

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.
W Flute 4 Cutter Fast Dust Removal Hammer Drill Bit
The W Flute 4 Cutter Fast Dust Removal Hammer Drill Bit is an advanced and highly efficient tool designed to deliver outstanding performance when drilling into tough materials such as concrete, brick, stone, and masonry. With its unique W flute design and four cutting edges, this drill bit is engineered to optimize dust removal and ensure a smoother, faster drilling experience.
| Part No. | Size(mm) | Part No. | Size(mm) | Part No. | Size(mm) |
| AP11-001 | 6x110 | AP11-038* | 10x800 | AP11-075* | 15x160 |
| AP11-002 | 6x160 | AP11-039 | 10×1000 | AP11-076* | 15x210 |
| AP11-003 | 6x210 | AP11-040* | 11x160 | AP11-077* | 15x260 |
| AP11-004 | 6x260 | AP11-041* | 11×210 | AP11-078* | 15x310 |
| AP11-005 | 6x350 | AP11-042* | 11x260 | AP11-079* | 15x350 |
| AP11-006 | 6.5x110 | AP11-043* | 1x310 | AP11-080 | 15x460 |
| AP11-007 | 6.5x160 | AP11-044* | 11x350 | AP11-081 | 16x160 |
| AP11-008 | 6.5x210 | AP11-045* | 11x460 | AP11-082 | 18x210 |
| AP11-009 | 6.5x260 | AP11-046* | 11x600 | AP11-083 | 16x260 |
| AP11-010* | 7x110 | AP11-047* | 12x110 | AP11-084 | 16x310 |
| AP11-011 | 7x160 | AP11-048 | 12x160 | AP11-085 | 16x350 |
| AP11-012* | 7x210 | AP11-049 | 12x210 | AP11-086* | 16x400 |
| AP11-013 | 7x260 | AP11-050 | 12x260 | AP11-087 | 16x460 |
| AP11-014 | 8x110 | AP11-051 | 12x310 | AP11-088 | 16x600 |
| AP11-015 | 8x160 | AP11-052 | 12x340 | AP11-089* | 16x800 |
| AP11-016 | 8x210 | AP11-053* | 12x400 | AP11-090 | 16x1000 |
| AP11-017 | 8x260 | AP11-054 | 12x460 | AP11-091* | 17x210 |
| AP11-018 | 8x310 | AP11-055 | 12x600 | AP11-092* | 17x260 |
| AP11-019 | 8x350 | AP11-056* | 12×800 | AP11-093* | 17x310 |
| AP11-020* | 8x400 | AP11-057 | 12x1000 | AP11-094* | 17x350 |
| AP11-021 | 8x460 | AP11-058* | 13x160 | AP11-095 | 17x460 |
| AP11-022* | 9x110 | AP11-059* | 13x210 | AP11-096 | 18x210 |
| AP11-023 | 9x160 | AP11-060* | 13x260 | AP11-097 | 18x260 |
| AP11-024 | 9x210 | AP11-061* | 13x310 | AP11-098 | 18x310 |
| AP11-025 | x260 | AP11-062* | 13x350 | AP11-099 | 18x350 |
| AP11-026 | 9x310 | AP11-063* | 13x460 | AP11-100* | 18x400 |
| AP11-027 | 9x350 | AP11-064* | 13x600 | AP11-101 | 18x460 |
| AP11-028 | 9x460 | AP11-065 | 14x160 | AP11-102 | 18x600 |
| AP11-029 | 10x110 | AP11-066 | 14x210 | AP11-103* | 18x800 |
| AP11-030 | 10×160 | AP11-067 | 14x260 | AP11-104 | 18x1000 |
| AP11-031 | 10x210 | AP11-068 | 14x310 | AP11-105* | 19x210 |
| AP11-032 | 10x260 | AP11-069 | 14x350 | AP11-106* | 19x260 |
| AP11-033 | 10x310 | AP11-070* | 14x400 | AP11-107 | 19x310 |
| AP11-034 | 10x350 | AP11-071 | 14x460 | AP11-108* | 19x350 |
| AP11-035* | 10x400 | AP11-072 | 14x600 | AP11-109* | 19x460 |
| AP11-036 | 10x460 | AP11-073 | 14x800 | AP11-110 | 20x210 |
| AP11-037 | 10x600 | AP11-074 | 14x1000 | AP11-111 | 20x260 |
Key Features & Benefits:
Fast Dust Removal with W Flute Design
The W flute design plays a critical role in enhancing the overall drilling process. The unique W-shaped spiral flutes efficiently remove dust and debris from the hole as drilling progresses. This prevents clogging and ensures that the bit remains clear and operational without requiring frequent retraction to clear out material. The rapid dust evacuation not only speeds up the drilling process but also reduces friction and heat buildup, contributing to a longer lifespan for the drill bit.
