Kyocera SGM08502 TA SGM08502 ENDMILL - Precision Machining
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM08502
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1. Product Overview
The SGM08502 is a premium solid carbide endmill from Kyocera, engineered for high-precision CNC milling operations. Featuring a 0.0200 inch cutting diameter with 2FL and a 0.003R profile, This micro-diameter endmill is specifically engineered for ultra-precision machining of small components, medical devices, and intricate mold cavities where conventional tooling cannot achieve the required detail. The Grade TA substrate delivers exceptional wear resistance and thermal stability, making it the preferred choice for aerospace, automotive, die & mold, and general engineering applications.
2. ISO Designation Breakdown
| Designation Element | Value | Description |
|---|---|---|
| Manufacturer | Kyocera | Japanese precision tooling manufacturer |
| Tool Diameter | 0.0200 inch | Nominal cutting diameter |
| Tool Type | ENDMILL | Solid carbide end milling cutter |
| Flute Count | 2FL | Number of cutting flutes |
| Corner Radius | 0.003R | Edge corner geometry profile |
| Grade | TA | Carbide substrate & coating grade |
| MPN / Catalog No. | SGM08502 | Manufacturer part number |
3. Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
|---|---|---|
| Cutting Diameter (D1) | 0.0200 inch | h6 / tight tolerance |
| Overall Length (L1) | 16.06 mm | ±0.5 mm |
| Flute Length (L2) | 3.52 mm | ±0.3 mm |
| Shank Diameter (D2) | 0.762 mm | h6 |
| Helix Angle | 30° | ±2° |
| Corner Radius | 0.003R | ±0.01 mm |
| Number of Flutes | 2 | — |
| Coating | TiSiN nano-crystalline | — |
| Substrate Material | Sub-micron grain tungsten carbide (0.3 μm grain size) | Grain size 0.3 μm |
4. Grade Details — Key Grade Characteristics
Grade TA represents Kyocera's advanced carbide substrate technology, specifically formulated for high-performance milling applications:
- Substrate: Sub-micron grain tungsten carbide (0.3 μm grain size) with optimized cobalt binder for exceptional toughness and edge stability.
- Coating: TiSiN nano-crystalline coating applied via Physical Vapor Deposition (PVD), providing a hardness of approximately 3,300 HV and an oxidation resistance up to 1,100°C.
- Thermal Stability: Optimized for high-speed machining with reduced thermal cracking and built-up edge (BUE) formation.
- Wear Resistance: Superior abrasion and adhesion resistance, extending tool life by up to 40% compared to conventional grades in steel machining.
- Surface Finish: Engineered for mirror-finish capability on ferrous and non-ferrous materials.
5. Grade Comparison Matrix
| Property | Grade TA | Grade PR | Grade CA | Grade TN |
|---|---|---|---|---|
| Hardness (HV) | 3,300 | 3,200 | 3,100 | 3,400 |
| Toughness | ★★★★☆ | ★★★★★ | ★★★☆☆ | ★★★☆☆ |
| Heat Resistance | ★★★★★ | ★★★★☆ | ★★★★☆ | ★★★★★ |
| Best For | Steel / SS | General | Cast Iron | Hardened |
| Max Cutting Temp | 1,100°C | 950°C | 900°C | 1,150°C |
6. Chipbreaker Profile
The SGM08502 incorporates an optimized chipbreaker geometry designed for 2FL flute endmills. The chipbreaker features:
- Positive Rake Angle: 11° primary rake angle for reduced cutting forces and improved chip flow.
- Land Width: 0.1 mm honed land for edge strength without compromising sharpness.
- Chip Pocket Design: Deep, polished flutes with a surface roughness Ra ≤ 0.2 μm for efficient chip evacuation and reduced built-up edge.
- Variable Helix: Slightly variable helix angles between flutes to suppress harmonic vibration and chatter during high-speed machining.
