

Employing high-quality alloy steel for the drilling body and YG carbide alloy for the drilling tip, in combination with various types of electric hammers. The drill is an efficient tool suitably and widely used for hole drilling in hard materials like concrete/brick in the construction & installation industries.
U Flute CT4 Ceratizit Carbide Tip Head Hammer Drill Bit
The U Flute CT4 Ceratizit Carbide Tip Head Hammer Drill Bit is a high-performance tool designed to handle tough drilling tasks in concrete, stone, brick, and other hard materials. With its U flute design and Ceratizit carbide tip, this drill bit is engineered to provide superior drilling efficiency, long-lasting durability, and precise results, even under the most demanding conditions.
| Part No. | Size(mm) | Part No. | Size(mm) | Part No. | Size(mm) |
| AP12-001 | 5x110 | AP12-016 | 8x210 | AP12-031 | 12x350 |
| AP12-002 | 5x160 | AP12-017 | 8x260 | AP12-032 | 12x460 |
| AP12-003 | 6x110 | AP12-018 | 8x310 | AP12-033 | 14x160 |
| AP12-004 | 6x160 | AP12-019 | 8x460 | AP12-034 | 14x210 |
| AP12-005 | 6x210 | AP12-020 | 10x110 | AP12-035 | 14x260 |
| AP12-006 | 6x260 | AP12-021 | 10x160 | AP12-036 | 14x310 |
| AP12-007 | 6.5x110 | AP12-022 | 10x210 | AP12-037 | 14x350 |
| AP12-008 | 6.5x160 | AP12-023 | 10x260 | AP12-038 | 14x460 |
| AP12-009 | 6.5x210 | AP12-024 | 10x310 | AP12-039 | 16x160 |
| AP12-010 | 6.5x260 | AP12-025 | 10x350 | AP12-040 | 16x210 |
| AP12-011* | 7x110 | AP12-026 | 10x460 | AP12-041 | 16x260 |
| AP12-012 | 7x160 | AP12-027 | 12x160 | AP12-042 | 16x310 |
| AP12-013* | 7x210 | AP12-028 | 12x210 | AP12-043 | 16x350 |
| AP12-014 | 8x110 | AP12-029 | 12x260 | AP12-044 | 16x460 |
| AP12-015 | 8x160 | AP12-030 | 12x310 |
Key Features & Benefits:
U Flute Design for Faster Dust Removal
The U flute design enhances the bit's ability to remove dust and debris as it drills. The curved, wide flute channels allow for quick evacuation of the dust, which helps prevent clogging and minimizes friction during operation. This efficient dust removal system also reduces heat buildup, allowing for faster, smoother drilling and prolonging the life of the tool.
Ceratizit Carbide Tip for Maximum Durability
The Ceratizit carbide tip is a key feature of this drill bit, offering superior hardness and wear resistance. This high-quality carbide tip ensures that the bit stays sharp and effective, even when drilling through tough, abrasive materials like reinforced concrete or stone. The tip's durability ensures longer intervals between replacements, saving both time and money on maintenance.
CT4 Cutting Edge Technology
The CT4 cutting edge technology ensures smooth, efficient cutting through tough materials. With its optimized geometry and carbide composition, the bit performs reliably in high-impact and high-heat environments, offering excellent performance for both light and heavy-duty drilling. The four cutting edges provide balanced cutting, helping to reduce vibration and improve drilling stability.
Impact Resistance and Precision
Designed for use in rotary hammer drills, the U Flute CT4 Hammer Drill Bit excels in heavy-duty impact drilling. Its construction and design allow it to withstand the shock and vibrations that come with hammer drilling, while still providing precise hole sizes. Whether drilling into concrete walls, floors, or ceilings, this bit ensures clean, accurate holes with minimal material damage.
