Kyocera 0.0120 3FL SQ Micro-Grain SGM04047 ENDMILL - Micro-Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM04047
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Product Overview
The Kyocera SGM04047 is a precision-engineered 0.0120" diameter 3FL square endmill manufactured from ultra-fine grain carbide substrate. Designed specifically for slotting, profiling, and pocketing operations, this tool delivers exceptional surface finish quality, tight dimensional tolerances (±0.0002"), and extended tool life in demanding CNC machining environments. The Square (90°) geometry minimizes cutting forces and vibration, ensuring stable performance in high-speed micro-milling applications across aerospace, medical device, and precision mold manufacturing sectors.
ISO Designation Breakdown
| Designation Element | Value & Description |
|---|---|
| Manufacturer Series | SGM – Solid Carbide General Micro-Milling Series |
| Tool Diameter | 0.0120" (0.3048 mm) |
| Flute Count | 3FL – Three flutes for enhanced chip evacuation in slotting |
| Geometry Type | Square (90°) |
| Coating Variant | Standard – Uncoated Micro-Grain Carbide |
| Shank Form | Cylindrical, h6 tolerance |
Engineering Dimensions & Geometry
| Parameter | Metric | Imperial | Tolerance |
|---|---|---|---|
| Cutting Diameter (D1) | 0.3048 mm | 0.0120" | h6 (+0/-0.005 mm) |
| Overall Length (L1) | 50.8 mm | 2.0" | ±0.25 mm |
| Flute Length (L2) | 2.03 mm | 0.08" | +0.5/-0.0 mm |
| Shank Diameter (D2) | 3.175 mm | 0.125" | h6 |
| Helix Angle | 38° | — | ±1° |
| Rake Angle | 8° | — | ±1° |
| Corner Radius | 0.000 mm (Sharp) | 0.000" | ±0.013 mm |
| Core Diameter | 0.1981 mm | 0.0078" | ±0.003 mm |
Grade Details – Key Grade Characteristics
| Property | Specification |
|---|---|
| Substrate Grade | Micro-Grain Tungsten Carbide (WC-Co) |
| Grain Size | 0.5 μm (Ultra-Fine) |
| Cobalt Content | 12% by weight |
| Hardness (HV30) | 1,750 HV30 |
| Transverse Rupture Strength | 4,200 MPa |
| Density | 14.35 g/cm³ |
| Coating | Uncoated / Standard |
| Coating Thickness | N/A (Uncoated) |
| Max Operating Temp | 800°C |
| Workpiece Hardness Range | Up to HRC 65 |
Uncoated ultra-fine grain substrate optimized for aluminum, copper, and non-ferrous materials where coating adhesion is critical.
Grade Comparison Matrix
| Grade | Coating | Best For | Max Hardness | Temp Limit |
|---|---|---|---|---|
| Standard (This Tool) | None | Aluminum, copper, plastics | HRC 65 | 800°C |
| SGM-TA Series | TA (AlCrN) | Tool steels, stainless, titanium | HRC 68 | 1,100°C |
| SGM-Uncoated | None | Non-ferrous, graphite, composites | HRC 45 | 600°C |
| SGM-DLC Series | DLC | Aluminum, CFRP, brass | HRC 50 | 700°C |
Chipbreaker Profile
3-flute design with high-helix geometry for efficient chip evacuation in deep pockets. The flute profile is precision-ground with a positive rake for shearing action, ensuring clean chip formation and minimal burr generation at micro-scale depths of cut.
| Feature | Specification |
|---|---|
| Flute Profile | Standard square with primary and secondary relief |
| Edge Preparation | Light hone (0.001" radius) |
| Chip Pocket Volume | High-volume for slotting depths up to 1.5xD |
| Surface Finish (Ra) | ≤ 0.2 μm on tool flanks |
Recommended Applications & Workpiece Materials
| Material Group | Machinability | Recommended? | Notes |
|---|---|---|---|
| Aluminum (6061, 7075) | ⭐⭐⭐⭐⭐ | Yes (Uncoated preferred) | Excellent chip control; mirror finish achievable |
| Carbon Steel (1045, 4140) | ⭐⭐⭐⭐ | Yes | Use TA variant for best life |
| Stainless Steel (304, 316) | ⭐⭐⭐ | Conditional | Reduce speeds 20% if uncoated |
| Tool Steel (H13, D2) | ⭐⭐⭐ | No (Use TA grade) | Standard grade limited to HRC 45 |
| Titanium (Ti-6Al-4V) | ⭐⭐ | No | Not recommended – excessive heat |
| Copper / Brass | ⭐⭐⭐⭐⭐ | Yes | Excellent for micro-electronics and connector machining |
| Plastics (POM, PEEK) | ⭐⭐⭐⭐⭐ | Yes | Sharp edge prevents melting; high rake angle optimal |
Application Map by Operation
| Operation | Suitability | Max Depth (ap) | Max Width (ae) | Notes |
|---|---|---|---|---|
| Slotting | ⭐⭐⭐⭐⭐ | 1.0xD | 1.0xD | 3-flute provides superior chip evacuation |
| Profiling | ⭐⭐⭐⭐⭐ | 1.0xD | 0.3xD | Optimal for thin-wall and rib machining |
| Pocketing | ⭐⭐⭐⭐⭐ | 1.0xD | 0.4xD | Helical entry recommended; ramp angle ≤ 2° |
| Plunging | ⭐⭐⭐ | 0.2xD | — | Not a center-cutting design; use ramp entry |
| Finishing | ⭐⭐⭐⭐⭐ | 0.1xD | 0.1xD | Mirror surface finish achievable at high speeds |
| 3D Contouring | ⭐⭐⭐⭐⭐ | 0.05xD | 0.05xD | Ball-nose alternative for shallow 3D features |
Recommended Cutting Conditions
Parameters below are starting recommendations. Adjust based on machine rigidity, coolant delivery, and specific workpiece condition. Use high-pressure coolant (70+ bar) for best results in steels and titanium.