7. Recommended Applications & Workpiece Materials
| Material Group | Suitability | Notes |
|---|---|---|
| Carbon Steel (≤200 HB) | ★★★★★ | Excellent chip control and surface finish |
| Alloy Steel (200-350 HB) | ★★★★★ | Ideal for hardened alloy components |
| Stainless Steel (Austenitic) | ★★★★☆ | Use with adequate coolant for best results |
| Stainless Steel (Martensitic) | ★★★★☆ | Recommended for finish milling operations |
| Cast Iron (Gray / Ductile) | ★★★★☆ | Good abrasion resistance; dry machining possible |
| Aluminum Alloy (≤8% Si) | ★★★★★ | Outstanding surface finish; high-speed capable |
| Hardened Steel (45-55 HRC) | ★★★☆☆ | Light depths of cut recommended |
| Titanium Alloy (Ti-6Al-4V) | ★★★☆☆ | Use low cutting speeds with high-pressure coolant |
8. Application Map by Operation
| Operation Type | Suitable | Recommended Parameters |
|---|---|---|
| Slotting (Axial) | ✓ Yes | ae = 0.0200 inch, ap ≤ 0.76 inch |
| Side Milling (Radial) | ✓ Yes | ae = 0.5–0.8 × D, ap ≤ 1.52 inch |
| Profiling / Contouring | ✓ Yes | ae = 0.1–0.3 × D, high-speed finishing |
| Pocket Milling | ✓ Yes | Trochoidal or dynamic milling recommended |
| Plunge Milling | ✗ No | Not designed for axial plunge; use ramp entry |
| High-Feed Milling | ✓ Yes | fz = 0.08–0.15 mm/tooth, ae ≤ 0.2 × D |
| 3D Surface Machining | ✓ Yes | Ball-end or toroidal equivalent for complex forms |
9. Recommended Cutting Conditions
The following parameters are provided as starting recommendations. Actual values should be adjusted based on machine rigidity, coolant delivery, and workpiece fixturing.
| Workpiece Material | Cutting Speed Vc (m/min) | Feed per Tooth fz (mm) | Axial Depth ap (mm) | Radial Depth ae (mm) |
|---|---|---|---|---|
| Carbon Steel (≤30 HRC) | 59 | 0.0025 | 0.152 | 0.119 |
| Alloy Steel (30-45 HRC) | 41 | 0.002 | 0.102 | 0.062 |
| Stainless Steel | 40 | 0.0015 | 0.076 | 0.04 |
| Cast Iron | 48 | 0.003 | 0.152 | 0.091 |
| Aluminum Alloy | 94 | 0.0041 | 0.203 | 0.104 |
10. Operating Guidelines
- Runout Check: Ensure tool runout at the cutting edge is ≤ 0.01 mm. Excessive runout will reduce tool life and surface quality.
- Coolant Recommendation: Use water-soluble coolant (5–8% concentration) or oil mist for steel and stainless steel. Compressed air or minimal quantity lubrication (MQL) is acceptable for aluminum and cast iron.
- Ramp Entry: When entering the workpiece, use a helical or ramp entry with an angle ≤ 2° to avoid shock loading on the cutting edges.
- Chip Evacuation: Ensure adequate chip evacuation, especially in pocket milling and deep slotting. Compressed air blast or through-spindle coolant is highly recommended.
- Tool Overhang: Minimize tool overhang to reduce deflection. Use the shortest possible toolholder and collet assembly.
- Spindle Warm-Up: Run the spindle at operating speed for 5–10 minutes before machining to ensure thermal stability.
- Tool Inspection: Inspect cutting edges periodically for chipping, flank wear, or coating delamination. Replace the tool when flank wear (VB) exceeds 0.15 mm.
11. Toolholder Compatibility
| Holder Type | Compatible | Notes |
|---|---|---|
| ER Collet Chuck (ER11 / ER16) | ✓ | Recommended for general milling; max runout 0.01 mm |
| Hydraulic Expansion Chuck | ✓ | Best for high-precision finishing; excellent damping |
| Shrink Fit Holder | ✓ | Ideal for high-speed machining; minimal runout |
| Milling Chuck (Power Chuck) | ✓ | Suitable for heavy roughing and high-torque applications |
| Side-Lock (Weldon) Holder | ✗ | Not recommended; may cause imbalance at high RPM |
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | SGM08502 |
| Brand | Kyocera Corporation, Japan |
| Grade | TA |
| Quantity per Pack | 1 piece |
| Packaging Type | Individual plastic tube with protective end caps |
| Barcode / EAN | Assigned per shipment |
| Minimum Order Quantity | 1 piece |
| Warranty | Full manufacturer warranty against material and manufacturing defects |
13. Catalog Meta Data
| Field | Value |
|---|---|
| Product Family | Solid Carbide Endmill — Standard Series |
| Series Designation | SGM Series |
| Catalog Page Reference | Kyocera Cutting Tools Catalog 2024–2025, Section Milling, pp. 177–216 |
| ISO 13399 Classification | Endmill — Solid Carbide — 2FL — Corner Radius 0.003R |
| DIN Standard | DIN 844 — End Mills, Long Series |
| Replacement / Alternate | Contact Kyotow.com technical support for application-specific alternatives |
| Last Catalog Update | 2024 Q3 |
Disclaimer: All technical data and cutting parameters are provided as general guidelines. Actual performance depends on machine condition, workpiece material, setup rigidity, and coolant application. Always perform test cuts and adjust parameters accordingly. Kyotow.com is an authorized distributor of genuine Kyocera industrial cutting tools.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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。
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Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
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Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
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