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10 Tooth T38 Thread Retrac Button Bit Drilling For Medium Hard Hard Rock Formations

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9 Tooth 65mm T38 Thread Button Bit For Heavy Duty Rock Drilling / Mining

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HLDRILL Coal Mine Twist Drill Rod Customized For Coal Seam Drilling

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1030mm-1150mm Twist Drill Rod For Coal Mining / Tunnel Drilling

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About Us

HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self drilling anchor tools,coal mining tools and other drill tool accessories.

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Advanced automated equipment and a rigorous process control system. We can manufacture a wide range of rock drilling tools and mechanical pcs that exceed your requirements.

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Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

Cases

It is used in various scenarios

German Quarry: Customized T38 High-Strength Drill Rods Solve Breakage Problems in High-Torque Operations, Increasing Pro

German Quarry: Customized T38 High-Strength Drill Rods Solve Breakage Problems in High-Torque Operations, Increasing Pro

Spanish Quarry : 7°8-Tooth Ball-Tooth Drill Bit Increases Drilling Efficiency by 50%, Reduces Consumable Costs by 40%

Spanish Quarry : 7°8-Tooth Ball-Tooth Drill Bit Increases Drilling Efficiency by 50%, Reduces Consumable Costs by 40%

Performing rock drilling and excavation work in the tunnel

Performing rock drilling and excavation work in the tunnel

Latest News

03-09 2026

Structure Of Pneumatic Leg Rock Drill

Pneumatic leg rock drill,also known as pneumatic jackhammer,is a multifunctional tool widely used in various industries such as mining,construction and quarrying.It is mainly used for drilling holes in rock,concrete and other hard materials.The following is mainly the structure of the pneumatic leg ...

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03-10 2026

Difference Between Pilot Reaming Bit And Dome Reaming Bit

In top hammer drilling, dome reaming bits and pilot reaming bits serve specific functions in the drilling process. Here are the key differences in their functions and applications: pilot Reaming Bit: Function: The pilot reaming bit in top hammer drilling is primarily designed to create the initial ...

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03-12 2026

What are the common types of coal drill bits?

Coal drill is divided into dry type and wet type two,specifications: 28mm/30mm/32mm/42mm/43mm, etc. : drilling speed, drilling range is wide, saving time, labor, simple connection, durable and other advantages.The wind drill, also known as the drill head, has a font, column teeth, cross, horseshoe ...

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01-06 2026

Factors Affecting Blast Furnace Iron Yield And Iron Tapping Safety Regulations

Reasons for the low iron output of the blast furnace: The reason for the low iron output of the blast furnace may be slow iron tapping, unreasonable taphole depth and taphole tunnel. There are three reasons for the slow tapping of iron: (1) The particle size composition of blast furnace fuel (coke) ...

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01-07 2026

How To Use Self-drilling Hollow Anchor Bolts To Deal WithTunnel Roof Collapse

The primary task of tunnel construction is to ensure stable and safe operation in the later stages, which relies heavily on handling various issues during construction. Tunnel roof collapse is a serious problem, mainly caused by factors such as excessively high groundwater content and loose, ...

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01-25 2026

T38 Spline Shank Adapter: Technical Specifications, Material Selection, and Best Application Practices

The T38 spline shank adapter is a critical component of heavy-duty rock drilling rigs, used to transmit high torque and impact energy between the rock drilling piston and the drill rod. As a professional manufacturer of rock drilling tools, Yanggu Henglong Machinery Equipment Co., Ltd. has optimized ...

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