Coal Mining Tools PDC Anchor Drill Bit 28mm
Bit size: 28mm(20-45mm)
PDC cutter :1304
Connection type:M14X1.5 (customized)
Package Details: customized
Applicable strata:1-12
Minimum Order Quantity : 10 pieces
Price : To be negotiable
Delivery Time : 5-7 business days
Payment Terms : T/T, L/C
- Product Description
Coal Mining Tools PDC Anchor Drill Bit 28mm: Precision Drilling Solution
SHAANXI HAINAISEN INTELLIGENT EQUIPMENT MANUFACTURING CO.,LTD is a leading manufacturer and supplier of Coal Mining Tools PDC Anchor Drill Bit 28mm. Our company excels in producing high-quality drill bits, leveraging our expertise in PDC technology. With a focus on innovation and customer satisfaction, HAINAISEN's product offers superior performance and reliability for demanding drilling applications.
Why Choose Our Coal Mining Tools PDC Anchor Drill Bit 28mm?
- Advanced PDC technology for enhanced drilling efficiency
- Durable construction for extended bit life
- Optimized cutting structure for improved penetration rates
- Excellent stability and control during operation
- Suitable for various geological formations
Performance & Use Advantages
Our bits are built for real mining conditions.
- Premium PDC cutters reduce wear and extend service life.
- Optimized blade design clears chips quickly for faster penetration.
- Balanced structure minimizes hole deviation.
- Works reliably in coal, shale, and soft rock formations.
Cost Advantages
Every detail is designed to cut your total cost.
- Longer bit life means fewer replacements and less downtime.
- Higher drilling speed boosts construction efficiency.
- Stable performance reduces rework and maintenance costs.
- Competitive factory pricing without sacrificing quality.
Selection Guide
Choose the right bit based on your rock hardness and project needs.
| Rock Hardness | Recommended Bit | Cutter Model | Best For |
|---|---|---|---|
| Soft coal seam (f < 8) | 2-wing standard bit | 1304 PDC cutters | General roof bolting |
| Medium hard rock (f 8–10) | 2-wing reinforced bit | 1308 PDC cutters | Mudstone and weak sandstone |
| Hard rock (f 10–12) | 3-wing reinforced bit | 1308 PDC cutters | Limestone or hard shale |
Quick Tip: If your formation has mixed rock types, go with the 3-wing reinforced version for more durability.
Application
Our product is versatile and ideal for:
- Coal mining operations
- Geological exploration projects
- Water well drilling
- Oil and gas drilling
- Construction and foundation work
- Hard rock mining
- Geothermal drilling

Customization & Supply Capacity
We understand every mining site has different requirements.
- Custom thread sizes, diameters, and cutter configurations available.
- OEM/ODM service for branded packaging and specifications.
- Stable raw material supply ensures consistent lead times.
- Bulk orders supported, with MOQ as low as 10 pieces for trial orders.
Delivery & Lead Time
- Small orders: 7–10 working days
- Bulk orders: 15–20 working days
- We keep common sizes in stock for fast shipping.
Material
Our product is crafted using premium-grade materials:
- High-quality steel body for durability
- Advanced PDC cutters for superior wear resistance
- Tungsten carbide matrix for enhanced thermal stability

Quality Control
At HAINAISEN, we maintain strict quality control measures:
- Rigorous testing of each product
- Advanced inspection equipment for precision checks
- Compliance with international quality standards

Why Choose HAINAISEN
- Over 10 years of industry experience
- State-of-the-art manufacturing facilities
- Dedicated R&D team for continuous innovation
- Excellent customer support and after-sales service

Shipment Samples
At HAINAISEN, we provide sample shipments of our products to enable thorough testing and evaluation, allowing you to assess their performance, durability, and suitability for your specific needs. Whether you’re evaluating compatibility with project requirements or verifying quality standards, our samples offer a hands-on experience of our craftsmanship. Our team is ready to assist with detailed information on sample availability, shipping terms, and personalized logistics solutions to ensure a seamless process. Contact us today to discuss your needs and discover how our samples can help you make informed decisions about integrating our products into your operations.
Packaging and Transportation
Our product is carefully packaged to ensure safe transportation:
- Sturdy wooden cases for protection during shipping
- Custom packaging options available for bulk orders
- Reliable logistics partners for timely delivery

Transaction Feedback
We value customer satisfaction and continuously improve based on feedback. Our clients praise the product for its durability, performance, and cost-effectiveness.

After Sales Service
HAINAISEN provides comprehensive after-sales support:
- Technical assistance for optimal bit performance
- Prompt resolution of any issues
- Regular follow-ups to ensure customer satisfaction
Qualification Certification
Our product meets industry standards:
- ISO 9001:2015 certified manufacturing process
- API certification for quality assurance
- CE marking for European market compliance

FAQ
Q: What is the lifespan of the product?
A: The lifespan varies depending on operating conditions, but typically ranges from 100-300 drilling hours.
Q: Can the bit be used in hard rock formations?
A: Yes, our product is designed to handle various formations, including hard rock.
Q: What is the recommended operating speed?
A: The optimal speed depends on the specific application, but generally ranges from 60-120 RPM.
Q: Do you offer technical support for bit selection?
A: Absolutely. Our team of experts can assist you in choosing the right bit for your project.
Q: What is the warranty period for the product?
A: We offer a standard 12-month warranty against manufacturing defects.
Contact Us
For inquiries about our Coal Mining Tools PDC Anchor Drill Bit 28mm or any other products, please email us at hainaisen@hnsdrillbit.com.
VIEW MORE34 And A Half Whole Coal Mine Mining Anchor Drill Bits
VIEW MORE30mm Half Blade Anchor Bit For Mine Coal Fields
VIEW MORE113mm PDC Arc Angle Drill Bit
VIEW MORE113mm Three Wing Arc Angle Drill Bit
VIEW MOREForging Deep Rock Well Drilling Bits
VIEW MOREThree Blade Concave Drill Bit Api For Manganese Coal Mines
VIEW MORE3 Blades PDC Mining Bits
VIEW MORECoal Mine Drilling Opening And Closing Drill Bit






