4 flute solid carbide ball end mill Product Overview
JYC Carbide’s 4 flute solid carbide ball end mill is engineered for high-precision finishing, semi-finishing, and 3D contouring operations across a wide range of materials. With four cutting edges, this carbide ball nose milling cutter delivers superior surface finish, reduced chatter, and extended tool life compared to 2 flute ball nose carbide end mill alternatives — making it the preferred choice for die and mold shops, aerospace machining centers, and precision CNC workshops worldwide.
Manufactured from ultra-fine grain tungsten carbide (WC-Co) with strict dimensional tolerances to DIN standard h6, every tool is built for micron-level accuracy and repeatable performance across high-volume production runs.
4 flute solid carbide ball end mill Product Details
- Shank Dia (mm)：6mm 8mm 10mm 12mm 16mm 20mm 24mm 28mm 32mm 36mm
- Flute Dia.(mm)：1.5mm – 9 mm
- Cutting Length (mm)：6mm 8mm 10mm 12mm 16mm 20mm 24mm 28mm 32mm 36mm
- Overall Length (mm)：50mm 60mm 75mm 100mm
- Flutes：4 Flutes
- HRC：HRC 45 / 50
- MOQ：1 pcs (standard) / 1-50 pc (custom)
- Quality Standards: DIN 6537 and DIN 6535-HA
| Brand | JYC Carbide |
| Model NO. | 4 Flute Carbide ball end milling cutter |
| Product Item No. | JYC-NCG-4B-D6-18 |
| Material | Tungsten Carbide (WC-Co) |
| Material Cobalt Content | Available for 6%-12% Usually 10%,12% |
| Material Hardness HV30 | Available 1660-2000 Usually 1660, 1700, 1780 |
| Grade | YG6 / YG8 / YK20UF / YK25UF / YK30SF |
| Coating | TiAlN |
| Grain Size | 0.2-1.0um Usually 0.4um, 0.5um ,0.7um |
| Density | 14.2-14.90 g/cm3, usually 14.2g/cm3, 14.5g/cm3 |
| Tooth Form | Spiral Tooth |
| Tooth Space | Sparse Tooth |
| Inspection Type for Finished Products: | 100% inspection (Visual inspection & Function inspection) |
| Traceability of Raw Materials: | Yes |
| Tolerance | h6 |
| Customization: | Available |
| Laser Logo | Available |
| MOQ | 1 pcs (standard) / 1-50 pc (custom) |
| Lead Time | 3–5 days (standard) / 7–30 days (custom) |
| Certification | ISO 9001 / ISO 14001 / ISO 45001 / ISO 50001 / COC |
| Custom Service | OEM / ODM accepted |
Products Pictures
4 flute solid carbide ball end mill Available Size:
| NO. | Order Product No. | D (mm) | Handle D. (mm) | Cutting Length (mm) | Total Length (mm) | Flutes (Z) |
|---|---|---|---|---|---|---|
| 1 | JYC-NCG-4B-R1.5 | 3 | 6 | 6 | 50 | 4 |
| 2 | JYC-NCG-4B-R2.0 | 4 | 6 | 8 | 50 | 4 |
| 3 | JYC-NCG-4B-R2.5 | 5 | 6 | 10 | 50 | 4 |
| 4 | JYC-NCG-4B-R3.0 | 6 | 6 | 12 | 50 | 4 |
| 5 | JYC-NCG-4B-R4.0 | 8 | 8 | 16 | 60 | 4 |
| 6 | JYC-NCG-4B-R5.0 | 10 | 10 | 20 | 75 | 4 |
| 7 | JYC-NCG-4B-R6.0 | 12 | 12 | 24 | 75 | 4 |
| 8 | JYC-NCG-4B-R7.0 | 14 | 14 | 28 | 75 | 4 |
| 9 | JYC-NCG-4B-R8.0 | 16 | 16 | 32 | 100 | 4 |
| 10 | JYC-NCG-4B-R9.0 | 18 | 18 | 36 | 100 | 4 |
* Non-standard sizes available upon request. Contact us for custom specifications，We will feedback to you within 24 Hours.
