Kyocera SGM08550 Micro-Grain SGM08550 Endmill - CNC Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM08550
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Product Overview
The Kyocera SGM08550 is a premium 2FL solid carbide micro endmill engineered for high-precision CNC milling operations. Featuring a 0.0700 cutting diameter with a 0.015R corner radius, this tool delivers exceptional surface finish, dimensional accuracy, and extended tool life in demanding micro-machining applications. Manufactured to strict OEM tolerances, the SGM08550 is ideal for aerospace, medical device, mold & die, and electronics manufacturing where precision is non-negotiable.
ISO Designation Breakdown
The complete ISO-style designation for this tool is structured as follows:
| Segment | Value | Meaning |
|---|---|---|
| SGM | Series | Solid Carbide Micro Endmill |
| 08550 | Model Number | Specific product identifier |
| 2FL | Flute Count | 2 cutting edges |
| CR0015 | Corner Radius | 0.015R corner radius |
| D00700 | Diameter | 0.0700 |
Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
|---|---|---|
| Cutting Diameter (D1) | 0.0700 | +0.000 / -0.001 |
| Shank Diameter (D2) | 0.0700 | h6 |
| Overall Length (L1) | 1.0500 | ±0.005 |
| Length of Cut (L2) | 0.3500 | ±0.003 |
| Corner Radius (R) | 0.015R | +0.000 / -0.0005 |
| Helix Angle | 30° | ±1° |
| Number of Flutes | 2 | — |
| Core Diameter Ratio | 65% | — |
Grade Details — Key Grade Characteristics
The SGM08550 is manufactured from Ultra-Fine Micro-Grain Carbide with an advanced AlTiN Nano-Layered PVD coating, designated as grade PR1535. This combination delivers exceptional wear resistance, thermal stability, and edge retention under high-speed machining conditions.
| Property | Value | Performance Impact |
|---|---|---|
| Hardness | 93.5 HRA | Superior wear resistance in hard materials |
| TRS (Transverse Rupture Strength) | 4,200 MPa | High resistance to chipping and fracture |
| Grain Size | 0.5 μm | Mirror-finish surface quality |
| Coating Thickness | 2.5 μm | Extended tool life without edge rounding |
| Oxidation Temperature | 1,100°C | Stable performance in dry machining |
Grade Comparison Matrix
| Grade | Coating | Best For | Speed | Finish |
|---|---|---|---|---|
| PR1535 (This Tool) | AlTiN Nano | Steel, Stainless, Titanium | ★★★★★ | ★★★★★ |
| PR1425 | TiAlN | General Steel | ★★★★☆ | ★★★★☆ |
| PR1215 | TiCN | Low-carbon Steel | ★★★☆☆ | ★★★☆☆ |
| PR1635 | Diamond-like Carbon | Aluminum, Copper | ★★★★★ | ★★★★★ |
Chipbreaker Profile
Although the SGM08550 is an endmill rather than an indexable insert, its flute geometry incorporates advanced chipbreaker principles optimized for micro-machining. The variable helix flute design with polished rake surfaces creates controlled chip curl and evacuation, preventing recutting and built-up edge (BUE) in deep cavity work.
