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Crafted from 100% new PCD CARBIDE material, this high precision milling cutter features a diamond coating and 35° helix angle, making it ideal for CNC Machining Centers. Designed to handle high-hardness materials ranging from 45HRC to 65HRC, the tool delivers smooth cutting, wear resistance, and enhanced milling efficiency for micro-processing applications. With a global customer base spanning Azerbaijan, Thailand, and Poland, and a 99.5% positive review rate, this micro-diameter cutting tool stands out as a reliable choice for precision manufacturing.
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Adopting foreign first-class precision machine tools (TTB/ANCA/DECKEL/HOYMAN/TOP), the spiral edge end mill boasts sharp, wear-resistant cutting edges. This design ensures smooth cutting action, reducing friction and improving overall milling efficiency — a critical advantage for high-precision micro-processing tasks.
The double-edged structure and 35° helix angle work synergistically to minimize burs during processing. Unlike conventional tools, this micro-diameter flat end mill resists chip adhesion, keeping the cutting edge clean and maintaining consistent performance throughout long production runs.
Made from top-grade PCD CARBIDE, the tool offers exceptional hardness and dimensional stability. It effortlessly handles materials with HRC ratings of 45, 55, 60, and 65, making it suitable for a wide range of high-hardness workpieces in aerospace, automotive, and precision engineering industries.
The 100% new material and rigorous quality control ensure superior durability. Compared to standard carbide tools, this wear-resistant end mill delivers a longer service life, reducing tool replacement frequency and lowering production costs.
The diamond coated end mill features a high-performance diamond coating that significantly boosts wear resistance. This coating protects the tool from abrasion during high-speed cutting, extending its lifespan even when processing the hardest materials.
The diamond coating also reduces surface friction, enabling the tool to glide through workpieces with minimal resistance. This results in smoother, brighter finished surfaces, eliminating the need for secondary polishing and enhancing productivity.
Offering 2-6 flutes, the tool adapts to diverse milling needs — from roughing to finishing. More flutes mean increased cutting points, improving surface finish, while fewer flutes enhance chip evacuation for deeper cuts.
With outside diameters ranging from 0.2mm to 20mm, shank diameters of 4-20mm, and overall lengths of 38-150mm, this versatile end mill caters to micro-processing and large-scale milling alike. Custom size options are available to meet unique project requirements.
Project code | Outer diameter | Handle diameter | Flute length | Total length |
BFL-SD-002 | 0.2 | 4 | 0.4 | 50 |
BFL-SD-003 | 0.3 | 4 | 0.6 | 50 |
BFL-SD-004 | 0.4 | 4 | 0.8 | 50 |
BFL-SD-005 | 0.5 | 4 | 1.0 | 50 |
BFL-SD-006 | 0.6 | 4 | 1.2 | 50 |
BFL-SD-007 | 0.7 | 4 | 1.4 | 50 |
BFL-SD-008 | 0.8 | 4 | 1.6 | 50 |
BFL-SD-009 | 0.9 | 4 | 1.8 | 50 |



We offer free custom laser marking on the tool body, including your brand LOGO, product specifications, or technical parameters. This service enhances brand visibility and simplifies inventory management.
Using advanced laser equipment, our markings are clear, durable, and resistant to wear — even during intense cutting operations.
Customize label content to include product details, usage instructions, or branding elements. Our labels are designed for clarity and compliance with international shipping standards.
Choose from standard packaging or opt for custom outer packing boxes and packaging tubes to protect the tools during transit. We tailor packaging to your logistics needs.
Adjust outside diameter, shank diameter, flute length, and overall length to match your specific milling requirements. Our engineering team ensures precise adherence to your dimensions.
Beyond diamond coating, we offer alternative coatings (e.g., AlTiN, TiSiN) based on your application needs, such as improved heat resistance or lubricity.
We accept drawing-based customization and sample-based customization for special micro-diameter end mills. Whether you need a unique flute design or modified helix angle, our team delivers tailored solutions.
Our experienced R&D team works closely with you to refine designs, ensuring the custom tool meets performance expectations for your target materials and processes.




The minimum order quantity (MOQ) is 10 pieces, which balances small-batch trials and cost-effectiveness for large-scale production. For orders exceeding 100 pieces, contact us for negotiated pricing.
It is optimized for high-hardness materials with HRC ratings of 45, 55, 60, and 65, including alloy steels, hardened steels, and other tough workpieces requiring precision micro-milling.
Standard orders (1-10 pieces): 7 working days
Medium orders (11-100 pieces): 14 working days
Large/custom orders (>100 pieces): Negotiable based on customization complexity
Which shipping methods are available?
We partner with UPS, Fedex, DHL, TNT, EMS, and offer sea freight for bulk orders. Shipping costs are optimized based on your location and order volume.
Yes! We provide sample orders (minimum 10 pieces) to help you test the tool’s performance. Contact our sales team to arrange sample delivery and technical support.