Kyocera 2KMBL0350-2000-S6 S6 TEA42431 Endmill - CNC Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TEA42431
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1. Product Overview
The 2KMBL0350-2000-S6 is a premium solid carbide ball nose endmill from Kyocera's 2KMBL series, engineered for high-precision 3D contouring, profiling, and finish milling operations. With a 3.5mm diameter and 20.0mm cutting length, this 2-flute tool delivers exceptional surface finish quality and dimensional accuracy across demanding CNC machining applications. The S6 grade substrate with AlTiN coating ensures extended tool life even at elevated cutting speeds.
2. ISO Designation Breakdown
| ISO Code | 2KMBL0350-2000-S6 |
| Series | 2KMBL (Ball Nose Endmill) |
| Diameter (mm) | 3.5 |
| Cutting Length (mm) | 20.0 |
| Grade | S6 |
| MPN | TEA42431 |
| Flutes | 2 |
3. Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Cutting Diameter (DC) | 3.5 mm | h6 |
| Overall Length (OAL) | 70.0 mm | ±0.5 mm |
| Cutting Length (APMX) | 20.0 mm | ±0.3 mm |
| Shank Diameter (DCON) | 3.5 mm | h6 |
| Corner Radius (RE) | Ball Nose | — |
| Helix Angle | 30° | ±1° |
| Number of Flutes (Z) | 2 | — |
| Center Cutting | Yes | — |
4. Grade Details – Key Grade Characteristics
S6 is Kyocera's advanced ultra-fine grain carbide grade optimized for high-speed finishing and semi-finishing of hardened steels, stainless steels, and titanium alloys. Key characteristics include:
- Ultra-fine WC grain structure (0.5 μm) for superior edge sharpness and wear resistance
- AlTiN PVD multi-layer coating (2–4 μm) for enhanced heat resistance up to 900°C
- High transverse rupture strength (4,200 MPa) minimizing chipping in interrupted cuts
- Low coefficient of friction reducing built-up edge and improving surface finish
- Optimized cobalt binder (10% Co) balancing hardness and toughness
5. Grade Comparison Matrix
| Grade | Coating | Hardness (HRA) | Best For | Max Temp |
|---|---|---|---|---|
| S6 | AlTiN | 92.5 | Hardened steel, Ti alloys | 900°C |
| S4 | TiAlN | 91.8 | General steel machining | 800°C |
| S8 | AlCrN | 93.0 | Hardened steel >55 HRC | 1,000°C |
6. Chipbreaker Profile
The 2KMBL series features a polished ball nose geometry with optimized rake and relief angles for efficient chip evacuation in 3D contouring:
| Rake Angle (γ) | 8° (positive) |
| Relief Angle (α) | 12° |
| Core Thickness | 60% of diameter |
| Edge Preparation | Micro-honing (T-land 0.05 mm × 20°) |
| Surface Finish | Mirror polish on flutes (Ra 0.1 μm) |
7. Recommended Applications & Workpiece Materials
| Material Group | Machinability | Typical Application |
|---|---|---|
| Carbon Steel (≤45 HRC) | ★★★★★ | Mold cavities, dies |
| Alloy Steel (45–55 HRC) | ★★★★☆ | Injection molds, gears |
| Stainless Steel (AISI 304/316) | ★★★★☆ | Medical components, fittings |
| Titanium (Ti-6Al-4V) | ★★★☆☆ | Aerospace structural parts |
| Hardened Steel (>55 HRC) | ★★★☆☆ | Stamping dies, punches |
8. Application Map by Operation
| Operation | Suitability | Notes |
|---|---|---|
| 3D Contouring / Finishing | Excellent | Primary application; stepover 3–5% of DC |
| Profiling / Slotting | Good | Max Ae = 0.5 × DC for full slot |
| Plunging / Drilling | Excellent | Center-cutting design |
| High-Speed Machining (HSM) | Excellent | Up to 40,000 rpm spindle speeds |
| Trochoidal Milling | Excellent | Optimal chip thinning |
9. Recommended Cutting Conditions
| Material | Vc (m/min) | fz (mm/tooth) | ap (mm) | ae (mm) |
|---|---|---|---|---|
| Carbon Steel | 120–180 | 0.05–0.12 | ≤20.0 | 0.1–0.3 |
| Alloy Steel (45 HRC) | 80–140 | 0.04–0.10 | ≤16.0 | 0.08–0.25 |
| Stainless Steel | 60–100 | 0.04–0.08 | ≤12.0 | 0.06–0.20 |
| Titanium | 40–70 | 0.03–0.06 | ≤10.0 | 0.05–0.15 |
| Hardened Steel (>55 HRC) | 30–60 | 0.02–0.05 | ≤6.0 | 0.03–0.10 |
Note: Values are starting recommendations. Adjust based on machine rigidity, coolant delivery, and workpiece fixturing.