Applicability for Materials
◎ = Perfect for ○ = Suit — = N/A
| Carbon Steel | Alloy Steel | Pre-hardened Steel / Hardened Steel | Stainless Steel | Cast Iron / Nodular Cast Iron | Copper Alloy | Aluminium Alloy | Titanium Alloy | Heat-resistant Alloy | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ~45HRC | ~50HRC | ~55HRC | ~68HRC | ||||||||
| ◎ | ◎ | ◎ | ○ | — | — | ○ | ◎ | — | — | — | — |
4 flute solid carbide ball end mill Key Features & Specifications
Our 4 flute carbide ball end mill is available in a comprehensive range of sizes to meet diverse machining requirements. For a full comparison of how to choose end mills by flute count, geometry, and application, see our technical guide.
3. Coating Options & Material Compatibility
Selecting the right coating is critical for maximizing tungsten carbide tool life and cutting performance. Our 4 flute carbide ball nose end mill is available in four coating configurations:
TiAlN Coating — Best for Hardened Steel & Mold Machining
Ideal for machining hardened steel up to HRC60, pre-hardened mold steels including H13 and P20, alloy steel, and gray cast iron. TiAlN coating offers excellent oxidation resistance up to 800°C, enabling dry or semi-dry cutting at high speeds. For a deeper comparison of carbide versus HSS performance in these conditions, see our guide on carbide vs HSS in milling.
AlTiN Coating — Best for Exotic Alloys & High-Temperature Materials
Recommended for Inconel, titanium alloys (Ti-6Al-4V), stainless steel, and cobalt-chrome. AlTiN provides superior hardness and thermal stability at extreme cutting temperatures, making it the top choice for aerospace and medical device machining. Explore our dedicated resource on carbide end mills for titanium for full parameter recommendations.
DLC Coating — Best for Non-Ferrous Materials
Diamond-like carbon (DLC) coating is optimized for aluminum alloys, copper, graphite, and CFRP. Its ultra-low friction coefficient prevents built-up edge (BUE) and delivers mirror-quality surface finishes.
Uncoated — Best for General Purpose & Soft Materials
Suitable for mild steel, plastics, wood, and general-purpose CNC milling where coating is not required.
4. Application Scenarios
The 4 flute solid carbide ball end mill excels across a wide range of demanding CNC machining applications:
Die & Mold Finishing
With four cutting edges and tight runout control (≤0.005mm), this tool delivers exceptional surface quality in die and mold finishing operations on hardened H13, P20, and NAK80 steels. Achieve Ra ≤ 0.4μm surface finish without secondary polishing.
3D Contouring & Complex Surface Machining
The ball nose geometry enables smooth 3D contouring on sculptured surfaces, curved profiles, and free-form geometries — critical in automotive body panels, turbine blades, and medical implant manufacturing.
Deep Cavity Mold Machining
Our 4 flute long shank ball nose end mill options (up to 150mm OAL) are specifically designed for deep cavity mold machining, maintaining rigidity and vibration resistance even at extended reach lengths.
Aerospace & High-Performance Alloys
AlTiN-coated variants are validated for machining Inconel 718, titanium Ti-6Al-4V, and other high-temperature superalloys used in aerospace structural components and engine parts.
General CNC Finishing & Semi-Finishing
Suitable for a broad range of everyday CNC finishing and semi-finishing tasks across steel, stainless steel, aluminum, and non-ferrous metals in general machining workshops.
5. Why Choose JYC Carbide
As a vertically integrated ISO 9001 certified carbide tool factory with over 60 years of manufacturing expertise, JYC Carbide offers unmatched advantages for global buyers. Learn more about our manufacturing advantages including equipment, certifications, and capacity.
Factory Direct Price
Sourcing our 4 flute carbide ball end mill direct from factory eliminates distributor markups, reducing your procurement cost . For guidance on evaluating suppliers, read our practical guide on how to find a reliable carbide cutting tool supplier in China.
