain structural integrity and consistent performance even in extreme working environments.
- Carburized Threads for Reinforced Durability: The thread surfaces of the adapter undergo professional carburizing heat treatment, which significantly enhances surface rigidity and wear resistance. This specialized treatment effectively prolongs the service life of the threads, preventing early failure due to friction, fatigue, and repeated coupling/decoupling cycles during daily operations.
- Comprehensive Specifications for Versatile Adaptation: We offer a full range of DTH Adapter BOX to BOX models, customized to match different drill rig configurations, DTH hammer types, and project-specific drilling requirements. This diverse product lineup ensures optimal compatibility and operational efficiency across various drilling setups and geological conditions, fulfilling the unique needs of different engineering scenarios.


Application Scenarios
The DTH Adapter BOX to BOX is a highly versatile drilling component, widely applied in various projects that utilize DTH hammer technology. Its primary function is to establish a secure and stable connection between box-threaded drilling tools, ensuring efficient transfer of percussive force and rotational power to the drill bit. This makes it a must-have component in multiple industries involving drilling operations.
Mining & Quarrying:
- Water Well Drilling
- Construction & Infrastructure
- Geotechnical & Exploration Drilling




Why Choose Our BOX to BOX DTH Sub Adapter
For drilling professionals and project managers, our DTH Adapter BOX to BOX stands out as a preferred choice due to its superior quality and excellent performance. Crafted from high-grade alloy steel via advanced CNC machining processes, these adapters deliver exceptional stability and reliability in demanding drilling environments. The carburized threads enhance wear resistance and extend service life, while the adapter also functions as a cost-effective "protective sub" to shield more expensive drilling components from premature damage.
Key reasons to select DTH Adapter BOX to BOX include:
- Sturdy & Long-Lasting Construction
- Precision-Machined Thread Interfaces
- Broad Compatibility
Product Specification
|
Thread adapter |
Thread |
D |
L |
Weight |
|
|
A |
B |
[mm] |
[mm] |
[kg] |
|
|
|
2 3/8″ API REG Box |
GG2″ Box |
76 |
238 |
4.6 |
|
2 3/8″ API REG Box |
2 3/8″ API REG Box |
76 |
240 |
4.8 |
|
|
3 1/2″ API REG Box |
2 3/8″ API REG Box |
115 |
210 |
10.5 |
|
Our Service
At KAT Drilling Tools, we deliver customer-centric solutions for mining, construction, exploration, and oil & gas sectors-covering the full drill tool lifecycle.
Customized Design & Manufacturing
Bespoke drill bits/rods tailored to your drilling conditions, compliant with API/ISO standards. Rapid prototyping and batch production available.
Quality Control & Testing
Rigorous raw material, in-process, and final performance inspections. Detailed quality reports for every batch.
Technical Consultation & Support
Expert advice on tool selection, on-site training, and real-time troubleshooting to minimize downtime.
After-Sales Maintenance & Repair
Cost-effective maintenance, professional repair, and fast spare parts supply to extend tool lifespan.
Logistics & Supply Chain
Flexible delivery (bulk/JIT/emergency), secure packaging, and full customs/documentation support for global trade.
Long-Term Partnership
Customized service packages, dedicated account management, and continuous optimization based on your feedback.
Hot Tags: box-box DTH sub adpater, China box-box DTH sub adpater manufacturers, suppliers, factory


