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5 Blades Steel Body High Performance PDC Rock Drill Bits

Bit name : PDC BIT
Bit size: 7-3/8"
Number of blade:5
Number of nozzle:5
Connection: 4-1/2 REG.PIN (customized)
Total number of PDC cutter : 41
PDC Cutter size: 13mm/16mm
Net weight: 30kg
Applicable strata: Level 1-12
Minimum Order Quantity: 10 pieces
Price: To be negotiable
Packaging Details: customized
Delivery Time: 5-7 business days
Payment Terms: T/T, L/C
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  • Product Description

5 Blades Steel Body High Performance PDC Rock Drill Bits | Advanced Drilling Solution for Enhanced Penetration and Durability 

SHAANXI HAINAISEN INTELLIGENT EQUIPMENT MANUFACTURING CO., LTD brings over 10 years of PDC cutting expertise to deliver the 5 Blades Steel Body High Performance PDC Rock Drill Bits. This 7-3/8" drill bit features a robust steel body construction with 41 precision-engineered PDC cutters in 13mm and 16mm sizes, delivering exceptional performance across Level 1-12 formations. With a net weight of 30kg and 4-1/2 REG.PIN connection, our five-blade design achieves superior penetration rates while maintaining excellent impact resistance. Manufactured in our 6,000 square meter facility by a team of 20+ senior technicians, each bit undergoes rigorous quality control to ensure reliable performance in demanding drilling environments.

Superior Design Features

Our 5 Blades Steel Body High Performance PDC Rock Drill Bits incorporate advanced engineering principles to maximize your drilling efficiency. Compared to matrix alternatives, the steel body construction offers greater impact resistance, enabling more aggressive cutting structures that result in quicker penetration rates.

The five-blade arrangement achieves the best possible balance between cutting evacuation and drilling speed. In soft to medium-hard formations, where conventional roller cone bits find it difficult to retain efficiency, you will see constant performance. A longer service life and uniform wear distribution are guarantyd by the thoughtful arrangement of 41 PDC cutters over five blades.

Deep blade channels facilitate superior hydraulic performance. This design efficiently removes drill cuttings while providing enhanced cooling to the cutting elements. When you're drilling through challenging formations, this cooling capacity prevents premature wear and maintains bit integrity.

The reinforced gauge design extends bit life significantly, especially in steerable drilling systems. You can confidently navigate through hard and abrasive formations without compromising directional control or experiencing rapid gauge wear.

5 Blades Steel Body High Performance PDC Rock Drill Bits
5 Blades Steel Body High Performance PDC Rock Drill Bits
5 Blades Steel Body High Performance PDC Rock Drill Bits

Performance Advantages You Can Trust

Steel body construction offers remarkable durability that withstands the rigorous demands of modern drilling operations. Unlike matrix body alternatives, our steel-bodied bits provide superior impact resistance, protecting the PDC cutters and maintaining their sharp cutting edges throughout extended drilling runs.

Another important benefit is heat dissipation. Steel effectively conducts heat away from cutting surfaces due to its exceptional thermal conductivity, minimizing overheating during high-speed operations. When working thru denser formations or drilling at faster rotational rates, this thermal control capacity becomes crucial.

The 5 Blades Steel Body High Performance PDC Rock Drill Bits deliver exceptional rate of penetration through their optimized shearing action. You'll notice immediate improvements in drilling speed compared to conventional roller cone bits, translating to reduced operational time and lower costs per meter drilled.

Repairability extends the economic value of your investment. When cutters experience wear, steel body bits can be refurbished and returned to service, maximizing your equipment utilization and reducing total cost of ownership.

PDC Bit Selection Guide

Hardness
Low haedness
Medium haedness
High haedness
Compressive Strength
0-8000
8000-16000
16000-32000
Formation
Clay,mudstone,marl,rock salt,shale
Shale,sandstone,chalk
Sandstone,limestone,shale anhydrite,dolomite
Density of Teeth
low
medium
high
Cutter Size
19mm
16-19mm
13-16mm
Rear Elevation Angle of the Cutter
15°/18°/20°
17°/20°/25°
20°/25°/30°
Crown Structure
long profile
medium profile
short profile

Versatile Application Range

Our bits perform exceptionally well in a variety of drilling situations. Faster penetration via sedimentary formations while preserving directional accuracy is possible in oil and gas exploration. Bit wander is avoided and smooth, reliable drilling performance is provided by the balanced five-blade design.

The bit is adaptability to different formation hardnesses is advantageous for mining operations. The sturdy steel body sustains impact loads while the PDC cutters continue to cut effectively, whether you are drilling thru coal seams or investigating mineral resources.

The bit has dependable performance in prolonged drilling campaigns and utilized in geothermal and water well drilling applications. Because of the increased endurance, there are fewer bit travels, which lowers idle time and improves project economics overall.

