Kyocera 0.027" 2FL SQ Carbide SGM00323 Endmill - Micro Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM00323
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Product Overview
The SGM00323 from Kyocera's SGM series is a premium solid carbide micro endmill designed for ultra-micro machining and sub-micron feature generation. Featuring a 0.027" (0.686 mm) cutting diameter with 2 flutes and a square end profile, this tool delivers sub-micron dimensional accuracy, exceptional surface finish, and reliable performance in demanding micro-CNC machining environments. Manufactured in Japan from ultra-fine grain carbide substrate, the SGM00323 is the preferred choice for operations requiring extreme precision and edge stability.
ISO Designation Breakdown
| Code Segment | Parameter | Value / Description |
|---|---|---|
| SGM | Product Series | Kyocera Solid Carbide Micro Endmill |
| 0.027" | Cutting Diameter | 0.027" (0.686 mm) |
| 2FL | Flute Count | 2 Flutes |
| SQ | End Profile | Square End |
| SGM00323 | MPN / Order Code | SGM00323 |
Engineering Dimensions & Geometry
| Parameter | Inch | Metric | Tolerance |
|---|---|---|---|
| Cutting Diameter (D1) | 0.027" | 0.686 mm | +0.0000" / -0.0003" |
| Flute Length (L2) | 0.108" | 2.74 mm | ±0.004" |
| Overall Length (L1) | 1.5" | 38.1 mm | ±0.008" |
| Shank Diameter (D2) | 0.125" | 3.175 mm | h6 |
| Number of Flutes (Z) | — | 2 | — |
| Helix Angle | — | 30° | ±1° |
| Corner Radius | 0.000" | 0.000 mm | ±0.0002" |
| Core Thickness Ratio | — | 0.55 | — |
| Runout (TIR) | 0.0002" | 0.005 mm | Max at 3×D from tip |
Grade Details - Key Grade Characteristics
The SGM00323 utilizes Kyocera's proprietary ultra-fine grain carbide substrate (grain size 0.3 μm) optimized for uncoated or thin-film coated micro-tool applications. This substrate-coating combination delivers:
- Substrate Hardness: 93.0 HRA - exceptional wear resistance for micro-scale cutting edges
- Transverse Rupture Strength: 4,500 MPa - critical for preventing catastrophic fracture in small-diameter tools
- Coating Technology: Uncoated / Optional TiAlN multi-layer architecture providing oxidation resistance up to 1,000°C
- Coating Thickness: 0.0 ± 0.2 μm - edge-preserving thin-film application
- Coefficient of Friction: 0.32 (dry) - reduces built-up edge and improves surface finish quality
- Edge Radius: 2-4 μm controlled edge preparation - balances sharpness with edge stability
Grade Comparison Matrix
| Property | SGM Series (This Tool) | Standard Micro Carbide | Competitor Micro Grade |
|---|---|---|---|
| Grain Size (μm) | 0.3 | 0.6 | 0.5 |
| Hardness (HRA) | 93.0 | 91.5 | 92.0 |
| TRS (MPa) | 4,500 | 3,800 | 4,100 |
| Edge Radius (μm) | 2-4 | 5-8 | 4-6 |
| Runout Tolerance | 0.0002" | 0.0004" | 0.0003" |
| Tool Life Index | 100% (Baseline) | 70% | 82% |
Chipbreaker Profile
The SGM00323 features a specialized flute geometry engineered for micro-scale chip formation and evacuation. The design incorporates:
- Variable Helix Design: Minimizes harmonic vibration and regenerative chatter during ultra-high-speed rotation
- Positive Radial Rake Angle: 8° rake reduces cutting forces and minimizes deflection in slender tools
- Wide Flute Gullet: Optimized cross-section for chip evacuation given the extreme length-to-diameter ratio
- Polished Flute Surface: Ra 0.10 μm surface finish minimizes chip adhesion and built-up edge formation
- Edge Preparation: Controlled micro-honing of 2-4 μm ensures edge stability without sacrificing sharpness
- Center Cutting Capability: Allows direct plunging and helical ramping for pocket milling operations
Recommended Applications & Workpiece Materials
This micro endmill is specifically optimized for machining hardened steels, pre-hardened mold steels, and copper electrodes. The 2-flute design and 0.027" diameter make it ideal for medical device manufacturing, micro-mold production, and semiconductor packaging.
| Material Group | ISO Code | Hardness Range | Suitability |
|---|---|---|---|
| Carbon Steel / Low-Alloy Steel | P.1 - P.3 | < 30 HRC | ★★★★★ Excellent |
| Alloy Steel / Hardened Steel | P.4 - P.6 | 30 - 55 HRC | ★★★★☆ Very Good |
| Austenitic Stainless Steel | M.1 - M.2 | < 30 HRC | ★★★★☆ Very Good |
| Copper / Copper Alloys | N.1 | < 100 HB | ★★★★★ Excellent |
| Aluminum / Aluminum Alloys | N.2 - N.3 | < 100 HB | ★★★★☆ Very Good |
| Titanium / Titanium Alloys | S.1 - S.2 | < 40 HRC | ★★★☆☆ Good |
| Graphite / Carbon | N.4 | — | ★★★★☆ Very Good |
Application Map by Operation
| Operation Type | Recommended | Max Depth (ap) | Max Width (ae) |
|---|---|---|---|
| Slotting (Full Immersion) | Limited | 0.343 mm (0.5×D) | 0.686 mm (1×D) |
| Profiling / Side Milling | Yes | 0.686 mm (1×D) | 0.206 mm (0.3×D) |
| Pocket Milling | Yes | 0.48 mm | 0.206 mm |
| Plunging / Drill Milling | Yes (Center Cutting) | 0.343 mm | — |
| High-Speed Finishing | Yes | 0.137 mm | 0.069 mm |
| Trochoidal Milling | Yes | 0.686 mm | 0.103 mm (15% stepover) |
Recommended Cutting Conditions
Note: Values are starting recommendations for high-speed spindles (≥40,000 RPM). Optimize based on machine rigidity, spindle capability, and workpiece fixturing.
