Products Description
DTH Adapter BOX to PIN plays a vital role in adapting drill rods with distinct thread specifications.It enables seamless connection between drill rods, while safeguarding the threads of your drill powerhead and ensuring smooth transitions across different thread types. It optimizes drilling operations, enhancing overall durability and delivering reliable performance throughout the workflow.
Key Features
As a critical part of drilling systems, the DTH Adapter BOX to PIN is engineered to link the drill string to the DTH hammer, facilitating efficient transmission of power during operation. It is designed to deliver exceptional performance and an extended service life, meeting the rigorous demands of drilling environments.
- Premium Alloy Steel & Precision CNC Machining: High-quality alloy steel is selected as the base material, paired with refined CNC manufacturing processes. This combination ensures the adapter boasts excellent stability and dependability, enabling it to withstand high stresses and vibrations that are inherent to DTH drilling operations. The material's inherent strength and the precision of CNC machining work together to maintain structural integrity and consistent performance in harsh conditions.
- Carburized Thread for Enhanced Durability: The adapter's threads undergo professional carburizing treatment, which significantly boosts surface hardness. This specialized heat treatment enhances wear resistance and prolongs the thread's operational lifespan, preventing early failure caused by abrasion and fatigue from repeated connection and disconnection cycles.
- Diverse Specifications for Versatile Needs: Manufacturers provide a comprehensive range of DTH Adapter BOX to PIN models, which are tailored to match different drill rig specifications, hammer types, and drilling application scenarios. This wide variety ensures compatibility and optimal performance across diverse drilling setups and geological conditions, meeting the unique requirements of various projects.






Application Scenarios
The DTH Adapter BOX to PIN is a highly versatile component, widely utilized in various drilling projects that employ Down-The-Hole (DTH) hammers. Its primary function is to establish a robust and secure connection between the DTH hammer and drill rods, ensuring efficient transfer of percussive energy and rotational force to the drill bit. This makes it an indispensable component across multiple industries and drilling scenarios.
- Mining & Quarrying: It is essential for blast hole drilling, mineral exploration, and rock consolidation works, enabling effective penetration even in hard rock formations. Its robust design ensures stable performance in the demanding conditions of mining and quarrying operations.
- Water Well Drilling: This adapter is crucial for drilling boreholes used for water extraction. It supports deep and efficient drilling across various ground conditions, ensuring the smooth progress of water well projects for agricultural, industrial, and residential use.
- Construction & Infrastructure: It is widely applied in piling, foundation drilling, and ground anchoring projects. The adapter provides stable and precise boreholes, which are essential for structural support in construction projects such as high-rise buildings, bridges, and roads.
- Geotechnical & Exploration Drilling: Utilized in site investigation, mineral prospecting, and environmental sampling tasks. It enables accurate data collection from diverse geological strata, supporting reliable geological analysis and resource evaluation.




Why Choose Our PIN to BOX DTH Sub Adapter
For drilling professionals, our DTH Adapter BOX to PIN stands out as an excellent choice due to its high-quality construction and superior performance attributes. Crafted from premium alloy steel via refined CNC manufacturing 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 acts as a cost-effective "saver sub" to protect more expensive drilling components from premature wear and tear.
Key reasons to select DTH Adapter BOX to PIN include:
- Robust & Durable Construction: Manufactured from high-quality heat-treated alloy steel, the adapters possess superior strength and toughness to handle the most demanding drilling applications. This robust design allows them to withstand intense drilling stresses and maintain performance in harsh environments, reducing the frequency of replacements and lowering operational costs.
- Precision-Engineered Threads: Threads are fabricated using advanced CNC machining technology and undergo carburizing treatment. This meticulous manufacturing process ensures excellent thread joint integrity and high accuracy, which is critical for establishing secure and reliable connections throughout the entire drill string.
- Extensive Compatibility: We offer a broad range of adapter sizes and API thread types, including API REG and API IF. This extensive product lineup ensures that a suitable Box to Pin adapter is available for connecting diverse drill rods and other drilling tools, providing versatility for various drilling operations.