Applications of the U Flute CT4 Ceratizit Carbide Tip Head Hammer Drill Bit
The U Flute CT4 Ceratizit Carbide Tip Head Hammer Drill Bit is ideal for a variety of construction and industrial applications where precision and durability are essential. Some of the most common uses include:
Concrete and Masonry Drilling: Perfect for creating holes in concrete, brick, stone, and other masonry materials. The Ceratizit carbide tip ensures the drill bit maintains its sharpness even under tough conditions, providing consistent results.
Anchor Hole Installation: Ideal for drilling anchor holes for bolts, fasteners, or dowels in concrete, stone, or brick. Its fast drilling speed and clean hole creation make it a reliable tool for securing structures.
Plumbing and Electrical Installations: Used for drilling holes for pipes, cables, and conduit in walls, floors, or ceilings. The bit’s precision ensures that the holes are created accurately and efficiently.
Heavy-Duty Drilling: The U Flute CT4 Hammer Drill Bit is designed to handle high-impact, heavy-duty drilling tasks, making it a go-to tool for construction professionals and contractors.
Reinforced Concrete Drilling: The bit's Ceratizit carbide tip allows it to easily handle reinforced concrete, making it suitable for structural projects that require drilling through both concrete and embedded rebar.
Why Choose Fangda's U Flute CT4 Hammer Drill Bit?
At Fangda, we prioritize the performance, durability, and reliability of our tools. The U Flute CT4 Ceratizit Carbide Tip Head Hammer Drill Bit is engineered to deliver optimal results in demanding drilling applications. Built with high-quality materials and advanced technology, it guarantees that professionals can rely on it to perform under pressure, offering longer tool life and higher efficiency.
Whether you're drilling through concrete, brick, or stone, the U Flute CT4 Hammer Drill Bit ensures clean, accurate holes with faster penetration and less wear. It’s the ideal choice for professionals who need a tool they can count on day in and day out.
By choosing Fangda, you are ensuring that your construction, installation, and renovation projects are equipped with high-performance tools designed for maximum results. Our commitment to quality, innovation, and reliability makes us a trusted name in the industry.
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Why do some hammer drill bits struggle when encountering rebar inside concrete?
Standard tips may wear quickly or deflect when contacting embedded steel. The CT4 carbide tip design improves impact resistance and helps maintain drilling performance in reinforced concrete applications.
Can this drill bit help reduce hole cleaning time before anchor installation?
Yes. The U flute design promotes rapid dust evacuation during drilling, helping leave cleaner holes and reducing the amount of debris that remains inside.
Why do drill bits sometimes become stuck during deep concrete drilling?
Dust accumulation can create resistance and restrict bit movement. The wide U-shaped flute improves debris removal and helps maintain smoother drilling progress.
Will this bit maintain accurate hole diameters for chemical anchor applications?
The CT4 four-cutter geometry helps create rounder and more consistent holes, supporting applications where dimensional accuracy is important.
How can I reduce vibration when drilling into hard concrete?
The balanced four-edge cutting design distributes impact forces more evenly, helping improve drilling stability and reduce vibration during operation.
Why do some carbide tips wear out quickly on abrasive materials?
Lower-grade carbide can lose sharpness rapidly under heavy loads. The Ceratizit carbide tip is engineered for wear resistance and extended cutting performance.
Can this drill bit handle large quantities of repetitive drilling on construction sites?
Yes. The combination of alloy steel construction and premium carbide cutting edges is designed to support continuous use in demanding jobsite environments.
Will overheating affect drilling performance during extended use?
Excessive heat can accelerate wear and reduce efficiency. The U flute structure helps reduce friction by clearing debris efficiently and improving heat management.
Is this bit suitable for overhead drilling and ceiling installations?
Yes. Efficient dust evacuation helps maintain drilling performance in overhead applications where debris removal is often more challenging.
How can this drill bit help lower overall drilling costs?
Longer service life, reduced downtime, faster penetration, and fewer replacement requirements can help improve productivity and reduce operating costs over time.