Four Cutting Edges for Faster Drilling
Equipped with four high-performance cutting edges, the W Flute 4 Cutter Hammer Drill Bit ensures smooth and efficient penetration into the hardest materials. The multi-cutter design allows for even force distribution across all cutting surfaces, which minimizes vibrations and prevents tip breakage. The result is faster and more precise drilling, especially in tough conditions like reinforced concrete or thick masonry.
Enhanced Durability and Longevity
Designed for heavy-duty applications, this drill bit is built to withstand the rigors of professional use. The carbide-tipped cutting edges are highly resistant to wear and tear, ensuring that the bit maintains its cutting efficiency even after extensive use. The durable construction of the bit reduces the need for frequent replacements, making it a cost-effective solution for construction projects.
Ideal for Hammer Drills
The W Flute 4 Cutter Hammer Drill Bit is specifically designed to be used with rotary hammer drills. The combination of high-impact resistance and rapid dust removal makes it an excellent choice for heavy-duty drilling tasks. Whether drilling into concrete slabs, walls, or brickwork, this bit provides consistent results under demanding conditions.
Applications of the W Flute 4 Cutter Hammer Drill Bit
The W Flute 4 Cutter Fast Dust Removal Hammer Drill Bit is ideal for a variety of applications, particularly in the construction, electrical, plumbing, and renovation sectors. Some of the most common uses include:
Concrete and Masonry Drilling: Perfect for drilling into hard surfaces like concrete, brick, stone, and block. Its efficient dust removal and four-cutter design ensure that the bit maintains precision and speed, even in challenging materials.
Anchor Hole Installation: This drill bit is ideal for creating anchor holes for bolts, screws, or other fasteners in masonry or concrete surfaces. Its fast drilling and smooth hole creation make it a reliable choice for construction projects that require secure anchor placements.
Electrical and Plumbing Installations: Used for drilling precise holes to accommodate conduit, pipes, or cables in concrete and masonry walls. The bit’s performance ensures that installations are completed quickly and efficiently, with minimal disruption to the surrounding materials.
General Heavy-Duty Drilling: The W Flute 4 Cutter Hammer Drill Bit excels in applications where high drilling speed, durability, and precision are required, such as in construction and demolition projects, where time and reliability are of the essence.
Why Choose Fangda's W Flute 4 Cutter Hammer Drill Bit?
At Fangda, we prioritize the development and manufacture of durable, high-performance tools that meet the needs of professionals. Our W Flute 4 Cutter Fast Dust Removal Hammer Drill Bit is no exception. Designed for maximum efficiency and built to last, it helps professionals complete their drilling tasks quickly, accurately, and with minimal downtime.
By choosing Fangda products, you can expect reliable tools that provide the precision, longevity, and performance necessary to tackle even the most demanding construction projects. Whether you're drilling through reinforced concrete or brick, our drill bits are engineered to provide consistent, high-quality results every time.
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Why does drilling speed decrease when making deep holes in concrete?
Dust accumulation inside the hole can increase resistance and slow drilling progress. The W flute design helps remove debris quickly, supporting more efficient drilling in deep-hole applications.
Can this drill bit help reduce downtime caused by clogged holes?
Yes. The fast dust removal structure continuously evacuates drilling debris, helping reduce interruptions for hole cleaning and improving overall jobsite productivity.
Will the bit stay centered when starting holes on concrete surfaces?
The 4-cutter head provides balanced contact with the material, helping improve positioning accuracy and reducing the tendency of the bit to wander during startup.
How does this bit perform when drilling multiple anchor holes in a row?
The efficient cutting geometry and dust evacuation system help maintain stable drilling performance during repetitive drilling tasks, making it suitable for anchor installation work.
Can the drill bit maintain hole accuracy in reinforced concrete?
The four-cutter carbide tip helps distribute impact forces evenly and supports more stable drilling when encountering hard aggregates or occasional reinforcement.
Why do some hammer drill bits generate excessive heat during use?
Poor debris removal can increase friction and heat buildup. The W flute design improves chip evacuation, helping reduce operating temperatures during drilling.
Is this bit suitable for overhead drilling on construction sites?
Yes. Efficient dust discharge helps prevent material buildup inside the hole, supporting smoother drilling performance in overhead and vertical applications.
Can one drill bit handle both brick and concrete projects?
Yes. The carbide-tipped design is suitable for a variety of hard construction materials, including concrete, brick, stone, masonry blocks, and similar surfaces.
How can contractors reduce drill bit replacement frequency?
The wear-resistant YG carbide cutting edges and durable alloy steel body are designed to support extended service life under demanding jobsite conditions.
What advantages does the W flute offer compared with standard flute designs?
The W-shaped flute increases debris evacuation efficiency, reduces drilling resistance, supports faster penetration, and helps maintain consistent performance throughout the drilling process.