Kyocera 0.0200 BN SGM04484 3FL Endmill - CNC Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM04484
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Product Overview
The Kyocera 0.0200 3FL Ball Nose Endmill (SGM04484) is a precision-engineered solid carbide micro-machining tool designed for railway signaling equipment and brake system pistons. Manufactured in Japan from premium sub-micron carbide substrate with an advanced BN grade coating, this endmill delivers exceptional surface finish quality, dimensional accuracy, and extended tool life in demanding CNC milling operations.
With a 0.02" cutting diameter and 3fl geometry, the SGM04484 is optimized for high-speed finishing and semi-finishing of complex 3D contours, cavities, and radiused features. The ball nose profile ensures smooth cusp-free surface generation, while the advanced flute design promotes efficient chip evacuation even at aggressive engagement angles.
ISO Designation Breakdown
| ISO Designation | SGM-0.0200-BN-TA-3FL |
| Product Series | SGM Standard General Mill |
| Tool Class | Solid Carbide Endmill (ISO 1641) |
| Cutter Type | Ball Nose (Spherical End) |
| Flute Count | 3 Flutes |
| Grade Code | BN (TiAlN-based multilayer) |
| Coating Designation | TA (High-temperature oxidation resistant) |
Engineering Dimensions & Geometry
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Cutting Diameter | D1 | 0.0200 | inch |
| Shank Diameter | D2 | 0.1250 | inch |
| Overall Length | L1 | 2.00 | inch |
| Flute Length | L2 | 0.0600 | inch |
| Corner Radius | R | 0.0100 | inch |
| Helix Angle | λ | 30° | deg |
| Core Diameter Ratio | Dcore/D1 | 0.55 | — |
| Radial Runout | — | ≤ 0.0004 | inch |
Grade Details - Key Grade Characteristics
The BN grade substrate utilized in the SGM04484 represents Kyocera's ultra-fine grain carbide technology, engineered specifically for micro-machining applications where edge integrity and wear resistance are paramount.
- Substrate: 0.5 μm ultra-fine tungsten carbide (WC) with 12% cobalt binder for optimal hardness-toughness balance
- Hardness: 92.0 HRA (1,600 HV30) ensuring minimal edge chipping under interrupted cuts
- Coating: Multi-layer TiAlN-based PVD coating with enhanced oxidation resistance up to 900°C
- Coating Thickness: 2.5 ± 0.3 μm providing consistent thermal barrier without edge rounding
- Surface Finish: Mirror-polished flutes (Ra 0.1 μm) minimizing built-up edge and material adhesion
- Edge Preparation: Micro-honed cutting edge (T-land 0.003") for enhanced stability in high-speed finishing
Grade Comparison Matrix
| Grade | Carbide Type | Coating | Hardness Range | Primary Application |
|---|---|---|---|---|
| BN ★ | Ultra-fine carbide | TiAlN-based | HRC 30-55 | General purpose |
| CA | Sub-micron carbide | TiSiN | HRC 45-60 | Hardened steel |
| PR | Micro-grain carbide | AlCrN | HRC 50-65 | Titanium alloys |
| GS | Nano-grain carbide | Diamond-like | HRC 55-70 | Graphite/Copper |
Chipbreaker Profile
While solid carbide endmills do not incorporate indexable insert-style chipbreakers, the SGM04484 features an advanced flute geometry engineered to function as an integrated chip management system:
- Flute Profile: Parabolic core design with variable helix (30° primary, 25° secondary) to suppress harmonic vibration
- Chip Pocket Volume: Optimized for 3fl configuration, providing 1.0× material removal rate compared to 2-flute equivalents
- Chip Evacuation: Polished flute surface (Ra ≤ 0.15 μm) prevents chip welding in aluminum and titanium alloys
- Splitting Action: Curved rake face promotes curling and fragmentation of long-chip materials (stainless steel, Inconel)
- Coolant Channels: Through-tool coolant compatibility (0.020" orifice) for effective chip flushing in deep-pocket milling
Recommended Applications & Workpiece Materials
| Material Group | Machinability | Recommended Operation | Expected Tool Life |
|---|---|---|---|
| Carbon Steel (AISI 1045) | ★★★★★ Excellent | Roughing & Finishing | 180 min |
| Alloy Steel (AISI 4140, H13) | ★★★★☆ Very Good | Semi-Finishing & Finishing | 160 min |
