Adapters can be used to adapt drill rods with different types of threads, or connected to the drill powerhead to protect its thread.
Adapters can be used to adapt drill rods with different types of thread, or connected to the drill powerhead to protect its thread.
It seems there might be a slight misunderstanding in the query regarding “DTH Adapter BOX to BOX PIN to PIN.” Typically, an adapter connects a “box” to a “pin” or vice-versa to create a transition. An adapter that is “BOX to BOX” or “PIN to PIN” would specifically be designed to connect two female ends or two male ends, respectively, which is less common as a direct “adapter” without an intervening component, but sometimes refers to specific thread saver subs.
However, based on the provided features which are common for all high-quality DTH adapters used for connection, here’s a description focusing on a versatile DTH adapter designed for robust connections within the drill string:
A DTH Adapter, whether it facilitates a BOX to BOX or PIN to PIN connection for specific tooling, or the more common BOX to PIN transition, is a crucial component engineered for robust performance in drilling operations. Its construction from premium alloy steel, combined with precise CNC manufacturing, ensures exceptional stability and reliability, allowing it to withstand the rigorous demands of percussion and rotation.
The threads undergo a specialized carburizing process, significantly increasing their surface hardness for enhanced durability and prolonged lifespan, resisting wear even under constant stress. Furthermore, these adapters are available in various configurations to meet diverse drilling requirements and ensure compatibility across different drill string components.
An “adapter” typically facilitates a connection between two dissimilar components. While “BOX to BOX” and “PIN to PIN” are thread configurations, direct “DTH Adapters” with only these two ends are usually referred to as “subs” or “coupling sleeves” that connect two similar ends (e.g., two box-ended drill pipes).
However, in the context of DTH drilling, if such adapters exist, their applications would universally revolve around modifying the drill string for specific needs.
API Threads | Wrench Flats | Lenght | Dia.(mm) | Weigh | ||
BOX / BOX | PIN / PIN | (mm) | (mm) | A | B | (kgs) |
2 3/8” REG – 2 3/8” REG | — | 65 | 200 | 77 | 77 | 4.5 |
2 3/8” REG – 2 3/8” REG | — | 65 | 200 | 90 | 90 | 5.8 |
2 3/8” REG – 2 3/8” IF | — | 65 | 220 | 90 | 90 | 6.0 |
2 3/8” REG – 2 7/8” REG | — | 65 | 225 | 90 | 90 | 6.2 |
2 3/8” REG – 2 7/8” IF | — | 65 | 220 | 90 | 90 | 6.0 |
2 3/8” IF – 3 1/2” REG | — | 95 | 210 | 90 | 115 | 10.5 |
2 3/8” IF – 2 3/8” IF | — | 65 | 230 | 90 | 90 | 6.2 |
2 3/8” IF – 6 1/2” REG | — | 171 | 260 | 180 | 114 | 21.0 |
2 3/8” IF – 7 1/2” REG | — | 180 | 270 | 205 | 120 | 28.2 |
3 1/2” REG – 2 3/8” IF | — | 95 | 200 | 115 | 90 | 9.0 |
3 1/2” REG – 2 7/8” REG | — | 95 | 230 | 115 | 90 | 10.0 |
3 1/2” REG – 2 7/8” IF | — | 95 | 220 | 115 | 115 | 10.0 |
3 1/2” REG – 3 1/2” REG | — | 95 | 220 | 115 | 115 | 10.5 |
3 1/2” REG – 4 1/2” REG | — | 120 | 240 | 115 | 146 | 18.0 |
— | 2 3/8” REG – 2 3/8” REG | 65 | 70 | 90 | 90 | 5.0 |
— | 2 3/8” REG – 3 1/2” REG | 95 | 97 | 90 | 115 | 9.0 |
— | 3 1/2” REG – 3 1/2” REG | 95 | 90 | 115 | 115 | 10.0 |