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Half Round Flute 4 Cutter Head SDS-MAX Shank Hammer Drill Bit

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  • Half Round Flute 4 Cutter Head SDS-MAX Shank Hammer Drill Bit
  • Half Round Flute 4 Cutter Head SDS-MAX Shank Hammer Drill Bit

Half Round Flute 4 Cutter Head SDS-MAX Shank Hammer Drill Bit

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.

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Product
Description

What is Half Round Flute 4 Cutter Head SDS-MAX Shank Hammer Drill Bit?

This type of drill bit is a heavy-duty masonry drilling tool specifically designed for SDS-MAX rotary hammers. The half round flute refers to the shape of the spiral grooves along the body of the drill bit. These flutes are optimized for efficient dust evacuation while maintaining high structural rigidity. Unlike more aggressive spirals, the half round flute reduces resistance and helps maintain drilling momentum in deeper or tougher materials.

The 4-cutter head incorporates four precisely angled cutting edges that operate in unison, breaking through tough materials with superior balance and speed. This configuration reduces bit deflection, enhances hole accuracy, and significantly lowers the chance of jamming when encountering rebar or aggregate.

The SDS-MAX shank ensures maximum energy transfer from the hammer drill to the bit. It is specifically built for compatibility with high-powered drills and is known for its ability to resist slippage during intense rotary and hammering action.

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Product
parameter
Part No. Size(mm) Part No. Size(mm) Part No. Size(mm)
AM03-001* 10×260 AM03-035* 20x400 AM03-069 30×540
AM03-002 10x340 AM03-036 20x540 AM03-070 30×600
AM03-003 10×540             AM03-037 20x600               AM03-071 30×670
AM03-004 10×600 AM03-038 20x670 AM03-072 30×800
AM03-005 12x260              AM03-039 20x800              AM03-073 30x1000
AM03-006 12x340          AM03-040 20x1000 AM03-074* 32x340
AM03-007 12x540              AM03-041 22x260               AM03-075 3.2x540
AM03-008 12x600 AM03-042 22x340 AM03-076 32x600
AM03-009 14x260              AM03-043* 22x400               AM03-077 32x800
AM03-010 14x340 AM03-044 22x505 AM03-078 32x1000
AM03-011" 14x400              AM03-045 22x540               AM03-079 35x540
AM03-012 14x540 AM03-046 22x600 AM03-080 35x600
AM03-013 14x600 AM03-047 22x670 AM03-081 35x670
AM03-014 14x670 AM03-048 22x800 AM03-082 35x800
AM03-015 14x1000             AM03-049 22x1000              AM03-083 35x1000
AM03-016 16x260 AM03-050 25x260 AM03-084* 38x400
AM03-017 16x340              AM03-051 25x340               AM03-085 38×600
AM03-018 16x505 AM03-052* 25x400 AM03-086 38×800
AM03-019 16x540              AM03-053 25x505               AM03-087 38×1000
AM03-020 16×600 AM03-054 25x540 AM03-088 40x540
AM03-021 16x670              AM03-055 25x600               AM03-089 40×600
AM03-022 16x800              AM03-056 25x800               AM03-090 40x670
AM03-023 16x1000             AM03-057 25x1000              AM03-091 40×800
AM03-024 18x260 AM03-058 28x340 AM03-092 40x1000
AM03-025 18x340              AM03-059* 28x400               AM03-093 42x570
AM03-026* 18x400 AM03-060 28x505 AM03-094 42x600
AM03-027 18x505          AM03-061 28x540           AM03-095 42×800
AM03-028 18x540              AM03-062 28x600               AM03-096 42x1000
AM03-029 18x600              AM03-063 28x670               AM03-097 45x540
AM03-030 18x670 AM03-064 28×800 AM03-098 45x1000
AM03-031 18x800          AM03-065 28x1000          AM03-099 52x540
AM03-032 18x1000 AM03-066 30x340 AM03-100 52x1000
AM03-033 20x260              AM03-067* 30x400
AM03-034 20x340 AM03-068* 30x505

Typical Applications
The Half Round Flute 4 Cutter Head SDS-MAX Shank Hammer Drill Bit is ideal for professionals in construction, infrastructure, and renovation projects. Common application scenarios include:

      Drilling anchor holes in thick concrete slabs and structural walls

      Breaking through reinforced concrete containing embedded rebar

      Creating channels or paths for piping and conduit systems

      Installing heavy-duty fixtures that require deep and stable anchoring

      Vertical and overhead drilling, where bit control and vibration resistance are critical

Why Choose Fangda's SDS-MAX Hammer Drill Bit?
At Fangda, we design and manufacture hammer drill bits that meet the highest standards of performance and durability. Our Half Round Flute 4 Cutter Head SDS-MAX Shank Hammer Drill Bit is the result of advanced engineering and rigorous quality control, making it a trusted tool for demanding jobs.

By choosing Fangda, you are choosing a product that's built for professionals—capable of handling real-world conditions, resisting wear, and delivering precise results job after job. Whether you're working on industrial construction or large-scale infrastructure, Fangda's hammer drill bits offer the reliability and strength your work requires.

Company Profile
Founded in 1987, Fangda Holding Co., Ltd specializes in the production and operation of more than 20 series and 5000 specifications of products such as drill bits, chisels, twist drills, saw blades, hole saw, woodworking tools, cemented carbide etc., It also invests in the fields of real estate, finance and PE. Now the company has more than 200 sales departments and special distribution offices across the country, as well as special distribution offices in Russia, Ukraine, the United Arab Emirates, Vietnam and other countries. Our products are exported to more than 80 countries and regions in Europe, the Americas, the Middle East, Southeast Asia, Africa. The company's export volume ranks among the top ten in the city and the top fifty in the manufacturing industry, and we are also an advanced enterprise in the hardware tools industry of Yueqing City and the drill bit (construction) industry base of China.
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