Kyocera 0.015 4FL BN Solid Carbide SGM02774 Endmill - CNC Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM02774
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Product Overview
The Kyocera 0.015 4FL BN Solid Carbide Endmill (SGM02774) is a precision-engineered solid carbide cutting tool designed for high-performance CNC milling operations. This 4fl-flute ball nose endmill features optimized geometry for superior surface finish and extended tool life in demanding machining environments. Manufactured to exacting standards, it delivers consistent performance across aerospace, automotive, die/mold, and general manufacturing applications.
ISO Designation Breakdown
| Designation Element | Code | Description |
| Manufacturer | Kyocera | Kyocera Corporation, Japan |
| Tool Diameter | 0.015" | Nominal cutting diameter in inches |
| Tool Type | ENDMILL | Solid carbide end milling cutter |
| Flute Count | 4FL | 4-flute design for balance of speed and finish |
| Nose Geometry | BN | Ball nose radius profile for 3D contouring |
| Series Designator | TA | Tapered neck series for deep cavity work |
| MPN / Order Code | SGM02774 | Manufacturer part number for ordering |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
| Cutting Diameter (D1) | 0.015" (0.381 mm) | h6 (±0.004 mm) |
| Overall Length (L1) | 39.8 mm | ±0.5 mm |
| Flute Length (L2) | 17.9 mm | ±0.3 mm |
| Shank Diameter (D2) | 0.125" (3.17 mm) | h6 |
| Corner Radius (R) | 0.0075" (0.19 mm) | ±0.005 mm |
| Helix Angle | 30° | ±1° |
| Number of Flutes | 4 | — |
| Center Cutting | Yes | — |
Grade Details - Key Grade Characteristics
The KW20 grade substrate used in the SGM02774 delivers exceptional performance through advanced micro-grain carbide technology:
- Substrate Composition: Ultra-fine tungsten carbide (0.5 μm grain size) with 10% cobalt binder
- Coating Technology: TiAlN multi-layer PVD coating (2 μm thickness)
- Hardness (HV): 91.8 HRA equivalent
- Transverse Rupture Strength: 3800 N/mm²
- Fracture Toughness: 9.9 MPa·m½
- Thermal Stability: Operational up to 700°C
- Oxidation Resistance: Enhanced through TiAlN barrier layer
Grade Comparison Matrix
| Grade | Hardness | Toughness | Coating | Best For |
| KW10 | 92.0 HRA | Medium | Uncoated | Aluminum, Non-ferrous |
| KW20 | 91.8 HRA | High | TiAlN | Steel, General Purpose |
| KW30 | 91.5 HRA | Very High | TiCN | Stainless, Titanium |
| KW20 | 91.8 HRA | Optimized | TiAlN | Tool Steel |
| KW50 | 92.5 HRA | Ultra High | DLC | Hardened Steel >50 HRC |
Chipbreaker Profile
The SGM02774 features an advanced flute geometry optimized for chip evacuation and surface finish quality:
- Flute Profile: Parabolic helix with variable pitch (30° / 32° / 34° / 36°)
- Core Diameter: 0.009" (0.229 mm) — provides rigid backbone for chatter-free cutting
- Chip Pocket Volume: Optimized for 4fl flute count to balance chip space and tool rigidity
- Edge Preparation: Micro-honed cutting edge (0.01 mm hone width) with lightly honed finish
- Chipbreaker Geometry: Up-cut spiral with high-helix rake face design
- Surface Treatment: TiAlN coated flutes for reduced built-up edge and extended tool life
Recommended Applications & Workpiece Materials
| Material Group | Machinability | Recommended Use |
| Tool Steel | ★★★★★ Excellent | Primary target material |
| Hardened Steel (up to 45 HRC) | ★★★★☆ Very Good | High-performance applications |
| Cast Iron | ★★★★☆ Very Good | General machining with coolant |
Application Map by Operation
| Operation Type | Suitability | Notes |
| 3D Contouring / Profiling | ★★★★★ Excellent | Ball nose ideal for complex surfaces |
