Kyocera 2KMB0100-0150-S4 MEGACOAT TEA42327 BALL ENDMILL - 3D Finishing
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TEA42327
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1. Product Overview
The 2KMB0100-0150-S4 is a precision-engineered 2-flute solid carbide ball nose from Kyocera, featuring the industry-proven MEGACOAT PVD coating. Engineered to minimise cusp height and reduce secondary polishing operations. With a ball radius of 5.0 mm (Ø10.0 mm ball diameter) and a length of cut of 15.0 mm, this endmill is purpose-built for high-precision 3D contouring, mold finishing, and complex surface machining across a broad spectrum of workpiece materials. The ball nose geometry and 30° helix angle ensure minimal cutting forces, superior surface finish, and extended tool life in demanding CNC environments.
2. ISO Designation Breakdown
The Kyocera solid endmill designation system decodes as follows:
| Position | Code | Meaning |
|---|---|---|
| (1) Flutes | 2 | 2 Flutes |
| (2) Form | B | B — Ball Nose Endmill |
| (3) Helix | E | E — 30° Helix Angle |
| (4) Edge | S | S — Sharp Corner Edge |
| (5) Length | M | M — Medium Length of Cut |
| (6) ØDc | 1000 | 1000 — 10.0 mm Ball Diameter (5.0 mm R) |
| (7) LoC | 150 | 150 — 15.0 mm Length of Cut |
| (8) Shank | S4 — 4 mm Shank Diameter | S4 — 4 mm Shank Diameter |
3. Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Ball Diameter (Dc) | 10.0 mm | h10 |
| Ball Radius (R) | 5.0 mm | ±0.005 mm |
| Length of Cut (ap) | 15.0 mm | +0.3 / −0.0 mm |
| Neck Diameter | 10.0 mm | h11 |
| Shank Diameter (Dsh) | 4 mm | h6 |
| Overall Length (L) | 57 mm | ±0.5 mm |
| Number of Flutes (Z) | 2 | — |
| Helix Angle | 30° | ±1° |
| Radial Rake Angle | +8° | ±1° |
| Axial Rake Angle | +5° | ±1° |
| Ball Accuracy | ±0.005 mm | — |
4. Grade Details — Key Grade Characteristics
The MEGACOAT grade applied to the 2KMB0100-0150-S4 is a multi-layer PVD (Physical Vapor Deposition) coating engineered specifically for general-purpose milling operations. It combines a super micro-grain carbide substrate with an advanced TiAlN-based coating structure to deliver exceptional performance across steel, stainless steel, and cast iron.
- Substrate: Super micro-grain cemented carbide (0.5 μm grain size) for high hardness and fracture resistance.
- Coating: Multi-layer TiAlN PVD coating with oxidation temperature exceeding 1,100°C.
- Hardness: Coating hardness ~3,300 HV; substrate hardness ~1,600 HV.
- Thermal Stability: Stable cutting edge up to 800°C in dry machining conditions.
- Surface Finish: Mirror-polished flute surface reduces built-up edge (BUE) and improves chip flow.
5. Grade Comparison Matrix
| Characteristic | MEGACOAT (This Tool) | MEGACOAT NANO | MEGACOAT HARD |
|---|---|---|---|
| Primary Application | General Milling | High-Efficiency Milling | Hard Materials >50 HRC |
| Coating Type | TiAlN PVD | Nano-Layered PVD | Multi-Layer CVD/PVD |
| Oxidation Temp. | 1,100°C | 1,150°C | 1,200°C |
| Coating Hardness | ~3,300 HV | ~3,500 HV | ~3,700 HV |
| Best For Steel | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Best For Stainless | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Best For Cast Iron | ★★★★★ | ★★★★☆ | ★★★★★ |
| Best For Hardened Steel | ★★★☆☆ | ★★★★☆ | ★★★★★ |
| Surface Finish | ★★★★★ | ★★★★☆ | ★★★☆☆ |
6. Chipbreaker Profile
As a solid carbide ball nose endmill, the 2KMB0100-0150-S4 does not utilise an indexable insert chipbreaker. Instead, chip control is achieved through precision-ground flute geometry and variable helix design:
- Flute Profile: Parabolic flute form with polished rake face for efficient chip curling and evacuation.
- Chip Thinning: The 30° helix angle promotes gradual chip thinning, reducing cutting forces and heat generation.
- Chip Evacuation: Wide, polished flutes accommodate 15.0 mm depth of cut without chip packing, even in ductile materials like stainless steel.
- Edge Preparation: Micro-honed cutting edge (0.01–0.02 mm) balances sharpness with edge stability, minimising burr formation.
