Kyocera 0.090 TiAlN SGM09879 Endmill | Micro - Slotting Kyotow.com
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM09879
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Product Overview
The Kyocera 0.090 SGM09879 is a solid-carbide 4-flute, square-end micro end mill from Kyocera's precision micro-tooling program, engineered in Japan for high-accuracy CNC micro-milling. With a cutting diameter of 0.090″ (2.286 mm) on a rigid 1/8″ (3.175 mm) shank, it is built for slotting, fine profiling, shallow pocketing and detail work on machining centers, high-speed spindles and CNC engraving platforms.
A Titanium Aluminum Nitride (TiAlN) coating adds a hard, heat-resistant surface layer (approx. 3,300 HV) that protects the cutting edge in abrasive and high-temperature cuts, extending tool life up to 3× versus uncoated carbide.
ISO Designation Breakdown
| Code Segment | Value | Meaning |
|---|---|---|
| Series Prefix | SGM | Kyocera solid-carbide square-end micro end mill series |
| Size Code | 09879 | Factory size identifier mapped to 0.090″ (2.286 mm) cutting diameter |
| Flute Count | 4FL | Four-flute configuration for stable, fine-finish milling |
| End Style | SQ | Square-end (flat-bottom) geometry for floors and shoulders |
| Grade | TiAlN | TiAlN-Coated Micro-Grain Carbide |
Engineering Dimensions & Geometry
| Parameter | Imperial | Metric |
|---|---|---|
| Cutting Diameter (D) | 0.090" | 2.286 mm |
| Diameter Tolerance | +0.0000 / −0.0005" | +0.000 / −0.013 mm |
| Length of Cut (LOC) | 0.27" | 6.86 mm |
| Shank Diameter | 1/8" (0.125") | 3.175 mm |
| Overall Length (OAL) | 1-1/2" (1.500") | 38.1 mm |
| Number of Flutes | 4 | 4 |
| Helix Angle | 30° | 30° |
| End Geometry | Square end, center-cutting | Square end, center-cutting |
| Corner Chamfer | 0.002" protective chamfer | 0.05 mm protective chamfer |
Grade Details - Key Grade Characteristics
| Characteristic | Specification |
|---|---|
| Substrate | Ultra-fine micro-grain WC-Co carbide (0.4–0.6 µm grain size) |
| Coating | TiAlN (Titanium Aluminum Nitride), PVD, 1–3 µm |
| Coating Hardness | ≈3,300 HV0.05 |
| Substrate Hardness | ≈92.5 HRA (≈1,750 HV) |
| Max. Service Temperature | 900°C (coating oxidation threshold) |
| Transverse Rupture Strength | ≥3,800 MPa |
| Key Benefit | Heat- and wear-resistant edge for steels, stainless, titanium & dry machining |
Grade Comparison Matrix
| Attribute | TiAlN Coated (this tool) | Uncoated Carbide | General-Purpose Carbide |
|---|---|---|---|
| Wear Resistance | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Heat Resistance | ★★★★★ | ★★★☆☆ | ★★★☆☆ |
| Edge Sharpness | ★★★★☆ | ★★★★★ | ★★★☆☆ |
| Aluminum / Non-Ferrous | Good | Excellent | Good |
| Steels & Stainless | Excellent | Fair | Fair |
| Relative Tool Life | Up to 3× baseline | Baseline | 0.7× baseline |
Chipbreaker Profile
Instead of a pressed chipbreaker, this micro end mill manages chips through its flute and gash design:
- Deep, polished flute gullets give chips maximum evacuation volume at 0.090″ diameter, preventing re-cutting and clogging.
- 30° helix lifts chips smoothly out of the cut while keeping cutting forces low and chatter-free.
- Center-cutting gash geometry allows plunging and ramping entries without a pilot hole.
- Fine edge preparation (≤5 µm) shears material cleanly, producing small, manageable chips even in gummy alloys.