Product Specification
|
Thread adapter |
Thread |
D |
L |
Weight |
|
|
A |
B |
[mm] |
[mm] |
[kg] |
|
|
|
GG2″ Box |
RD50x1/6" Pin |
70 |
200 |
2.8 |
|
2 3/8″ API REG Box |
RD 50 x 1/6″ Pin |
76 |
210 |
3.5 |
|
|
RD50x1/6″ Box |
RD50x1/6" Pin |
76.1 |
157 |
2.8 |
|
|
RD50x1/6″ Box |
2 3/8″ API REG Pin |
76.1 |
188 |
4.6 |
|
|
RD50x1/6″ Box |
RD50x1/6″ Pin |
70.6 |
180 |
3.5 |
|
|
2 3/8″ API REG Box |
H76 61×1/5″ Pin |
76 |
180 |
3.3 |
|
|
2 3/8″ API REG Box |
2 3/8″ API REG Pin |
76 |
225 |
4.1 |
|
|
GG2″ Box |
2 3/8″ API REG Pin |
76 |
235 |
4.2 |
|
|
2 3/8″ API REG Box |
GG2″ Pin |
76 |
237 |
4.6 |
|
|
2 3/8″ API REG Box |
2 3/8″ API IF Pin |
88 |
216 |
6 |
|
|
2 3/8″ API REG Box |
2 3/8″ API REG Pin |
88 |
140 |
6 |
|
|
3 1/2″ API REG Box |
2 7/8″ API REG Pin |
115 |
225 |
10.5 |
|
|
3 1/2″ API REG Box |
3 1/2″ API REG Pin |
114 |
400 |
10.5 |
|
|
3 1/2″ API REG Box |
2 3/8″ API REG Pin |
115 |
236 |
9.3 |
|
|
API 3 1/2″ Reg |
CUBEX #28 |
127 |
132 |
11 |
|
|
API 3 1/2″ Reg |
BECO 3 1/2″ |
127 |
228 |
20 |
|
|
API 3 1/2″ Reg |
BECO 3 1/2″ |
127 |
228 |
20 |
|
|
API 3 1/2″ Reg |
BECO 3 1/2″ |
127 |
410 |
36 |
|
|
API 3 1/2″ Reg |
BECO 3 1/2″ |
127 |
609 |
55 |
|
|
BECO 3″ |
API 3 1/2″ Reg |
127 |
228 |
19 |
|
|
API 3 1/2″ Reg |
DIBH 3 1/8″ |
127 |
260 |
21 |
|
|
DIBH 3 1/8″ |
DIBH 3 1/8″ |
127 |
260 |
15 |
|
|
API 4 1/2″ Reg |
BECO 3 1/2″ |
140 |
228 |
21 |
|
|
API 3 1/2″ Reg |
API 4 1/2″ Reg |
146 |
132 |
17 |
|
|
API 3 1/2″ Reg |
API 4″ IF |
150 |
280 |
37 |
|
|
BECO 3 1/2″ |
API 3 1/2″ Reg |
164 |
311 |
33 |
|
|
CUBEX #24 |
API 4 1/2″ Reg |
164 |
310 |
24 |
|
|
CUBEX #28 |
API 4 1/2″ Reg |
164 |
310 |
26 |
|
|
API 3 1/2″ Reg |
API 5 1/2″ Reg |
171 |
406 |
42 |
|
|
API 3 1/2″ Reg |
API 5 1/2″ Reg |
171 |
406 |
43 |
|
|
API 3 1/2″ Reg |
API 5 1/2″ Reg |
171 |
406 |
45 |
|
Why choose us?
At KAT Drilling Tools, we stand out as your trusted drill tool partner for core advantages that deliver real value:
1. One-Stop Drill Tool Supply
2. Uncompromising Quality
3. Competitive Cost-Effectiveness
4. Professional Technical Support
5. End-to-End Service
6. Global Reliability
7. Trusted Long-Term Partnership
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