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DTH Adapter BOX to BOX PIN to PIN

Adapters can be used to adapt drill rods with different types of threads, or connected to the drill powerhead to protect its thread.

Description

SINODRILLS DTH Adapter BOX to BOX PIN to PIN

Adapters can be used to adapt drill rods with different types of thread, or connected to the drill powerhead to protect its thread.

Features of DTH Adapter BOX to BOX PIN to PIN

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.

  • Good stability and reliability granted by premium alloy steel material and fine CNC manufacturing process: Ensures the adapter’s structural integrity and consistent performance under high stress, vibration, and impact loads, preventing premature failure.
  • The thread is carburizing-processed to promote its surface hardness, thus granting better durability: This heat treatment dramatically increases the wear resistance of the threads, extending the adapter’s lifespan and maintaining secure connections even after repeated make-up and break-out cycles.
  • Various types of adapters for various needs: A broad range of designs and thread configurations are available to accommodate different drill rig specifications, DTH hammer models, drill rod types, and specialized tooling requirements, offering maximum versatility.

Applications of DTH Adapter BOX to BOX PIN to PIN

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.

  • Connecting Components with Identical Ends: A “BOX to BOX” adapter would allow two drill rods or tools with only male (PIN) threads to be joined, while a “PIN to PIN” adapter would connect two components that both have female (BOX) threads. This is useful for building up specialized tool strings or correcting thread direction.
  • Thread Protection (as a Sacrificial Sub): In certain scenarios, a “BOX to BOX” or “PIN to PIN” sub might be used as a sacrificial component to protect the more expensive threads of other drilling equipment. For example, a “BOX to BOX” sub could protect the box end of a drill pipe when connecting to another box-ended tool, absorbing wear and tear.
  • Modifying Drill String Length: While less common than using standard drill rods, these specific adapters could be used in very confined spaces or for fine-tuning the length of a drill string for a specific drilling depth or machine setup.
  • Specialized Tool Integration: In niche applications, custom tools might have unconventional thread configurations, and a “BOX to BOX” or “PIN to PIN” adapter would be necessary to integrate them into a standard DTH drill string.

Parameters

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

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