Kyocera ENDMILL PR SGM02426 4FL SQ - Precision Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: SGM02426
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1. Product Overview
The Kyocera ENDMILL PR SGM02426 is a premium solid carbide 4FL SQ TA square-end endmill engineered for high-efficiency finishing and semi-finishing operations. With a cutting diameter of 0.080", this tool delivers exceptional surface finish quality, dimensional accuracy, and extended tool life in demanding precision milling applications. Manufactured in Japan to stringent OEM standards, it is the preferred choice for aerospace, automotive, die & mold, and general manufacturing.
2. ISO Designation Breakdown
| ISO Designator | 4FL SQ TA Ø0.080" |
| Flute Count | 4 (4FL-Flute) |
| Nose Type | Square End (SQ) |
| Helix Angle | 30° Standard |
| Shank Type | Cylindrical (TA) |
| Overall Length | 1.14" |
3. Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
|---|---|---|
| Cutting Diameter (DC) | 0.080" (2.032 mm) | +0.000" / -0.001" |
| Flute Length (APMX) | 0.24" | ±0.005" |
| Neck Length | 0.192" | ±0.003" |
| Corner Radius | 0.000" (Sharp Corner) | ±0.0005" |
| Shank Diameter (DCON) | 0.125" | h6 |
| Overall Length (OAL) | 1.14" | ±0.010" |
| Core Thickness | 0.052" | — |
4. Grade Details – Key Grade Characteristics
Grade PR is a nano-structured PVD-coated ultrafine carbide grade developed specifically for precision milling applications:
- Substrate: Ultrafine tungsten carbide (0.6 μm grain size) with 12% Co binder for superior toughness
- Coating: Multi-layer TiAlN-based PVD coating with enhanced heat resistance up to 900°C
- Hardness: HRA 92.5 / HV 1,750
- Transverse Rupture Strength: >3,800 N/mm²
- Friction Coefficient: 0.35 (dry machining)
- Color Code: Copper-Bronze
5. Grade Comparison Matrix
| Grade | Coating | Best For | Speed (Vc) | Wear Resistance |
|---|---|---|---|---|
| PR | TiAlN PVD | Steel, Stainless, Ti | High | ★★★★☆ |
| PV | TiSiN | Hardened Steel >50 HRC | Very High | ★★★★★ |
| PR2 | AlCrN | Cast Iron, Non-Ferrous | Medium-High | ★★★★☆ |
6. Chipbreaker Profile
The SGM02426 features an optimized positive rake chipbreaker geometry designed for precision-scale chip evacuation:
- Rake Angle (γ): +12° for reduced cutting forces and minimized burr formation
- Clearance Angle (α): 8° primary + 15° secondary for stable flank wear
- Chipbreaker Width: 0.003" – 0.005" optimized for 0.080" diameter
- Chip Curl Radius: Tight curl radius (<0.010") for reliable evacuation in narrow slots
- Edge Preparation: Micro-honed T-land (0.001" × 20°) to prevent chipping on entry
- Core Strength: Robust 4-flute core design provides enhanced stability at higher feed rates
7. Recommended Applications & Workpiece Materials
| Material Group | Examples | Machinability | Surface Finish |
|---|---|---|---|
| Carbon Steel | 1045, 4140, 4340 | ★★★★★ Excellent | Ra 0.2 – 0.4 μm |
| Stainless Steel | 303, 304, 316L, 17-4PH | ★★★★☆ Very Good | Ra 0.3 – 0.6 μm |
| Titanium Alloys | Ti-6Al-4V, Ti-6Al-2Sn-4Zr-2Mo | ★★★☆☆ Good | Ra 0.4 – 0.8 μm |
| Hardened Steel | H13, D2, M2 (<55 HRC) | ★★★☆☆ Good | Ra 0.3 – 0.5 μm |
| Nickel Alloys | Inconel 718, Hastelloy C | ★★☆☆☆ Moderate | Ra 0.5 – 1.0 μm |
8. Application Map by Operation