Recommended Applications & Workpiece Materials
| Workpiece Material (ISO Class) | Suitability | Notes |
|---|---|---|
| ISO P — Carbon & alloy steels (≤45 HRC) | Excellent | Full slotting & side milling |
| ISO M — Stainless steels (303/304/316) | Very Good | Light-to-moderate radial engagement |
| ISO K — Cast irons | Very Good | Profiling & facing |
| ISO N — Aluminum & copper alloys | Good | Use air blast / MQL to avoid built-up edge |
| ISO S — Titanium & Inconel | Good | Low SFM, high feed, rigid setup |
| ISO H — Hardened steels (45–55 HRC) | Good | Finishing passes only |
Application Map by Operation
| Milling Operation | Suitability | Guideline |
|---|---|---|
| Full Slotting | ★★★★☆ | Axial DOC ≤ 0.5×D (0.045"), reduce feed 20% |
| Side Milling / Profiling | ★★★★★ | Radial WOC 5–10% of D for best finish |
| Shallow Pocketing | ★★★★☆ | Ramping entry at 3–5° |
| Micro Engraving / V-Carving | ★★★★☆ | Use minimum qty lubrication |
| Plunging / Drilling | ★★★☆☆ | Center-cutting; peck in 0.1×D steps |
| 3D Contouring | ★★★★☆ | Small stepovers (≤10% D) for fine surfaces |
Recommended Cutting Conditions
| Workpiece Material | Cutting Speed | Spindle Speed | Feed per Tooth | Feed Rate (4FL) |
|---|---|---|---|---|
| Aluminum / Brass / Copper | 260 SFM | 11,000 RPM | 0.0005"/tooth | 23.8 IPM |
| Mild / Low-Carbon Steel | 120 SFM | 5,100 RPM | 0.0005"/tooth | 11.0 IPM |
| Alloy Steel (≤35 HRC) | 100 SFM | 4,200 RPM | 0.0005"/tooth | 9.1 IPM |
| Stainless Steel (304/316) | 80 SFM | 3,400 RPM | 0.0005"/tooth | 7.3 IPM |
| Titanium Alloys | 60 SFM | 2,500 RPM | 0.0005"/tooth | 5.4 IPM |
| Hardened Steel (45–55 HRC) | 45 SFM | 1,900 RPM | 0.0005"/tooth | 4.1 IPM |
Values are starting recommendations for rigid setups; adjust ±20% for machine stiffness, holder runout and coolant.
Operating Guidelines
- Keep tool-holder runout below 0.0002" (5 µm) TIR — runout is the #1 cause of micro-tool breakage.
- Use the shortest possible gauge length; never extend the tool beyond the flute length plus clearance.
- Climb mill whenever machine rigidity allows for better surface finish and tool life.
- Start at 70% of recommended feed and speed, then optimize upward in 10% steps.
- Use air blast, mist or flood coolant appropriate to the material; avoid thermal shock on interrupted cuts.
- Retire the tool at the first sign of edge chipping or size drift — micro tools fail catastrophically when worn.
Toolholder Compatibility
| Holder System | Specification | Notes |
|---|---|---|
| ER Collet Chuck | ER8 / ER11, 1/8" collet | Best all-round choice for micro milling |
| Shrink-Fit Holder | 1/8" (3.175 mm) bore | Maximum rigidity & ≤3 µm runout |
| Precision Milling Chuck | 1/8" capacity | Good for general machining centers |
| Hydraulic Chuck | 1/8" bore | Excellent vibration damping for fine finishes |
| Spindle Interface | HSK-E25/E32, BT30, CAT40 or straight-shank adapters | Match to machine spindle |
Packaging & Ordering Information
| Item | Detail |
|---|---|
| Ordering Code (MPN) | SGM09879 |
| Unit of Sale | 1 piece (individually packaged in protective plastic tube) |
| Minimum Order Quantity | 1 piece |
| Country of Origin | Japan |
| Catalog Page Reference | Kyocera Solid Carbide Micro End Mill catalog, SGM series |
| Warranty | Full manufacturer warranty against defects in material and workmanship |
Catalog Meta Data
| Field | Value |
|---|---|
| Product ID | 21030 |
| MPN / SKU | SGM09879 |
| Brand / Manufacturer | Kyocera |
| Model | 0.090 ENDMILL 4FL SQ |
| Grade | TiAlN-Coated Micro-Grain Carbide |
| Net Weight | 0.1 kg |
| List Price | $400.10 USD |
| Availability | In stock |
✓ 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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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.
