Core Barrel with Roller Bits

Core Barrel with Roller Bits

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Description

The Core Barrel with Roller Bits is a specialized drilling tool engineered for penetrating extremely hard rock formations, high-strength bedrock, and abrasive geological conditions. Equipped with heavy-duty roller bits, the tool crushes and fractures rock efficiently, delivering superior drilling performance where conventional cutting tools become ineffective.
Manufactured from high-strength wear-resistant steel, the core barrel provides exceptional durability, stability, and drilling accuracy in demanding foundation and piling projects. Its robust design ensures efficient core breaking, reduced tool wear, and extended service life in challenging ground conditions.

Specifications

Product TypeCore Barrel with Roller Bits
ApplicationHard Rock Drilling & Foundation Piling
Drilling Diameter600 mm – 3000 mm (Custom Sizes Available)
Suitable Ground ConditionsHard Rock, Bedrock, Granite, Basalt, Limestone and Abrasive Formations
Cutting SystemTungsten Carbide Roller Bits
Rock Strength CapacityUp to 200 MPa Compressive Strength
Core Barrel TypeHeavy-Duty Rock Coring Barrel
Kelly Box Options130×130 mm, 150×150 mm, 200×200 mm, 250×250 mm
MaterialHigh-Strength Wear-Resistant Steel
Wear ProtectionHard Facing, Wear Strips and Tungsten Protection
CompatibilityBauer, Soilmec, Liebherr, IMT and Other Rotary Drilling Rigs
CustomizationDiameter, Barrel Height, Roller Bit Configuration and Kelly Box Size Available

Product Parameters

Dia. (mm)Shell Dia. (mm)Shell Length (mm)Shell Thickness (mm)Teeth Qty (Pcs)Weight (kg)
600520120020+404550
700600120020+404612
800700120020+406734
900800120020+406794
1000900120020+408906
11001000120020+4081006
12001100120020+4081089
13001200120020+40101175
14001300120020+40121327
15001400120020+40121387
16001500120020+40141522
17001600100020+40161831
18001700100020+40161886
2000190080020+40181991
2200210080020+40182162
2500240080020+40202684

Note: Other sizes can be customized.

Features

  • Heavy-duty roller bits designed for extreme rock formations.
  • High penetration rate in hard and abrasive ground conditions.
  • Reinforced barrel structure for maximum durability.
  • Tungsten carbide roller cutters for extended wear life.
  • Spiral wear protection strips to reduce abrasion.
  • Efficient rock crushing and core breaking performance.
  • Optimized design for stable and accurate drilling.
  • Compatible with major rotary drilling rig brands.
  • Custom-built configurations available for specific projects.

Benefits

  • Superior performance in rock formations exceeding 100 MPa strength.
  • Faster drilling compared to conventional bullet-tooth tools.
  • Reduced tool wear and maintenance costs.
  • Longer service life in highly abrasive environments.
  • Improved drilling efficiency and productivity.
  • Reduced downtime through durable roller-bit technology.
  • Enhanced borehole accuracy and stability.
  • Ideal for deep foundation, bridge, marine, and infrastructure projects.

Gallery

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