5 Blades Steel Body High Performance PDC Rock Drill Bits Applications
5 Blades Steel Body High Performance PDC Rock Drill Bits Applications
5 Blades Steel Body High Performance PDC Rock Drill Bits Applications

Project Case Studies

A coal mining operation in Shanxi Province deployed our 5 Blades Steel Body High Performance PDC Rock Drill Bits for underground exploration drilling. The project required penetrating mixed formations ranging from soft coal seams to medium-hard sandstone layers. Using our 7-3/8" five-blade bits, the operation achieved a 35% increase in penetration rate compared to their previous matrix body bits, while extending average bit life by 40%. The improved cuttings evacuation reduced downhole cleaning requirements, cutting operational time by two full days across a 15-hole drilling program.

An oil exploration project in Northwest China utilized our steel body PDC Bits for directional drilling through heterogeneous formations. The reinforced gauge design maintained hole quality throughout 800+ meters of directional drilling, eliminating the need for intermediate bit changes. The enhanced impact resistance proved crucial when encountering unexpected hard stringers, preventing catastrophic bit failure and maintaining project timeline.

Comparison with Other Bit Types

Bit Type5-Blade Steel Body PDC4-Blade PDCMatrix Body PDCRoller Cone Bit
ROP PerformanceExcellentVery GoodExcellentGood
Service LifeLongMediumVery LongShort
Cost per FootLowMediumHighHigh
Directional DrillingExcellentGoodExcellentFair
Formation SuitabilityMedium-HardSoft-MediumHardAll Formations

Selection Tips

  • For soft-medium formations: 4-blade bits may offer higher ROP
  • For hard/abrasive formations: This 5-blade steel body bit is the optimal balance
  • For ultra-hard formations: Matrix body PDC bits are recommended
  • Contact our engineering team for a free formation-specific bit selection consultation

Material

Our products are crafted using:

  • High-grade steel body for durability and strength
  • Premium polycrystalline diamond compact (PDC) cutters
  • Tungsten carbide matrix for enhanced wear resistance
  • Specialized coatings for improved thermal stability

 5 Blades Steel Body High Performance PDC Rock Drill Bits Material

Quality Control

HAINAISEN maintains rigorous quality control measures throughout the manufacturing process:

  • Strict material selection and testing
  • Advanced CNC machining for precise tolerances
  • Comprehensive inspection at each production stage
  • Final performance testing before shipment

5 Blades Steel Body High Performance PDC Rock Drill Bits Quality Control

Why Choose HAINAISEN

  • Over 10 years of industry experience
  • State-of-the-art manufacturing facilities
  • Continuous innovation and R&D investments
  • Dedicated customer support and technical assistance
  • Competitive pricing and flexible terms

Why Choose HAINAISEN

Packaging and Transportation

  • Secure packaging to prevent damage during transit
  • Custom crating options for bulk orders
  • Flexible shipping methods to meet your timeline
  • Full documentation and tracking provided

5 Blades Steel Body High Performance PDC Rock Drill Bits Packaging and Transportation

Transaction Feedback

We value customer satisfaction and continuously seek feedback to improve our products and services. Your input helps us maintain our position as an industry leader.

5 Blades Steel Body High Performance PDC Rock Drill Bits Transaction Feedback

    Qualification Certification

    HAINAISEN holds multiple industry Certifications, including:

    • ISO 9001:2015 Quality Management System
    • API Spec Q1 Certification
    • CE Marking for European market compliance

    5 Blades Steel Body High Performance PDC Rock Drill Bits Qualification Certification

    After-Sales Service

    • Technical support throughout the product lifecycle
    • Comprehensive user manuals and training materials
    • Rapid response to inquiries and concerns
    • Warranty coverage on manufacturing defects

    FAQ

    Q1: Which formations work best with steel body PDC bits with five blades?
    A: In Level 1–12 formations, these bits function best, especially in mild to medium-hard circumstances. In sedimentary rocks, coal, shale, and limestone formations, where the PDC cutters can effectively shear material without excessive impact loading, you will get the greatest results.

    Q2: What is the difference between matrix body alternatives and steel body construction?
    A: Steel bodies are perfect for formations with erratic hardness changes because of their exceptional toughness and impact resistance. They offer better repairability and can accommodate more aggressive cutting structures. In extremely abrasive formations where erosion resistance becomes the main concern, matrix bodies perform exceptionally well.

    Q3: For best results, what rotational speed should I keep up?
    A: To maximize PDC cutter performance and avoid premature wear, maintaining the proper rotating speed is essential. Recommendations for speed differ according to bit diameter and formation hardness. For precise advice based on your drilling parameters, get in touch with our technical staff.

    Q4: Is it possible to modify these bits for particular uses?
    A: We do have choices for customisation, such as blade profiles, cutter settings, and connection kinds. To optimize bit design for your unique geological circumstances and drilling goals, our technical team collaborates closely with you.

    Q5: How can bit life be prolonged?
    A: Unnecessary wear can be avoided by routinely checking the state of the cutter, cleaning it properly after each run, and storing it properly. Bit longevity is also greatly impacted by monitoring drilling parameters and modifying rotating speed and weight-on-bit based on formation response.

    Contact Us

    For inquiries about our 5 Blades Steel Body High Performance PDC Rock Drill Bits or to discuss your drilling requirements, please email us at hainaisen@hnsdrillbit.com.

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