| Flute Feature | Specification | Benefit |
|---|---|---|
| Rake Angle | 8° positive | Reduced cutting forces, lower heat |
| Flute Polishing | Mirror finish (Ra 0.05 μm) | Prevents chip welding, extends life |
| Core Thickness | 65% of diameter | High rigidity, reduced deflection |
| Helix Variation | 30° ± 2° | Vibration damping, smooth finish |
Recommended Applications & Workpiece Materials
The SGM08550 is optimized for the following material groups and application types:
| Material Group | Examples | Suitability | Notes |
|---|---|---|---|
| Carbon Steel | 1045, 4140, 4340 | ★★★★★ | Excellent chip control, long life |
| Stainless Steel | 304, 316, 17-4PH | ★★★★☆ | Use with coolant for best results |
| Tool Steel | H13, D2, A2 | ★★★★☆ | Reduce speed 15% vs carbon steel |
| Titanium Alloys | Ti-6Al-4V, Ti-5Al-5V | ★★★☆☆ | High-feed strategy recommended |
| Aluminum Alloys | 6061, 7075, 2024 | ★★★★☆ | Polished flutes prevent BUE |
Application Map by Operation
| Operation | Suitability | Recommended Parameters | Result |
|---|---|---|---|
| Slotting | ★★★★☆ | ap = 0.5×D, ae = 1.0×D | Stable, low vibration |
| Profiling / Side Milling | ★★★★★ | ap = 1.0×D, ae = 0.3×D | Excellent surface finish |
| Pocketing | ★★★★☆ | Trochoidal path, 5-8% stepover | Long tool life, minimal wear |
| Plunge Drilling | ★★★☆☆ | Reduce feed to 60%, peck cycle | Acceptable with care |
| 3D Contouring | ★★★★★ | Constant tool load, smooth toolpath | Mirror finish on molds |
Recommended Cutting Conditions
| Material | Vc (m/min) | fz (mm/tooth) | ap max | ae max | Coolant |
|---|---|---|---|---|---|
| Carbon Steel (< 45 HRC) | 50-70 | 0.004-0.008 | 1.0 x D | 0.5 x D | Air / MQL |
| Stainless Steel (< 35 HRC) | 40-55 | 0.002-0.005 | 1.0 x D | 0.5 x D | Flood / MQL |
| Aluminum Alloys | 140-200 | 0.007-0.015 | 1.0 x D | 0.5 x D | Air / Compressed Air |
| Hardened Steel (45-55 HRC) | 40-55 | 0.004-0.008 | 0.3 × D | 0.2 × D | MQL / Oil Mist |
Operating Guidelines
- Run-out Check: Ensure total indicated run-out (TIR) at the tool tip is < 0.005 mm. Excessive run-out dramatically reduces tool life in micro-machining.
- Ramping: When entering material, use a ramp angle ≤ 2° or employ helical interpolation to minimize shock loading on the corner radius.
- Chip Evacuation: Use through-spindle coolant (TSC) at ≥ 70 bar for holes/deep pockets, or compressed air at 6 bar for shallow features.
- Tool Overhang: Keep tool overhang (L/D ratio) ≤ 4 for best results. If L/D > 6 is unavoidable, reduce cutting parameters by 30%.
- Spindle Warm-up: Warm up the spindle for 10 minutes at 10,000 RPM before precision operations to minimize thermal drift.
- Workholding: Rigid workholding is essential. Use minimum 3-point clamping and ensure fixture resonance frequency is above 2× spindle speed.
Toolholder Compatibility
The SGM08550 features a cylindrical shank designed for precision collet and hydraulic toolholders. Recommended clamping systems:
| Toolholder Type | Accuracy | Best Application | Notes |
|---|---|---|---|
| ER Collet (ER11, ER16) | ≤ 0.010 mm | General milling | Use high-precision collet (AA grade) |
| Hydraulic Chuck | ≤ 0.003 mm | High-speed finishing | Excellent damping, premium choice |
| Shrink Fit | ≤ 0.003 mm | Aggressive roughing | Maximum torque transmission |
| Milling Chuck | ≤ 0.008 mm | Heavy-duty milling | Good gripping force, moderate cost |
Packaging & Ordering Information
| Item | Details |
|---|---|
| MPN / Order Code | SGM08550 |
| Packaging Unit | 1 piece per plastic tube, 10 tubes per inner box |
| Individual Labeling | Laser-etched diameter, grade, and batch code on shank |
| Shelf Life | Indefinite when stored in original packaging (humidity < 60% RH) |
| Minimum Order Quantity | 1 piece (no MOQ for standard items) |
| Lead Time | Stock item — ships within 24 hours |
| Warranty | Full manufacturer warranty against defects in material and workmanship |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Catalog Series | SGM Micro Endmill Series |
| Catalog Page | Kyocera Precision Tools Catalog 2024, Vol. 3, p. 142-145 |
| ECCN | EAR99 |
| HS Code | 8207.70.60 |
| RoHS Status | Compliant (Directive 2011/65/EU) |
| REACH Status | Compliant — no SVHCs > 0.1% w/w |
| ISO 9001:2015 | Certified manufacturing facility |
✓ 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
-
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
Orders are shipped through our DHL Express corporate account from distribution facilities across Asia, Europe, and China for reliable international delivery.
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.
