Hard Alloy Roller Drill Bit
Bit size:140mm
Number of blade:3
Number of nozzle:3
Connection: 3-1/2 REG.PIN (customized)
Net weight: 16kg
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
- Product Description
Hard Alloy Roller Drill Bit: Precision Engineering for Optimal Drilling Performance
SHAANXI HAINAISEN INTELLIGENT EQUIPMENT MANUFACTURING CO.,LTD is a leading manufacturer and supplier of Hard Alloy Roller Drill Bits. Our cutting-edge technology, rigorous quality control, and extensive industry experience set us apart. Our products offer superior durability, enhanced penetration rates, and exceptional performance in challenging drilling conditions.
| Model | Bit Size (in) | Suitable Formation | WOB Range (kN) | RPM Range (r/min) | Application |
|---|---|---|---|---|---|
| IADC517 | 8 1/2 | Medium-hard | 80-160 | 60-120 | Oil & Gas Wells |
| IADC637 | 9 7/8 | Hard / Gravel | 120-220 | 40-90 | Deep / Ultra-deep Wells |
| IADC437 | 12 1/4 | Soft-medium / Medium-hard | 100-180 | 70-130 | Large-diameter / Water Wells |
| Custom | Available | All Formations | On-demand | On-demand |
Why Choose Our Hard Alloy Roller Drill Bit?
- Exceptional wear resistance for extended bit life
- Optimized cutting structure for improved penetration rates
- Advanced materials for superior thermal stability
- Precision-engineered for consistent performance
- Customizable designs to meet specific drilling requirements
Usage Advantages
- High ROP and longer footage per bit, shorten drilling cycle and save project time
- Low downhole failure rate, reduce unplanned downtime losses
- Compatible with most drilling rigs, no extra equipment modification needed
Cost Advantages
- Longer service life, reduce bit purchase quantity and overall consumable cost
- Fewer tripping operations, cut labor and rig time costs
- Volume discount for bulk orders, custom pricing for long-term partners
- 24/7 after-sales support, immediate solutions to minimize downtime losses
Selection Guide
- Soft-medium formations: IADC4xx series, sharp inserts for maximum ROP
- Medium-hard formations: IADC5xx series, balanced ROP and service life
- Hard / gravel formations: IADC6xx series, high wear and impact resistance
- Special conditions: Contact our engineers for 1-on-1 custom selection
Applications:
Our Hard Alloy Roller Drill Bits excel in various industries and applications:
- Oil and Gas Exploration:
- Deep well drilling in hard rock formations
- Offshore drilling operations
- Shale gas extraction
- Mining Operations:
- Coal seam exploration
- Mineral prospecting
- Hard rock mining
- Geothermal Energy Development:
- Geothermal well drilling
- Hot dry rock exploration
- Water Well Drilling:
- Deep aquifer access
- Artesian well construction
- Construction and Infrastructure:
- Foundation drilling for large structures
- Tunnel boring operations

Customization Services:
At HAINAISEN, we understand that every drilling project is unique. Our team of experts works closely with clients to design and manufacture products tailored to specific geological conditions and operational requirements. We offer:
- Custom bit profiles and cutting structures
- Specialized material selection for extreme environments
- Optimized hydraulics for enhanced cuttings removal
- Compatibility with various drill string configurations
Delivery & Supply Capacity
- Sufficient stock for standard models, shipping within 48 hours after order confirmation
- Short lead time for custom bits, as fast as 7 days for delivery
- In-house factory + mature supply chain, annual capacity over 10,000 units, stable supply for large orders
- Global logistics partnership, door-to-door delivery worldwide with full tracking and customs clearance support
Material:
Our Hard Alloy Roller Drill Bit are crafted using premium-grade materials:
- Tungsten carbide for exceptional hardness and wear resistance
- High-strength steel bodies for durability and impact resistance
- Advanced sealing materials for prolonged bearing life

Quality Control:
We maintain stringent quality control measures throughout the manufacturing process:
- Rigorous material testing and selection
- Precision machining with state-of-the-art equipment
- Comprehensive performance testing before shipment

Why Choose HAINAISEN:
- Over 10 years of industry experience
- Cutting-edge R&D capabilities
- ISO 9001:2015 certified quality management system
- Dedicated technical support team
- Competitive pricing and flexible terms

Shipment and Samples:
- Fast and reliable global shipping
- Sample bits available for performance evaluation
Packaging and Transportation:
- Secure wooden crates for safe transportation
- Custom packaging solutions for bulk orders

Transaction Feedback:
At HAINAISEN, customer satisfaction is our top priority, and we actively leverage client feedback to drive continuous improvement in our products. By listening to real-world insights, we refine designs, enhance functionality, and uphold the highest standards of quality. Our unwavering commitment to excellence has solidified our reputation as a trusted provider of reliable, high-performance drilling solutions across the industry. Clients consistently rely on us for products that deliver durability, efficiency, and innovation, making us a partner of choice for meeting evolving operational demands with integrity and expertise.

After-Sales Service:
- 24/7 technical support
- Comprehensive warranty coverage
- On-site troubleshooting assistance
Qualification Certification:
- ISO 9001:2015 certified
- API Spec Q1 compliant
- CE marked products

FAQ:
Q: What is the typical lifespan of a product?
A: The lifespan varies depending on formation hardness and drilling conditions, but our bits typically last 30-50% longer than standard roller bits.
Q: Can your products be used in high-temperature environments?
A: Yes, our bits are designed to withstand temperatures up to 300°C (572°F).
Q: Do you offer rush orders for emergency situations?
A: Absolutely. We can expedite production and shipping for urgent requirements.
Q: What is the minimum order quantity for custom-designed bits?
A: Our minimum order for custom bits is typically 5 units, but we can discuss flexibility based on your specific needs.
Q: How do I determine the right Hard Alloy Roller Drill Bit for my project?
A: Our technical team can assist you in selecting the optimal bit based on your geological data and operational parameters.
Contact Us:
For Hard Alloy Roller Drill Bit inquiries, technical support, or to request a quote, please email us at hainaisen@hnsdrillbit.com.











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