Kyocera 3/8 ENDMILL 5FL 0.090R TA SGS38825
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGS38825
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1. Product Overview
The Kyocera SGS38825 is a premium solid carbide end mill engineered for high-performance CNC milling operations. Featuring a 3/8" (9.525 mm) cutting diameter with 5 flutes and a 0.090" corner radius, this tool is part of Kyocera's TA series and is designed to deliver exceptional metal removal rates, superior surface finish, and extended tool life across a broad range of ferrous and non-ferrous workpiece materials. The robust core geometry and advanced carbide substrate make it ideal for dynamic milling, slotting, profiling, and finishing in aerospace, automotive, die/mold, and general manufacturing environments.
2. ISO Designation Breakdown
| ISO Designation | Tool Type | Size | Grade Class | Manufacturer Code |
|---|---|---|---|---|
| 3/8" × 5FL × 0.090R × TA | Solid Carbide End Mill | 3/8" (9.525 mm) | TA Carbide Grade | SGS38825 |
3. Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
|---|---|---|
| Cutting Diameter (Dc) | 3/8" (9.525 mm) | +0.000 / -0.010 mm |
| Shank Diameter (Dsh) | 3/8" (9.525 mm) | h6 (-0.009 / -0.021 mm) |
| Overall Length (L) | 2.500" (63.50 mm) | ±0.50 mm |
| Flute Length (L1) | 0.625" (15.875 mm) | ±0.20 mm |
| Corner Radius (R) | 0.090" (2.286 mm) | ±0.025 mm |
| Number of Flutes (Z) | 5 | — |
| Helix Angle | 35° | ±2° |
| Core Diameter | 0.230" (5.84 mm) | ±0.05 mm |
| Relief Angle | 12° | ±1° |
4. Grade Details - Key Grade Characteristics
The TA carbide grade combines an ultra-fine submicron carbide substrate with a high-performance PVD coating, delivering an outstanding balance of hardness, toughness, and thermal stability. This grade is optimized for high-speed machining of steels, stainless steels, and cast irons, offering excellent wear resistance and edge integrity under aggressive cutting conditions.
| Property | TA Grade Specification |
|---|---|
| Coating | AlTiN (Aluminium Titanium Nitride) PVD |
| Hardness | 92.0 HRA |
| Grain Size | 0.5 μm (ultra-fine) |
| Rupture Strength | 3.5 GPa |
| Key Performance | High wear resistance, thermal stability, and superior finish on alloy and stainless steels |
5. Grade Comparison Matrix
| Performance Attribute | TA Grade | PR630 Grade | TB Grade |
|---|---|---|---|
| Wear Resistance | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Heat Resistance | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Toughness | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Finish Quality | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Versatility | ★★★★★ | ★★★★☆ | ★★★☆☆ |
6. Chipbreaker Profile
The SGS38825 employs an advanced variable flute geometry and optimised gashing designed to break chips into manageable lengths and evacuate them rapidly from the cutting zone. This profile minimises chip recutting, reduces heat buildup, and preserves surface integrity, especially during high-feed slotting and profiling of ductile materials.
- Variable helix angles disrupt harmonic vibrations and improve chip thinning
- Polished flute surfaces reduce friction and enhance chip evacuation
- Positive radial rake lowers cutting forces and improves workpiece finish
- Corner radius design distributes load and extends usable edge length
- Centre cutting capability permits vertical plunging and helical interpolation
7. Recommended Applications & Workpiece Materials
| Material Group | Machinability | Recommended |
|---|---|---|
| Carbon / Mild Steel | Good | ✓ Yes |
| Alloy Steel (≤45 HRC) | Good | ✓ Yes |
| Stainless Steel (Austenitic) | Moderate | ✓ Yes |
| Cast Iron | Good | ✓ Yes |
| Aluminium Alloys | Excellent | ○ Limited |
| Hardened Steel (45-55 HRC) | Moderate | △ With Caution |
| Titanium Alloys | Difficult | △ With Caution |
| Heat-Resistant Superalloys | Difficult | △ With Caution |
8. Application Map by Operation
| Operation | Suitability | Notes |
|---|---|---|
| Shoulder Milling | ★★★★★ | Excellent wall finish and stability |
| Slotting | ★★★★☆ | Use climb milling where possible |
| Profiling | ★★★★★ | Ideal for complex 2D/3D contours |
| Ramp / Helical Interpolation | ★★★★☆ | Centre cutting capability enables ramp entry |
| Pocketing | ★★★★★ | High material removal with clean corners |
| Finishing | ★★★★★ | Corner radius improves tool life and surface finish |
| Roughing | ★★★★☆ | Use light radial engagement for best results |
| Plunging | ★★★☆☆ | Reduce feed by 50% during plunge |
9. Recommended Cutting Conditions
| Material | Cutting Speed Vc | Feed Rate fn | Coolant |
|---|---|---|---|
| Mild Steel (≤200 HB) | 120-180 m/min | 0.10-0.18 mm/tooth | Air / Emulsion |
| Alloy Steel (200-300 HB) | 80-140 m/min | 0.08-0.15 mm/tooth | Emulsion / Through-spindle |
| Stainless Steel | 60-100 m/min | 0.08-0.12 mm/tooth | High-pressure coolant |
| Cast Iron | 100-160 m/min | 0.10-0.18 mm/tooth | Air blast preferred |
| Aluminium | 200-400 m/min | 0.10-0.20 mm/tooth | Flood coolant / MQL |
| Hardened Steel (45-55 HRC) | 30-60 m/min | 0.05-0.10 mm/tooth | Air / Minimum coolant |
10. Operating Guidelines
- Runout: Maintain total indicator runout (TIR) below 0.010 mm at the tool tip to prevent uneven wear and chatter.
- Peck Cycle: When drilling or plunging, use a peck depth of 0.5–1.0×D with full retract to clear chips and reduce heat.
- Coolant: Match coolant delivery to material; high-pressure through-spindle coolant is recommended for stainless steel and deep pockets.
- Entry Angle: Use ramp or helical entry wherever possible; avoid direct 90° plunging into solid material.
- Speed/Feed: Start at the lower end of the recommended range and increase gradually while monitoring tool wear and surface finish.
- Tool Life: Inspect flutes and corner radius after each operation; replace when wear land exceeds 0.10 mm or finish degrades.
11. Toolholder Compatibility
| Holder Type | Compatibility | Notes |
|---|---|---|
| ER Collet Chuck | ★★★★☆ | Use high-precision collet for best results |
| Hydraulic Chuck | ★★★★★ | Excellent damping and runout control |
| Milling Chuck | ★★★★★ | High clamping force for heavy cuts |
| Shrink Fit Holder | ★★★★★ | Best runout and rigidity for high-speed machining |
| Side-Lock End Mill Holder | ★★★☆☆ | Acceptable for lower-speed roughing |
12. Packaging & Ordering Information
| MPN | Quantity | Packaging Type | Label Info | Minimum Order | Warranty |
|---|---|---|---|---|---|
| SGS38825 | 1 piece | Protective plastic tube with foam insert | Kyocera part number, grade, and barcode | 1 | Full manufacturer warranty against defects |
13. Catalog Meta Data
| Catalog Volume | Page Reference | Product Family | Series Designation | Country of Manufacture | Quality Standard |
|---|---|---|---|---|---|
| Kyocera Milling Tools 2026 | M-245 | Solid Carbide End Mills | TA Series | Japan | ISO 9001 |
✓ 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
-
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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All international payments are securely processed through PayPal, ensuring maximum transaction security and customer protection.
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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.