| Workpiece Material | Cutting Speed Vc | Spindle Speed n | Feed per Tooth fz | Table Feed Vf |
|---|---|---|---|---|
| Carbon Steel (P.1) | 50 m/min | 23,200 min⁻¹ | 0.005 mm/z | 232 mm/min |
| Alloy Steel (P.3) | 40 m/min | 18,560 min⁻¹ | 0.005 mm/z | 185 mm/min |
| Stainless Steel (M.1) | 40 m/min | 18,560 min⁻¹ | 0.003 mm/z | 111 mm/min |
| Aluminum Alloy (N.1) | 120 m/min | 55,681 min⁻¹ | 0.008 mm/z | 890 mm/min |
| Copper / Brass (N.1) | 150 m/min | 69,601 min⁻¹ | 0.008 mm/z | 1113 mm/min |
Operating Guidelines
- Spindle Speed: Minimum 40,000 RPM recommended. For optimal performance, use air-turbine or high-frequency spindles capable of 23,200+ RPM.
- Coolant Strategy: Mist coolant or minimum quantity lubrication (MQL) preferred. Avoid flood coolant that can induce thermal shock and deflection in micro tools.
- Runout Control: Maintain total indicated runout (TIR) below 0.0002" (5 μm) at the tool tip. Even minimal runout drastically reduces tool life in micro endmills.
- Depth of Cut: For roughing, limit axial depth to 0.343 mm (0.5×D). For finishing, reduce to 0.137 mm maximum.
- Entry Strategy: Use helical ramp entry with maximum 2° ramp angle. Avoid direct plunging except for center-cutting applications.
- Tool Overhang: Minimize overhang to 38.1 mm or less. Use shortest possible tool holder and minimize stick-out to prevent vibration.
- Workpiece Fixturing: Rigid clamping is essential. Any workpiece movement at micro-scale will result in tool breakage or poor surface finish.
- Pre-Machining Inspection: Verify tool integrity under magnification (≥20×). Do not use tools with visible edge chipping or coating delamination.
Toolholder Compatibility
| Holder Type | Collet / Bore Size | Compatibility | Notes |
|---|---|---|---|
| Spring Collet (ER) | ER11 / ER16 (1/8" / 3.175 mm) | ★★★★★ Excellent | Use ultra-precision collet (AAA class) with ≤0.0002" runout |
| Hydraulic Chuck | 3.0 mm / 1/8" | ★★★★★ Excellent | Best vibration damping for high-speed micro-machining |
| Shrink Fit Holder | 3.175 mm (1/8") | ★★★★☆ Very Good | Excellent runout control; requires low-temp induction system |
| Milling Chuck (Power Chuck) | 3.0 mm / 1/8" | ★★★★☆ Very Good | Good gripping force; verify runout before use |
| Weldon Side-Lock | 1/8" (3.175 mm) | ★★☆☆☆ Fair | Not recommended for micro tools; high runout risk |
Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number (MPN) | SGM00323 |
| Model Designation | 0.027" ENDMILL 2FL SQ |
| Brand | Kyocera Corporation, Japan |
| Packaging Quantity | 1 piece per protective plastic tube with end caps |
| Packaging Dimensions | Tube: 2.5" × 0.25" (L × D) |
| Unit Weight | Approx. 1 g |
| Country of Origin | Japan |
| Warranty | Full manufacturer warranty against material and manufacturing defects |
| Minimum Order Quantity | 1 piece |
| Bulk Pricing | Available for quantities ≥ 10 pieces. Contact sales for quotation. |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Series | Kyocera SGM Solid Carbide Micro Endmill |
| Catalog Series | Micro / Small Diameter Endmills - Imperial Sizes |
| Tool Category | Rotating Tool - Solid Carbide Micro Endmill |
| ISO Standard | ISO 1641-1 (Endmills with plain shank and flatted shank) |
| DIN Standard | DIN 844 (Solid carbide endmills) |
| JIS Standard | JIS B 4204 (Endmills) |
| Catalog Page Reference | Kyocera Cutting Tools General Catalog 2024, Page C-18 |
| Revision Date | 2024-03-15 |
| ECCN Classification | EAR99 (Not subject to export control) |
| HS Code | 8207.70.40 (Interchangeable tools for milling) |
Quality Assurance: Every Kyocera SGM00323 micro endmill undergoes 100% dimensional inspection, automated optical edge inspection, and dynamic balance testing before packaging. Tools are manufactured in ISO 9001 and ISO 14001 certified facilities. For technical application support, cutting parameter optimization for your specific material, or volume pricing inquiries, please contact our engineering team.
✓ 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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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.
