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  • Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts
  • Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts
  • Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts
  • Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts
  • Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts
  • Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts
Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts

Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts

  • >= 1 Pieces
    $15,000

Customization:

Packaging（Min.Order: 1 pieces）
Name plate（Min.Order: 10 pieces）
Logo/graphic design（Min.Order: 10 pieces）
Compatible Brand（Min.Order: 1 pieces）
View product details

Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Heavy-Duty Drilling Support: The Q345B interlocking Kelly bar is designed to enhance stability and precision in rotary drilling rigs, enabling seamless extension/retraction for piling and drilling operations.
  • Multi-Brand Compatibility: Engineered to fit Liebherr, Zoomlion, Sany, and XCMG machinery, ensuring universal applicability across leading construction equipment brands.

Key features

  • 1. Material Technology

    • With Q345B high-strength steel construction and corrosion-resistant yellow coating, endure extreme drilling pressures and harsh environments. ~30% stronger than standard steel alloys*

  • 2. Performance Parameters

    • Precision-engineered interlocking segments ensure secure connections during high-torque drilling, reducing slippage risk by 40% compared to non-interlocking designs*

  • 3. Scenario Solutions

    • Compatible with 4+ leading brands (Liebherr, Zoomlion, Sany, XCMG), reducing downtime and integration costs. Ideal for large-scale construction and mining projects requiring seamless machinery integration*

  • 4. Certification Standards

    • Manufactured by Unicorn Drill, a trusted brand with 7+ years in heavy machinery parts. Complies with ISO 9001 quality management standards for construction equipment reliability*

  • 5. Customization Solution

    • Customizable dimensions and configurations to fit project-specific requirements, offering tailored solutions for diverse drilling applications. Available in 5+ standard sizes*

Product details

Factory Q345b Interlocking Kelly Bar Liebherr Piling Machine Rotary Drilling Rig Spare Parts Construction Machinery Parts

The Unicorn Drill Q345B Interlocking Kelly Bar is a robust spare part designed for Liebherr piling machines and rotary drilling rigs. Crafted from high-strength Q345B steel and compatible with leading brands like Zoomlion, Liebherr, Sany, and XCMG, this component ensures seamless integration into heavy-duty drilling operations. Its bright yellow finish enhances visibility and corrosion resistance, while the interlocking design guarantees stability during high-pressure cycles.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialQ345B high-strength steelHeavy-duty drilling and piling applications
CompatibilityLiebherr, Zoomlion, Sany, XCMGUniversal fit for major construction machinery brands
Corrosion ResistanceYellow epoxy-painted finishHarsh outdoor environments with exposure to moisture
DesignInterlocking mechanismSecure connection in rotary drilling rigs
Shelf Life1 year (stored in dry conditions)Long-term storage without performance loss

Customization guide

Adjustable parameters include length and diameter to meet project-specific requirements. For instance, customize the bar’s dimensions to fit non-standard drilling depths or adjust the interlocking groove depth for enhanced load-bearing capacity.

Get inspired

With its interlocking design and corrosion-resistant coating, the Q345B Kelly Bar is engineered to withstand the rigors of mining and construction. Whether extending drill bits in rocky terrain or stabilizing piling operations, this component ensures precision and durability.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material GradeQ345B steelQ345B + Ni-platedQ345B + Duplex coating
Pressure Rating350 bar400 bar (+14%)455 bar (+30%)*
Corrosion ResistanceEpoxy paintZinc coating (+20% life)Duplex stainless overlay

Supplier's note

  1. Technical Breakthroughs:

    • Q345B Steel: Exceeds standard yield strength by 25%, enabling heavier loads.
    • Duplex Coating (Pro): Combines corrosion resistance with abrasion tolerance, ideal for marine or acidic environments.
    • Interlocking Precision: Reduces misalignment by 40%, minimizing downtime.

  2. Version Selection Guide:

    • Base Model: Suitable for routine drilling in dry conditions (e.g., soil excavation).
    • Advanced Model: Optimal for medium-duty mining where moderate corrosion is expected.
    • Pro Model: Required for extreme applications like offshore drilling or chemical waste sites. With its triple-industry-standard corrosion resistance, the Pro Model ensures safe handling of corrosive fluids while maintaining structural integrity.

*Performance gains calculated against industry benchmarks.

Frequently asked questions

  • Which Q345B Kelly Bar model suits Liebherr piling machines for heavy-duty drilling operations?

  • How to clean and maintain the interlocking Kelly Bar for optimal performance in mining operations?

  • Q345B steel vs. Q235 steel: Which is better for piling machine spare parts?

  • Can the Q345B Kelly Bar be customized for Sany or XCMG drilling rigs?

  • Is the Q345B Kelly Bar certified for heavy-duty drilling operations?

  • What’s the shelf life of the Q345B Interlocking Kelly Bar and how should it be stored?

  • Why choose Unicorn Drill’s Q345B Kelly Bar over competitors?

  • What types of drilling projects is the Q345B Kelly Bar suitable for?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy machinery durabilityQ345B steel (yield strength 345 MPa) ▲▲▲ vs Industry Standard (300 MPa)Superior load-bearing capacity for extreme drilling pressuresHigher production cost compared to standard steel
Brand CompatibilityMulti-brand equipment supportCompatible with 4+ brands (Zoomlion, Liebherr, etc.) ▲▲ vs Standard (2 brands)Flexible use across major construction machinery brandsRequires precise fitment checks for non-listed brands
Shelf LifeLong-term storage reliability1 year (ISO 15803) ▲ vs Industry Standard (6 months)Extended storage without degradation in harsh environmentsRequires re-inspection after shelf life expiration
Strength/DurabilityHigh-pressure drilling operations12,000 psi pressure tolerance (ASTM A370) ▲▲▲ vs Standard (8,000 psi)Withstands extreme hydraulic forces in mining/drilling rigsHeavier weight may complicate installation logistics
Interlocking MechanismPreventing tool disconnection专利 interlock design (patent #XYZ123) ▲▲ vs Standard mechanical lockZero slippage under 10-ton loads; reduces downtimeRequires specialized maintenance tools for adjustments
Customization OptionsProject-specific requirements5+ customizable specs (length, diameter, coating) ▲▲▲ vs Standard (2 specs)Tailored to unique drilling rig configurationsLonger lead times for non-standard modifications

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