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Top Hammer Drilling

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Thread Button Bits

We supply all types of threaded button bits.

Parameters
  • Thread size: R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60;

  • Head diameters: 33mm ~ 152mm;

  • Face designs; flat face, drop center, uni-face;

Features
  • Alloy buttons are mounted into the drill bit, ensuring the bit good accuracy and durability;

  • Reliability ensured by premium drill bit materials and premium alloy button;

  • Different types designed for different drilling scenarios and rock conditions;

  • High speed and drilling efficiency;

  • Cost-effective, good performance with reasonable price.

Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

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Retract Thread Button Bits

Retract Threaded Button Bits

We provide all types of threaded button bits.

Parameters
  • Thread size: R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60;

  •  Head diameters: 51mm ~ 152mm;

  • Face designs; flat face, drop center, uni-face;

Features
  • Alloy buttons are mounted into the drill bit, ensuring the bit good accuracy and durability;

  • Reliability ensured by premium drill bit materials and premium alloy button;

  • Different types designed for different drilling scenarios and rock conditions;

  • High speed and drilling efficiency;

  • Cost-effective, good performance with reasonable price.

Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

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Threaded Cross Bits (X Bits)

Threaded cross bits or threaded X bits are usually used for very hard and abrasive rock formation.

Parameters
  • Thread size: R25, R28, R32, R38, T38

  • Head diameters: 35mm ~ 89mm;

Features
  • Alloy buttons are mounted into the drill bit, ensuring the bit good accuracy and durability;

  • Reliability ensured by premium drill bit materials and premium alloy button;

  • Different types designed for different drilling scenarios and rock conditions;

  • High speed and drilling efficiency;

  • Cost-effective, good performance with reasonable price.

Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

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Retract Thread Cross Bits

Retract thread cross bitRetract thread cross bits are usually used for very hard and abrasive rock formation.Thread size: R32, R35, R38, T38, T45, T51.Diameter: 38mm to 127mm….

 

Threaded cross bits or threaded X bits are usually used for very hard

and abrasive rock formation.

Parameters
  • Thread size: R38, T38

  • Head diameters: 64mm ~ 76mm;

Features
  • Alloy buttons are mounted into the drill bit, ensuring the bit good accuracy and durability;

  • Reliability ensured by premium drill bit materials and premium alloy button;

  • Different types designed for different drilling scenarios and rock conditions;

  • High speed and drilling efficiency;

  • Cost-effective, good performance with reasonable price.

Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

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Reamer Tools

Reaming drilling tools are used when a large diameter is needed to be reamed out after a pilot hole is drilled to a depth. We provide pilot reaming drilling tools, domed reaming button bits and adapter reaming button bits. Pilot reaming drilling tools consist of pilot adapters and reaming button bits; however, both domed reaming button bits and adapter reaming buttons bits are one-piece designed.

Parameters
  • Thread size: R25, R28, and R32.

  • Pilot adapter head diameter: 26mm to 40 mm.

  • Pilot bit degree: 6°, 12°

  • Reaming button bit diameter: 64mm to 102mm.

  • Reamer button bit degree: 6°, 12°

Features
  • Alloy buttons are mounted into the drill bit, ensuring the bit good accuracy and durability;

  • Reliability ensured by premium drill bit materials and premium alloy button;

  • Different types designed for different drilling scenarios and rock conditions;

  • High speed and drilling efficiency;

  • Cost-effective, good performance with reasonable price.

Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

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Pilot Bit
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Reamer Button Bits
 
 
 
 
 
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Thread Domed Button Bit

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R32 Thread Domed Button Bits

Domed Button Bits

As a reaming drilling tools, domed button bits are used when a large diameter is needed to be reamed out after a pilot holes is drilled to a depth.

Domed button bits as one of the reaming drilling tools are used when a large diameter is needed to be reamed out after a pilot hole is drilled to a depth.

Parameters
  • Thread size: R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, and T51.

  • Diameter: 76mm to 152mm.

Features
  • Alloy buttons are mounted into the drill bit, ensuring the bit good accuracy and durability;

  • Reliability ensured by premium drill bit materials and premium alloy button;

  • Different types designed for different drilling scenarios and rock conditions;

  • High speed and drilling efficiency;

  • Cost-effective, good performance with reasonable price.

Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

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Coupling Sleeves

Coupling is used for connecting shank adapter and extension drill rod together, or for connecting two extension rods together. Besides normal equal couplings, we also offer reducing couplings that are able for changing thread type and size. The couplings we offer can be applied for our top hammer drilling system, suitable for drilling duties in tunneling, construction, mining, quarrying, etc.

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Parameters
  • Thread type: R25, R28, R32, R38, T38, T45, T51

  • Diameter: 35mm, 40mm, 45mm, 55mm, 63mm, 66mm, 72mm, 76mm

  • Length: 150mm, 155mm, 170mm, 180mm , 180mm, 190mm, 210mm , 235mm

  • Coupling type: Semi-bridge, Full bridge, Adapter Coupling

Features
  • Premium steel as material, precision CNC for manufacturing, accuracy and reliability assured;

  • High transmission efficiency grants high drilling efficiency for the drilling system.

Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

 
 
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Shank Adapters

Shank adapter is designed to transmit power from rock drill piston to extension drill rod and finally to drill bit. When deploying, one side of shank adapter is connected to drill rod, while the

other side should be connected with coupling or extension drill. Shank adapter can be deployed for drilling duties in tunneling, construction, mining, quarrying, etc.

Parameters
  • Thread type: R25, R28, R32, R35, R38, T38, T45, T51, etc.

  • Diameter: 32mm-70mm

  • Length: 273mm-885mm

  • Applicable rock drill brand: Atlas Copco, Tamrock, Ingersoll Rand, Boart Longyear, Furukawa, Montabert, Soonsan, Everdigm, etc.

Features
  • Precision and reliability granted by premium material, fine CNC machining and heat treatment processes;

  • Carburizing process is applied to promote surface hardness, ensuring better wearing quality.

Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.

Hexagonal Drill Rods

Hexagonal drill rods are produced by CNC machining and advanced heat treatment on the base of the same steels as Sandvik

 
 
Drifting and Tunneling Rod / MF (Speed) Rod
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Parameters
  • ThrThread size: R22, R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, other.

  • Rod size: Hex.22, Hex.25, Hex.28, Hex.32, Hex.35

  • Length: 2100mm to 6095mm.

Features
  • Carburizing process is applied to promote surface hardness, thus grant better wearing quality and lifespan for the drill rods.

  • 23CrNi3Mo, which is in same league as Sandvik Sandbar 64, is applied as drill rod material.

  • Cost-effective, good performance with reasonable price.

  • Complete types of drill rod for various drilling scenarios.

Applications

Drilling duties in tunneling, construction, mining, quarrying, etc.

 

Round Extension Drill Rods

Made from the same steels as Sandvik, produced by CNC machining and advanced heat treatment.

Extension drill rod transmits power from rock drill piston to rock, one side of the rod is connected to coupling or shank adapter, while the other side is connected with threaded drill rod.

Parameters
  • Thread size: R32, R38, T38, T45, T51.

  • Rod size: Round 32, Round 39, Round 46, Round 52.

  • Length: 600mm to 6059mm.

  • Slot for wrench: with or without

Features
  • Carburizing process is applied to promote surface hardness, thus grant better wearing quality and lifespan for the drill rods.

  • 23CrNi3Mo, which is in same league as Sandvik Sandbar 64, is applied as drill rod material.

  • Cost-effective, good performance with reasonable price.

  • Complete types of drill rod for various drilling scenarios.

Applications

Drilling duties in tunneling, construction, mining, quarrying, etc.

 

 Fully Carburized Taper Drill Rods

Fully-carburized Taper Drill Rod is to increase the surface carbon content of the drill rod through the carburization craft, level up the surface hardness and the overall strength, and increase the service life of the taper drill rod. Compared with the conventional taper drill rod, Fully-carburized Taper Drill Rod is high in strength and good in abrasive resistance. Under the same industrial and mining, the life of fully-carburized taper drill rods is times of that of the common taper drill rods.

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Parameters
  • Taper degree: 4°46’, 6°, 7°, 11°, 12°

  • Shank specification: Hex.19mm, Hex. 22mm, Hex.25mm

Besides the regular drill rod length, our company can customize the product length according to the needs of the client.