7. Recommended Applications & Workpiece Materials
| Workpiece Material | Suitability | Notes |
|---|---|---|
| Carbon Steel (P1–P3) | Excellent | Ideal for general 3D contouring and finishing operations. |
| Alloy Steel (P4–P5) | Excellent | Stable performance across medium to high cutting speeds in die and mold applications. |
| Cast Iron (K1–K3) | Very Good | High wear resistance ensures long tool life in abrasive environments. |
| Stainless Steel (M1–M2) | Good | Use water-soluble coolant for optimal chip evacuation and surface finish. |
| Hardened Steel ≤45 HRC (H1–H2) | Good | Suitable for semi-finishing and finishing passes on pre-hardened mold steels. |
8. Application Map by Operation
| Operation | Suitability | Recommended Parameters | Remarks |
|---|---|---|---|
| 3D Contour Finishing | ★★★★★ | ae = 0.05–0.15×Dc; ap = 0.1–0.3×Dc | Primary application; excellent surface quality on complex curves. |
| Mold Cavity Finishing | ★★★★★ | ae = 0.05–0.1×Dc; ap = 0.2–0.5×Dc | Ball radius ensures accurate reproduction of cavity geometry. |
| Die Surface Finishing | ★★★★☆ | ae = 0.1–0.2×Dc; ap = 0.3–0.5×Dc | Consistent cusp height across large die surfaces. |
| Rib & Thin-Wall Milling | ★★★★☆ | ae = 0.02–0.05×Dc; ap = 0.5–1.0×Dc | Low cutting forces prevent deflection on thin features. |
| Plunge Milling | ★★☆☆☆ | Not recommended | 2-flute ball nose design not suitable for direct plunging. |
9. Recommended Cutting Conditions
Values below are starting recommendations for stable CNC machining. Adjust according to machine rigidity, workpiece fixture, and coolant delivery.
| Workpiece Material | Vc (m/min) | fz (mm/tooth) | 3D Contour RPM | Cavity Finishing RPM |
|---|---|---|---|---|
| Carbon Steel | 60–100 | 0.03–0.08 | 6,000–10,000 | 4,000–6,000 |
| Alloy Steel | 50–90 | 0.03–0.08 | 6,000–10,000 | 4,000–6,000 |
| Stainless Steel | 40–60 | 0.02–0.05 | 3,600–6,000 | 2,400–3,600 |
| Cast Iron | 80–120 | 0.04–0.10 | 6,000–10,000 | 4,000–6,000 |
Note: For stainless steel and titanium alloys, water-soluble coolant is strongly recommended to prevent built-up edge and extend tool life.
10. Operating Guidelines
- Run-Out Check: Ensure total indicator run-out (TIR) at the tool tip does not exceed 0.01 mm. Excessive run-out reduces tool life and surface quality.
- Coolant Strategy: Apply water-soluble coolant at 6–8% concentration for steel and stainless steel. For cast iron, compressed air or minimum quantity lubrication (MQL) is acceptable.
- Step-Over (ae): In 3D contouring, maintain step-over between 0.05×Dc and 0.15×Dc for optimal surface finish. Smaller step-overs produce finer cusp heights.
- Entry Strategy: Use helical or ramp entry rather than direct plunging. The 2KMB series is not centre-cutting.
- Tool Overhang: Minimise overhang to improve rigidity. Use the shortest possible toolholder or collet chuck. For long-neck tools, ensure holder engagement is at least 2×shank diameter.
- Speed & Feed Ramp: Start at 70% of recommended Vc and fz, then gradually increase to maximum after confirming stable chip formation and sound.
11. Toolholder Compatibility
| Holder Type | Shank Ø | Compatibility | Recommendation |
|---|---|---|---|
| ER Collet Chuck | 4 mm | ER11 / ER16 / ER20 | Use high-precision collet (AA grade) for best run-out control. |
| Hydraulic Chuck | 4 mm | Hydro-lock 4 mm | Excellent damping; ideal for finishing operations. |
| Shrink Fit Holder | 4 mm | HSK-A50 / BT30 | Best rigidity for high-speed machining; TIR < 0.003 mm. |
| Endmill Holder | 4 mm | Weldon / Whistle Notch | Suitable for heavy-duty roughing; ensure set-screw does not mar shank. |
12. Packaging & Ordering Information
- Packaging Unit: 1 piece per sealed plastic tube with protective end caps.
- MPN (Manufacturer Part Number): TEA42327
- Model Code: 2KMB0100-0150-S4
- Brand: Kyocera Precision Tools
- Country of Manufacture: Japan
- Minimum Order Quantity: 1 piece
- Stock Status: In Stock — available for immediate dispatch.
13. Catalog Meta Data
| Attribute | Value |
|---|---|
| Catalog Series | 2KMB — Ball Nose Endmill (Standard) |
| Catalog Page Reference | L12–L13 (Kyocera Round Tools Digest Catalog) |
| Tool Category | Solid Carbide Endmill — Ball Nose, 2-Flute, Sharp Corner |
| Coating Family | MEGACOAT (General Milling) |
| Substrate Grade | Super Micro-Grain Carbide |
| Application Group | P (Steel), K (Cast Iron), M (Stainless Steel) |
| Surface Finish Capability | Ra 0.2–0.6 μm (depending on material and parameters) |
| Tool Life Indicator | High — MEGACOAT coating extends life by up to 40% vs. uncoated carbide. |
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
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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
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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.
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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.