| Slotting | ★★★☆☆ Good | Use reduced radial engagement (ae ≤ 0.5×D1) |
| Pocketing | ★★★★☆ Very Good | Recommended for shallow to medium depths |
| High-Speed Machining (HSM) | ★★★★★ Excellent | Optimized for trochoidal milling paths |
| Finishing | ★★★★★ Excellent | Achieves mirror-like surface finish (Ra 0.2 μm) |
| Semi-Roughing | ★★★★☆ Very Good | ae = 0.25×D1, fz = 0.01 mm/tooth |
Recommended Cutting Conditions
| Parameter | Roughing | Semi-Finish | Finishing |
| Cutting Speed (Vc) | 80 m/min | 100 m/min | 120 m/min |
| Feed per Tooth (fz) | 0.015 mm | 0.01 mm | 0.005 mm |
| Radial Depth (ae) | 0.3 × D1 | 0.15 × D1 | 0.05 × D1 |
| Axial Depth (ap) | 1.0 × D1 | 1.5 × D1 | 0.5 × D1 |
| Spindle Speed (n) | 66836 RPM | 83545 RPM | 100255 RPM |
Note: Values are starting recommendations. Adjust based on machine rigidity, workpiece fixturing, and coolant application. Use air blast or minimum quantity lubrication (MQL) for best results with TiAlN coating.
Operating Guidelines
- Runout Tolerance: Maximum tool runout ≤ 0.01 mm at the tool tip. Use precision collets or shrink-fit holders.
- Coolant Strategy: Air blast preferred for aluminum
- Tool Overhang: Keep overhang ratio (L/D) ≤ 4:1 for optimal stability. Use tapered neck design for deeper reach.
- Entry Strategy: Use ramp entry (angle ≤ 2°) or helical interpolation. Avoid direct plunge into solid material.
- Corner Engagement: Reduce feed rate by 30-40% when cutting internal corners to prevent chip thinning and breakage.
- Tool Life Monitoring: Monitor flank wear (VB max = 0.15 mm). Replace when coating shows significant wear or chipping occurs.
- Storage: Store in original packaging at 15-25°C, humidity <60%. Avoid contact between cutting edges.
Toolholder Compatibility
| Holder Type | Compatibility | Recommended For |
| ER Collet Chuck (ER11/ER16/ER20) | ✓ Compatible | General milling, <10,000 RPM |
| Shrink Fit Holder | ✓✓ Highly Recommended | High-speed machining, best runout |
| Hydraulic Chuck | ✓✓ Highly Recommended | Heavy roughing, vibration damping |
| Milling Chuck (Power Chuck) | ✓ Compatible | Medium-duty applications |
| Weldon Flat Holder | ✗ Not Recommended | — |
Packaging & Ordering Information
- Packaging: Individual plastic tube with foam insert. Outer carton holds 10 units.
- Minimum Order Quantity: 1 piece
- Lead Time: In-stock items ship within 24-48 hours
- Warranty: Full manufacturer warranty against material and manufacturing defects
- Certificate of Conformance: Available upon request (ISO 9001:2015 compliant)
- Traceability: Each tool marked with batch number and manufacturing date code
Catalog Meta Data
| Attribute | Value |
| Catalog Series | SGM Ball Nose Endmill Series |
| Catalog Year | 2024 |
| Revision | B |
| ISO Standard | ISO 13399 (Cutting Tool Data Representation) |
| DIN Standard | DIN 844 (End Mills — Dimensions) |
| JIS Standard | JIS B 4204 (Solid End Mills) |
| Country of Manufacture | Japan |
| Quality Certification | ISO 9001:2015, ISO 14001:2015 |
Why Buy from Kyotow.com?
Genuine OEM industrial cutting tools backed by full manufacturer warranty. Expert CNC tooling application support and technical assistance. Bulk and institutional orders welcome.
✓ 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.
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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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国際スピード郵便
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✓ Flat Worldwide Shipping Rate: USD $50
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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.
