Graphite Square End Mill【2 Flutes Φ 0.2-6】
Upgrade Your Milling Experience with SAMHO Graphite Square End Mill【2 Flutes Φ 0.2-6】!
Looking for a reliable wholesaler for high-quality products? Look no further than SAMHO! We are excited to introduce our latest offering, the Graphite Square End Mill【2 Flutes Φ 0.2-6】. This product is directly imported from China and is perfect for various applications. With its innovative design and precise engineering, it guarantees superior performance and durability. Don’t miss out on this amazing opportunity to enhance your business! Contact us today to place your order and experience the incredible value of SAMHO.
2-Flute Flat Diamond Coated End Mill – Specialized Tool for High-Efficiency Machining of Graphite and Ceramics
Engineered for non-metallic, hard, and brittle materials such as graphite and electrical ceramics, this 2-flute flat end mill features a high-performance diamond coating for exceptional wear resistance and surface quality. Ideal for high-precision, high-efficiency dry machining in demanding applications.
Ultra-Hard Diamond Coating for Maximum Wear Resistance
Coated with a premium diamond layer with hardness exceeding 10000HV, this tool significantly extends tool life in abrasive environments. Perfect for continuous machining of graphite, ceramics, and other hard non-metallic materials.
2-Flute Sharp Edge Geometry Reduces Cutting Resistance
The optimized two-flute design features ultra-sharp cutting edges that reduce cutting forces and heat generation. This helps prevent edge chipping, maintains surface integrity, and ensures high machining stability—even in dry or near-dry conditions.
Flat End Profile for Face Milling and Contour Precision
The flat cutting face enables precise surfacing and sharp edge control, making it well-suited for contour milling of graphite molds, electrodes, insulating parts, and other fine-feature geometries.
Ultra-Fine Grain Carbide Substrate for Crack Resistance
Manufactured from high-strength micro-grain carbide, the tool body offers excellent toughness and fracture resistance—essential when machining brittle and hard materials under dry conditions.
CNC Precision Ground with ±0.01mm Tolerance
Tightly controlled dimensions ensure consistency and repeatability. Ideal for applications requiring exceptional geometric accuracy, such as graphite electrodes, precision ceramic components, and high-spec insulating structures.
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Specialty
2 Flutes Flat End Mill Catalog
Total 8 Models-Unit(Mm)
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GRAS2 Milling Conditions
Notes：
*Use a milling machine dedicated for graphite;
*Recommend air blow for graphite.
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Read MoreFrequently Asked Questions
Q 1: What materials can a 2-flute graphite end mill machine?
A: A 2-flute graphite end mill is specifically designed for machining various graphite materials, including EDM graphite electrodes, fine-grain graphite, ultra-fine graphite, isotropic graphite, and carbon graphite components.
In addition to graphite, some diamond-coated graphite end mills can also be used for carbon-fiber composites, ceramic-filled materials, and other highly abrasive non-metallic materials. However, they are not recommended for machining steel, stainless steel, or titanium alloys.
Q 2: Why choose a 2-flute graphite end mill instead of a 4-flute end mill?
A: A 2-flute graphite end mill provides larger flute space, which helps evacuate graphite dust more efficiently during high-speed machining.
Compared with a 4-flute design, a 2-flute tool offers:
- Better chip and dust evacuation
- Lower cutting resistance
- Reduced heat generation
- Improved machining stability in deep cavities
- Lower risk of tool breakage in small diameters
For graphite electrode manufacturing, especially when machining narrow ribs and deep slots, 2-flute graphite end mills are often the preferred choice.
Q 3: Is diamond coating necessary for graphite machining?
A: Yes. Diamond coating is highly recommended for graphite machining.
Graphite is extremely abrasive and can rapidly wear uncoated carbide tools. A high-quality diamond-coated graphite end mill can provide:
- Significantly longer tool life
- Better wear resistance
- Consistent dimensional accuracy
- Improved surface finish
- Lower tooling costs per part
In many EDM electrode production environments, diamond-coated graphite end mills can last 10–20 times longer than uncoated carbide tools.
Q 5: How can I extend the service life of a graphite end mill?
A: To maximize the lifespan of a 2-flute graphite end mill, consider the following practices:
- Use diamond-coated tools whenever possible.
- Maintain efficient graphite dust extraction.
- Avoid excessive radial engagement.
- Use high-speed, low-load cutting strategies.
- Ensure proper tool runout control (preferably below 0.005 mm).
- Use high-precision collets or shrink-fit holders.
- Replace worn tools before severe edge degradation occurs.
In our experience machining EDM graphite electrodes, proper dust collection and runout control often have as much impact on tool life as the coating itself.