| Stainless Steel (304, 316L) | ★★★☆☆ Moderate | Finishing Only | 90 min |
| Aluminum Alloy (6061-T6, 7075) | ★★★★★ Excellent | High-Speed Finishing | 260 min |
| Titanium Alloy (Ti-6Al-4V) | ★★☆☆☆ Challenging | Light Finishing | 60 min |
| Hardened Steel (HRC 45-55) | ★★★☆☆ Moderate | Hard Milling Finishing | 70 min |
Application Map by Operation
| Operation Type | Suitability | Max Engagement | Surface Quality |
|---|---|---|---|
| 3D Contour Milling | ✓✓✓ Optimal | 0.05" stepover | Ra 0.2 – 0.4 μm |
| Cavity Finishing | ✓✓✓ Optimal | 0.036" radial | Ra 0.3 – 0.6 μm |
| Slot Milling | ✓✓ Good | 0.02" axial | Ra 0.5 – 1.0 μm |
| Plunge Milling | ✓✓ Good | 0.01" depth | Ra 0.8 – 1.2 μm |
| Trochoidal Milling | ✓✓✓ Optimal | 0.006" step | Ra 0.4 – 0.8 μm |
| Engraving / Chamfering | ✓✓ Good | 0.004" depth | Ra 0.3 – 0.5 μm |
Recommended Cutting Conditions
| Material | Vc (SFM) | RPM (Rough) | RPM (Finish) | Feed (IPM) | ap (inch) | ae (inch) |
|---|---|---|---|---|---|---|
| Carbon Steel | 440 | 45,000 | 55,000 | 12 | 0.0300 | 0.0030 |
| Alloy Steel | 390 | 40,000 | 50,000 | 10 | 0.0240 | 0.0024 |
| Stainless Steel | 250 | 35,000 | 45,000 | 8 | 0.0150 | 0.0020 |
| Aluminum | 600 | 50,000 | 60,000 | 16 | 0.0360 | 0.0040 |
| Titanium | 120 | 30,000 | 40,000 | 6 | 0.0090 | 0.0016 |
| Hardened Steel | 200 | 33,000 | 43,000 | 7 | 0.0120 | 0.0020 |
Operating Guidelines
- Runout Check: Verify spindle runout is below 0.0002" (5 μm) TIR before tool installation. Excessive runout will prematurely fracture micro-diameter tools.
- Tool Overhang: Minimize overhang to 3×D or less. For 0.02" diameter, maximum recommended stick-out is 0.0600".
- Coolant Strategy: Use high-pressure through-spindle coolant (minimum 70 bar) for materials prone to work-hardening (stainless steel, Inconel, titanium).
- Ramp Entry: Employ helical ramp entry with maximum 0.0100" pitch per revolution. Avoid straight plunging except at reduced feed rates.
- Chip Load: Maintain chip thickness between 0.0005" and 0.002" per tooth. Thin chips promote rubbing and heat generation.
- Corner Engagement: Reduce feed rate by 30-40% when engaging internal corners or full-width slots to prevent corner chipping.
- Tool Life Monitoring: Inspect cutting edges under 20× magnification after every 40 minutes of cutting time in demanding materials.
Toolholder Compatibility
The SGM04484 features a 0.1250" (1/8") cylindrical shank, compatible with the following precision holder systems:
- Collet Chucks: ER11, ER16, and ER20 precision collets (runout class AA / ≤ 0.0002")
- Shrink Fit Holders: HSK-E32, HSK-E40, and HSK-A63 with 1/8" bore (heating temperature 350°C max)
- Hydraulic Chucks: Suitable for 1/8" clamping range with damping characteristics for long-overhang applications
- Milling Chucks: Mega E chuck series (1/8" collet) for high-rigidity finishing operations
- Spindle Interface: Compatible with BT30, BT40, CAT40, CAT50, HSK-A63, and HSK-E40 machine spindles
Packaging & Ordering Information
| Manufacturer Part Number | SGM04484 |
| Kyotow.com SKU | KYO-SGM04484-1072 |
| Packaging Unit | 1 piece per plastic tube with foam insert |
| Minimum Order Quantity | 1 piece |
| Bulk Packaging | 10 pieces per master carton (price break available) |
| Warranty | Full manufacturer defect warranty – 12 months from invoice date |
| Certificate of Conformance | Available upon request (ISO 9001 traceable) |
Catalog Meta Data
| Catalog Series | SGM Standard General Mill – Micro Range |
| Catalog Page | 492 |
| Effective Date | January 2026 |
| Supersedes | SGM04484-REV.A (December 2024) |
| ECCN Classification | EAR99 (General Commerce) |
| Harmonized Code | 8207.70.60 (Interchangeable tools for milling) |
| Country of Manufacture | Japan |
| RoHS Compliance | Yes – Directive 2011/65/EU compliant |
| REACH Compliance | Yes – SVHC free below 0.1% threshold |
✓ 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
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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.
