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Highly wear-resistant rock auger bullet teeth engineered for efficient drilling in medium-hard rock, for drilling and tunnel boring in the most extrme hard rock and concrete.
Application: Medium-Hard Rock, Concrete
Fits: Rotary Drilling Buckets, Rock Augers, Milling Drums
Advantage: High Wear Resistance, Long Service Life, Convenient replacement
The Renewal B47K22H rock auger bullet teeth is a vital cutting component engineered for demanding foundation drilling tasks. As a crucial wear part attached to various drilling tools, its performance directly impacts drilling efficiency, project timelines, and overall operational costs. This rock auger bullet teeth is specifically designed to offer a robust and reliable solution for penetrating medium-hard rock formations and concrete, making it an essential tool in modern foundation engineering and construction projects.
Key Features & Benefits▼
■ Premium Carbide Tip:
Feature: Utilizing premium-grade tungsten carbide rock auger bullet teeth, selected for their optimal properties and sintered through a specialized process, providing exceptional hardness and superior wear resistance.
Benefit: This results in a significantly extended service life, especially when drilling in abrasive geological conditions. It minimizes costly downtime required for frequent replacements and boosts overall operational economy.
■ High-Strength Steel Body:
Feature: Crafted from high-quality alloy steel chosen for its strength and resilience, and subjected to precision forging processes.
Benefit: This guarantees the body's resistance to fracture and deformation, even when subjected to heavy impact loads during drilling. It provides dependable structural support for the carbide tip, ensuring tool integrity.
■ Optimized Heat Treatment:
Feature: The tooth body (either entirely or in critical sections) undergoes a professionally controlled heat treatment process.
Benefit: This achieves an ideal balance between hardness and toughness. The rock auger bullet teeth effectively resists surface abrasion while possessing the necessary toughness to absorb impacts without catastrophic failure, ensuring reliable performance across diverse and challenging working conditions.
■ Reliable Brazing/Connection:
Feature: Employing advanced brazing techniques ensures an exceptionally strong and durable bond between the carbide tip and the steel body.
Benefit: This robust connection prevents premature tip loss during operation, ensuring uninterrupted drilling progress and enhancing operational safety.
■ Standard Round Shank Design:
Feature: Features an industry-standard 30mm (verify this dimension is correct for B47K22H) round shank design with a specific retainer groove.
Benefit: Ensures seamless compatibility with standard B47K-type holders/blocks, facilitating easy installation and replacement in the field, and enabling efficient torque transmission from the drilling tool to the cutting edge.
Primary Applications▼
The B47K22H rock auger bullet teeth is recommended for the following conditions and equipment:
■ Geological Conditions:
Medium-hard rock formations (e.g., Sandstone, Limestone)
Highly weathered rock
Permafrost (Frozen ground)
Concrete (including reinforced concrete with careful operation)
Gravel layers containing cobbles or small boulders
■ Compatible Drilling Tools:
Rotary Drilling Rigs: Rock auger bullet teeth widely used on rock buckets, soil/rock combination augers.
Core Barrels: Sometimes used as pilot teeth or on the outer ring.
Trenching Machines / Road Milling Machines: Used on milling drums.
■ Engineering Fields:
Bridge Foundations
High-Rise Building Foundations
Metro / Subway Construction (station foundations, diaphragm walls)
Water Conservancy Projects (dam foundations, cofferdams)
Mining and Quarrying (excavation, breaking)
Slope Stabilization Projects
Live Pictures▼


Why Choose Renewal's B47K22H?▼
☑ Rigorous Quality Control: We implement strict quality checks throughout the entire manufacturing process, from raw material inspection to final product testing, ensuring consistent quality.
☑Extensive Manufacturing Experience: With years of dedicated experience in manufacturing rock auger bullet teeth for augers, we possess deep technical know-how.
☑Proven Performance Stability: Our B47K22H rock auger bullet teeth have been market-tested and validated, receiving positive feedback from clients globally for their reliable performance.
☑Competitive Pricing: We strive to offer high-quality products at competitive prices, providing excellent value for your investment.
☑Responsive Support & Service: Our professional team is ready to provide technical support, consultation, and efficient after-sales service.
Quality Assurance & Service ▼
At Renewal, quality is paramount. Our manufacturing process adheres to a strict quality management system certified by ISO 9001 standards to ensure every B47K22H rock auger bullet teeth meets high-performance criteria. Each batch undergoes thorough pre-shipment inspections covering dimensions, material properties, and weld integrity. We stand behind our products; please inquire about our specific warranty policy. Our dedicated technical support team is available to answer your questions regarding application, installation, and troubleshooting.
Packaging & Shipping ▼
Our B47K22H rock auger bullet teeth are typically packaged in durable plastic boxes or reinforced cartons to ensure safe transport and convenient storage. Palletizing is used for bulk orders. Customized packaging solutions can be arranged upon request to meet specific client needs. Please contact us for detailed information on shipping options, lead times, and international delivery capabilities.
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FAQ ▼
Q: Is the B47K22H tooth suitable for drilling very hard granite?
A: For extremely hard and abrasive rock like granite, we generally recommend using specialized heavy-duty rock teeth or roller bit core barrels for optimal performance and tool life. The B47K22H rock auger bullet teeth is primarily designed and most effective for medium-hard rock formations. Please contact our technical team for a consultation on the best solution for granite drilling.
Q: How should I correctly install the B47K22H rock auger bullet teeth?
A: First, ensure the holder (tooth block) socket is clean and free of debris. Align the retainer groove on the tooth shank with the retainer mechanism in the holder. Using an appropriate installation tool (avoid direct heavy hammering on the carbide tip), push the tooth firmly into the holder until the retainer engages securely. Verify the tooth is properly seated and cannot be easily pulled out by hand.
Q: At what point of wear should the B47K22H tooth be replaced?
A: Replacement is generally recommended when the tungsten carbide tip is severely worn down (e.g., flattened, significantly reduced in height, or fractured), or when the steel body shows excessive wear, deformation (bending), or visible cracks. Continuing to use overly worn teeth reduces drilling efficiency and can damage the holders.
Q: Can the B47K22H tooth be used on drilling tools from other brands?
A: The B47K22H rock auger bullet teeth is a widely recognized industry-standard model. It is generally compatible with standard 30mm round shank holders/blocks used by many different drilling tool manufacturers. However, slight variations in holder tolerances can exist. To ensure a perfect fit and optimal performance, we recommend verifying your holder's dimensions or providing us with photos/specifications for confirmation.