| Operation | Suitability | Max Depth | Recommended Strategy |
|---|---|---|---|
| Slotting | ★★★★★ Ideal | 1.0× DC | Ramping Entry, 30% Stepover |
| Pocketing | ★★★★★ Ideal | 2.0× DC | Adaptive Clearing, Trochoidal |
| Shoulder Milling | ★★★★★ Ideal | 1.0× DC | Constant Engagement Path |
| Face Milling | ★★★★☆ Very Good | 0.5× DC | High-Speed Shallow Cuts |
| Plunge Milling | ★★★☆☆ Good | 0.3× DC | Peck Cycle, 0.1× DC per Peck |
9. Recommended Cutting Conditions
| Material | Vc (SFM) | fz (IPT) | ap (Axial) | ae (Radial) | Coolant |
|---|---|---|---|---|---|
| Carbon Steel (<30 HRC) | 350 – 450 | 0.0003 – 0.0005 | 1.0× DC | 0.05× DC | External / MQL |
| Stainless Steel (304/316) | 250 – 350 | 0.0002 – 0.0004 | 0.8× DC | 0.04× DC | High-Pressure Internal |
| Ti-6Al-4V | 120 – 180 | 0.00015 – 0.0003 | 0.6× DC | 0.03× DC | Flood / High-Pressure |
| Hardened Steel (45-55 HRC) | 150 – 220 | 0.0001 – 0.0002 | 0.4× DC | 0.02× DC | Air Blast / MQL |
| Inconel 718 | 80 – 120 | 0.0001 – 0.0002 | 0.5× DC | 0.025× DC | High-Pressure Flood |
10. Operating Guidelines
- Spindle Runout: Ensure TIR < 0.0002" (5 μm) at tool tip; use heat-shrink or hydraulic holders for best results.
- Tool Overhang: Minimize overhang to < 3× tool diameter to prevent chatter and deflection.
- Entry Strategy: Always use ramp or helical entry; avoid direct plunge into solid material.
- Chip Evacuation: Use through-spindle coolant (TSC) at minimum 70 bar (1,000 psi) for holes > 2× DC depth.
- Workholding: Rigid fixturing is essential; micro-tools are sensitive to vibration and part movement.
- Pre-Machining: Remove scale, oxide layers, or casting skin with a larger tool before finish passes.
- Tool Life Indicator: Monitor flank wear (VB) > 0.003" or surface deterioration; replace immediately to avoid catastrophic failure.
11. Toolholder Compatibility
| Holder Type | Shank Fit | Runout | Best Application |
|---|---|---|---|
| Heat-Shrink (HSK-E32/E40) | H6 Interference | < 3 μm | High-Speed Finishing |
| Hydraulic Expansion (HSK-E32) | H6 Clamping | < 3 μm | Universal Micro-Machining |
| Collet Chuck (ER11 / ER16) | Precision Collet | < 5 μm | General Purpose |
| Milling Chuck (KM / Capto) | Form Lock | < 5 μm | Heavy Slotting |
12. Packaging & Ordering Information
- Packaging: Individually packed in anti-static VCI foam pouch with protective tip cap.
- Quantity per Box: 1 pc (standard), 10 pcs (bulk pack available on request).
- Labeling: Each tool is laser-marked with MPN, batch code, and diameter for traceability.
- Minimum Order: 1 piece; volume discounts available for 50+ units.
- Lead Time: Stock items ship within 24 hours; non-stock items: 2-4 weeks ex-factory Japan.
- Replacement Policy: 100% manufacturer warranty against material and workmanship defects.
13. Catalog Meta Data
| Series | SGM Micro Endmill Series |
| Catalog Page | Vol. 3, Section B-14 (Solid Endmills) |
| ECCN | EAR99 |
| Country of Origin | Japan |
| RoHS Status | Compliant (2015/863/EU) |
| REACH Status | Compliant – SVHC-free |
| MSDS | Not required (solid article exemption) |
| Storage | Dry environment, 15-25°C, avoid condensation |
✓ 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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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.