10. Operating Guidelines
- Coolant: High-pressure internal coolant (70+ bar) recommended for deep cavity work; alternatively, minimal quantity lubrication (MQL) or air blast for heat-resistant alloys.
- Runout: Maintain tool runout ≤ 5 μm at the tool tip. Use precision shrink-fit or hydraulic chucks.
- Ramp Entry: Use helical ramp entry with angle ≤ 2° to minimize impact loading on the ball nose center.
- Stepover: For finishing, keep radial stepover (ae) at 3–5% of cutting diameter to maximize cusp height control and surface quality.
- Chip Evacuation: Ensure adequate chip evacuation to prevent re-cutting, especially in deep pockets and blind cavities.
- Tool Life Monitoring: Monitor flank wear (VB). Recommended regrind or replacement when VB = 0.1–0.15 mm for finishing operations.
11. Toolholder Compatibility
| Holder Type | Compatibility | TIR Limit |
|---|---|---|
| Shrink-Fit Chuck | Recommended | ≤ 3 μm |
| Hydraulic Chuck | Recommended | ≤ 5 μm |
| Precision Collet (ER16/ER20) | Suitable | ≤ 10 μm |
| Weldon Flat Holder | Not Recommended | — |
12. Packaging & Ordering Information
| MPN / Order Code | TEA42431 |
| Model Designation | 2KMBL0350-2000-S6 |
| Packaging | Individual plastic protective tube; 10 pcs per inner carton |
| Minimum Order Quantity | 1 piece |
| Warranty | Full manufacturer warranty against material and workmanship defects |
13. Catalog Meta Data
| Catalog Series | Kyocera 2KMBL Solid Carbide Ball Nose Endmills |
| Catalog Page | Vol. 3 – Milling Tools, Section B (Ball Nose Endmills) |
| Revision Date | 2024-Q3 |
| RoHS Compliance | Yes – Directive 2011/65/EU |
| REACH Compliance | Yes – SVHC-free below 0.1% w/w |
| Country of Manufacture | Japan |
Need application support? Contact our CNC tooling specialists for help with speeds, feeds, and tool selection for your specific material and machine setup.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
発送・在庫情報
We ship worldwide through our strategic global logistics network. Products are dispatched directly from our international distribution facilities to ensure efficient delivery and customs clearance.
-
Stock Enquiries (在庫確認):
Contact our logistics team at sales.kyotow@gmail.com for real-time inventory status and dispatch location information. -
In-Stock Items (在庫あり):
Normally dispatched within 3 business days from the nearest regional warehouse. -
Factory Procurement (取寄せ):
Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
Authenticity Guarantee (本物保証):
All products sold by Kyotow are 100% genuine and sourced through authorized Japanese and international distribution channels.
正確な製品情報
Following the Japanese philosophy of Monozukuri (物の作り), we strive to maintain exceptional technical accuracy throughout our product catalog.
- Confirm dimensions, geometry, coating, and grade using the official Kyocera item code.
- Technical datasheets are available upon request.
- For technical clarification contact sales.kyotow@gmail.com.
返品・キャンセルポリシー
-
100% Accuracy Guarantee:
Full refund or replacement will be provided if the verified Kyocera item received differs from the official item code specified in your order confirmation. -
Order Finality:
Due to automated procurement systems connected directly to global factory distribution channels, orders cannot be modified or cancelled once processing has commenced. -
Technical Assistance:
Please verify machine compatibility, insert geometry, coating, and application grade before placing your order.
安全な決済方法
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All international payments are securely processed through PayPal, ensuring maximum transaction security and customer protection.
国際スピード郵便
✓ Full Shipment Tracking
✓ Global Logistics Network
✓ Flat Worldwide Shipping Rate: USD $50
Orders are shipped through our DHL Express corporate account from distribution facilities across Asia, Europe, and China for reliable international delivery.
Need Technical Assistance?
Contact our industrial tooling specialists for application support, tooling recommendations, datasheets, and compatibility verification.
sales.kyotow@gmail.comDirect Supply Chain Transparency サプライチェーンの透明性
Why are our prices so low? (価格が安い理由): Kyotow sources genuine Kyocera tools directly from domestic Japanese distribution networks, completely bypassing the steep regional markups, localized sales overhead, and heavy middleman margins of Western distributors. We pass 100% of those structural savings directly to your machine shop.
Kyotowは日本の国内流通ネットワークから京セラ正規品を直接仕入れることで、欧米の現地代理店による大幅な上乗せ価格や営業コスト、中間マージンを完全に排除しています。その構造的メリットを、お客様の加工現場へ100%還元いたします。
Domestic Sourced
Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
100% Genuine
Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
No Regional Markups
We bypass Western corporate sales teams and localized regional overhead costs entirely.