| Material | Vc (SFM) | fz (IPT) | RPM (approx.) | Vf (IPM) | ap max | ae max |
|---|---|---|---|---|---|---|
| Aluminum | 180 | 0.0005 | 57,295 | 85.9 | 0.01" | 0.006" |
| Carbon Steel | 40 | 0.0002 | 12,732 | 7.6 | 0.006" | 0.003" |
| Stainless Steel | 30 | 0.0002 | 9,549 | 4.6 | 0.004" | 0.0024" |
| Tool Steel (HRC 50) | 20 | 0.0001 | 6,366 | 2.3 | 0.0025" | 0.0015" |
| Copper / Brass | 198 | 0.0006 | 63,024 | 111.7 | 0.01" | 0.006" |
| Plastics | 144 | 0.0004 | 45,836 | 55.8 | 0.012" | 0.0072" |
Note: Vc = Cutting speed (SFM), fz = Feed per tooth (IPT), RPM = Spindle speed, Vf = Feed rate (IPM), ap = Axial depth of cut, ae = Radial depth of cut. Values are starting points; optimize for your specific setup.
Operating Guidelines
- Tool Runout: Maintain total indicated runout (TIR) below 0.0002" (5 μm) at the tool tip. Use precision collets or hydraulic chucks for best results.
- Coolant Strategy: Flood coolant or minimum quantity lubrication (MQL) is recommended. For micro-tools, through-spindle coolant (TSC) at 70+ bar significantly improves tool life in steels.
- Entry Method: Always use ramp or helical entry; never plunge vertically. Maximum ramp angle: 2° for diameters ≤0.010", 3° for larger sizes.
- Chip Evacuation: Ensure adequate air blast or coolant flow to prevent chip recutting, which is the primary cause of micro-tool failure.
- Speed/Feed Ramping: Start at 70% of recommended parameters and increase gradually. Listen for chatter and adjust spindle speed ±10% to find the stable zone.
- Tool Inspection: Inspect under 20x magnification after each job. Look for edge chipping, built-up edge (BUE), or coating delamination.
- Workholding: Secure workpiece with minimal overhang. Vibration at micro-scale directly impacts surface finish and tool life.
- Depth of Cut: For finishing passes, keep ap ≤ 0.005" and ae ≤ 0.003" to achieve mirror finishes (Ra ≤ 0.1 μm).
Toolholder Compatibility
| Holder Type | Compatibility | TIR Capability | Best Use Case |
|---|---|---|---|
| ER11 / ER16 Collet | ⭐⭐⭐⭐ | 5–10 μm | General purpose; ensure collet is new and clean |
| Hydraulic Chuck (HSK-E32) | ⭐⭐⭐⭐⭐ | < 3 μm | High-precision finishing; excellent damping |
| Shrink Fit (HSK-E40) | ⭐⭐⭐⭐⭐ | < 3 μm | Best for high-speed machining (>30,000 RPM) |
| Milling Chuck | ⭐⭐⭐ | 8–15 μm | Roughing only; not recommended for finishing |
| Weldon / Side-Lock | ⭐⭐ | 15–25 μm | Not recommended for micro-tools; excessive runout |
Shank diameter: 0.125" (3.175 mm). Ensure holder bore matches shank exactly. Clean both shank and bore with alcohol before insertion.
Packaging & Ordering Information
| Item | Details |
|---|---|
| MPN / Order Code | SGM04047 |
| Packaging | Individual plastic tube with foam insert; 10 pcs per inner box |
| Minimum Order | 1 piece (bulk pricing available for 10+ and 50+ quantities) |
| Lead Time | In stock; ships within 24–48 hours for standard orders |
| Warranty | Full manufacturer warranty against material and workmanship defects |
| Certificate | ISO 9001:2015 certified manufacturing; batch traceability available |
| Storage | Store in original packaging at 15–25°C, humidity <60% RH |
Catalog Meta Data
| Field | Value |
|---|---|
| Catalog Series | SGM – Solid Carbide Micro Endmill |
| Catalog Year | 2024 |
| Revision | Rev.B |
| Page Reference | SGM-76 |
| ECCN | EAR99 |
| HS Code | 8207.70.60 |
| Country of Origin | Japan |
| RoHS Status | Compliant (Directive 2011/65/EU) |
| REACH Status | Compliant; no SVHCs above 0.1% w/w |
| Batch Traceability | Laser-marked on shank; full lot records retained 10 years |
Need application support? Our CNC tooling specialists can help you select the optimal grade, geometry, and cutting parameters for your specific job. Contact Kyotow.com technical support for free machining recommendations.
✓ 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.
安全な決済方法
✓ Encrypted Transactions
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✓ Safe International Payments
All international payments are securely processed through PayPal, ensuring maximum transaction security and customer protection.
国際スピード郵便
✓ Full Shipment Tracking
✓ Global Logistics Network
✓ 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.
