High Strength Alloy Steel 89mm FM DTH Adapters And Drilling Wrenches With Precision Machining For Mining Well Drilling

We offer standard 89mm FM DTH adapter subs with precise dimensional and thread standards to match mainstream drilling equipment worldwide, ensuring perfect compatibility and assembly accuracy :

Our factory supplies a complete series of custom DTH drill rod adapters to solve the connection problem of different diameter drill rods and casings. All adapter subs are forged with high quality alloy steel, featuring high hardness, strong torsion resistance and excellent wear resistance. We support multiple thread types and connection structures to meet diversified drilling matching needs.

• Box to Box (Female to Female) Adapter
• Box to Pin (Female to Male) Adapter
• Pin to Pin (Male to Male) Adapter

• Common Tool Joint Threads : NC26, NC31, NC38, NC40, NC46, NC50
• Tool Joint Standards : NC, IF, FH, XH, REG
• Outer Diameter Range : 57mm to 168mm (custom sizes available)
• Industrial Grade Materials : 40Cr, 45Mn2, 35CrMo, 4137H alloy steel

Our DTH drilling tool wrenches are professional supporting tools for down-the-hole drilling systems, equipped with standard threaded connection structures. They can be stably connected with drill pipes and DTH drill bits, providing reliable fixing support and stable rotational torque during high intensity drilling work. These heavy duty wrenches are essential for daily drilling operations, equipment disassembly, maintenance and overhaul, effectively improving construction efficiency and reducing equipment failure rates in engineering projects.

Air power transmission efficiency directly determines the overall working performance of DTH drilling systems. HENGLONG high performance DTH drilling tools adopt precision machining technology and strict industrial production standards, maximizing the transmission of compressed air power to DTH hammers and drill bits.

By optimizing the internal structural design, our DTH adapters and supporting tools greatly enhance impact energy transmission efficiency for rock breaking. Combined with high strength alloy material technology and humanized structural design that balances high productivity, operational simplicity and durable performance, our full range of DTH drilling accessories deliver outstanding working reliability, stable continuous operation capability and low long-term operating costs for various drilling projects.

Our versatile DTH connection adapters and drilling wrenches are widely used in multiple drilling and engineering fields, suitable for complex working conditions such as hard rock, deep stratum and harsh construction environments : 

• Water Well Drilling : Professional connection accessories for civilian and industrial water well exploitation
• Geological Exploration Drilling : Adapt to stratum investigation and mineral resource prospecting drilling
• Tunnel Excavation Engineering : Support blasting hole drilling and foundation excavation construction
• Mining Operations : Ideal for underground mine drilling, equipment assembly and daily maintenance

With complete specifications, reliable quality and strong compatibility, our DTH adapters and drilling wrenches are ideal replacement and matching accessories for global drilling engineering contractors, mining enterprises and drilling equipment suppliers.