World-Class Manufacturing Equipment
Every tool is produced on CNC grinding machines from Germany’s Walter, Australia’s ANCA, and Switzerland’s Rollomatic — guaranteeing micron-level precision and batch-to-batch consistency across all orders.
Full Traceability & Quality Assurance
Certified to ISO 9001, 14001, 45001, and 50001, our in-house lab conducts comprehensive testing covering magnetic properties, microstructure analysis, tool geometry, and edge precision. Every carbide ball nose end mill is fully traceable from raw material to finished product.
Trusted Global Exporter
Our 4 flute carbide ball end mill is exported to clients in Germany, USA, Japan, Italy, and Southeast Asia — trusted by 500+ buyers across 30 countries for reliable quality and on-time delivery.
6. OEM & Custom Carbide Ball End Mill Services
JYC Carbide supports full OEM customization to your exact drawing or sample. Browse our complete range of custom carbide products or submit your specifications directly for a free engineering review:
Dedicated engineering team for DXF/PDF drawing review and technical consultation
Custom diameter, ball radius, flute length, shank geometry, and neck relief
Special coatings and substrate grades available on request
MOQ as low as 10 pieces for custom orders
Standard stock items ship within 3–5 business days
Custom OEM/ODM orders completed in 7–15 business days
Free samples available for qualified buyers before bulk order
Packaging & Delivery
| Packaging | Individual plastic tube + foam box |
| Port | Shenzhen / Guangzhou /Shanghai |
| Lead Time | 3–5 days (in-stock) / 7–30 days (custom) |
| Shipping | DHL / FedEx / UPS / Sea freight |
FAQs
Q: What materials can this 4 flute carbide ball end mill cut?
A: Our 4 flute carbide ball end mill cuts a wide range of materials including hardened steel (up to HRC60), H13 and P20 mold steel, stainless steel, Inconel, titanium alloys, aluminum, copper, and graphite — depending on the coating selected.
Q: What is the difference between TiAlN and AlTiN coating?
A: TiAlN is optimal for hardened steel and mold machining up to HRC60, offering excellent oxidation resistance. AlTiN provides higher hardness and thermal stability, making it superior for exotic alloys like Inconel and titanium at extreme cutting speeds
Q: What is a 4 flute carbide ball end mill used for?
A: Ideal for 3D contouring, die & mold finishing, and curved surface machining on hardened steel, stainless steel, titanium, and Inconel.
A VISIBLE QUALITY. YOU CAN BE TRUSTED.
01
Please confirm the tool size, coating type, and material compatibility before placing an order.
02
Carbide end mills are fragile – avoid impact and store them in a dry, secure place.
03
Ensure proper cutting parameters (speed, feed, depth) for best performance and tool life.
04
Wear safety protection (goggles, gloves) when operating cutting tools.
05
If you’re not sure which type to choose, feel free to contact us for professional recommendations.
Purchase Information
After-sales Support: We offer technical guidance and quick response for any product or usage concerns.
MOQ & Customization: Most models are in stock. Custom logo, size, or packaging is available – please consult before ordering.
Shipping: We support express, air, and sea shipping. Delivery time may vary by region and quantity.
Quality Assurance: All tools are inspected before shipment. We provide SGS and ISO certificates upon request.
Returns & Warranty: Defective or damaged products due to manufacturing issues can be replaced.
Shipping Terms
If you have any special requirements on packing, please contact us for shipping cost and lead time. See our general Shipping & Return Policy for details.
TiAlN 4 Flute Solid Carbide Ball End Mill | JYC Carbide
4 flute solid carbide ball end mill for die, mold & hardened steel HRC60. TiAlN/AlTiN coated. DIN h6 tolerance. MOQ 10pcs. ISO 9001 factory direct. Free sample.
Product SKU: JYC-NCG-4B-D6-18
Product Brand: JYC Carbide
Product Currency: USD
Product Price: 5
Price Valid Until: 2036-12-12
Product In-Stock: InStock
4.93
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