Kyocera APR-3 UN KSPTE00007 Endmill - CNC Milling
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: KSPTE00007
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Product Overview
The Kyocera APR-3 UN KSPTE00007 is a premium solid carbide corner-radius endmill engineered for high-performance CNC milling operations. This 3-flute cutter features a 1.000" diameter with a 0.030" corner radius, delivering exceptional surface finish and dimensional accuracy across aerospace, automotive, and precision manufacturing applications.
ISO Designation Breakdown
| Designation Element | Value | Description |
| Model Series | APR-3 | Corner-radius endmill series with advanced flute geometry |
| Cutting Diameter (D) | 1.000" | Nominal tool diameter for milling operations |
| Corner Radius (R) | 0.030" | Edge radius for improved surface finish and tool life |
| Cutting Length (LC) | 1.750" | Active flute length for axial engagement |
| Overall Length (LR) | 2.500" | Total tool length from shank to tip |
| Grade | UN | Ultra-fine grain carbide with advanced PVD coating |
| MPN | KSPTE00007 | Manufacturer Part Number for exact specification |
Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
| Cutting Diameter (D) | 1.000" | h6 |
| Corner Radius (R) | 0.030" | ±0.001" |
| Cutting Length (LC) | 1.750" | +0.000"/-0.010" |
| Overall Length (LR) | 2.500" | ±0.020" |
| Number of Flutes | 3 | — |
| Helix Angle | 30° | ±2° |
| Shank Diameter | 1.000" | h6 |
Grade Details - Key Grade Characteristics
The UN grade is an ultra-fine grain carbide substrate combined with a multi-layer PVD coating optimized for universal machining applications:
- Substrate: 0.5μm ultra-fine WC-Co grain structure for superior edge sharpness and toughness
- Coating: TiAlN-based multi-layer PVD coating with enhanced oxidation resistance up to 900°C
- Hardness: 92.5 HRA (±0.5) for exceptional wear resistance
- Transverse Rupture Strength: >3,800 MPa for demanding interrupted cuts
- Friction Coefficient: 0.35 (dry) reducing built-up edge and improving surface finish
Grade Comparison Matrix
| Property | UN Grade | Standard Grade | Advantage |
| Grain Size | 0.5 μm | 1.2 μm | 50% finer for sharper edges |
| Hardness (HRA) | 92.5 | 91.0 | Higher wear resistance |
| Coating Temp. Limit | 900°C | 750°C | 25% higher speed capability |
| Surface Finish (Ra) | 0.2 μm | 0.4 μm | Mirror finish capability |
Chipbreaker Profile
The APR-3 series features an optimized variable-pitch flute design with polished rake surfaces:
- Rake Angle: 8° positive for reduced cutting forces and improved chip evacuation
- Clearance Angle: 12° primary + 20° secondary for stable flank wear
- Chipbreaker Geometry: Wide land polished flute for excellent chip curl and controlled break
- Edge Preparation: 0.02mm hone (T-land) for edge stability without sacrificing sharpness
- Flute Polish: Mirror-polished flutes to 0.05μm Ra to prevent material adhesion
Recommended Applications & Workpiece Materials
| Material Group | Machinability | Recommended Use | Expected Tool Life |
| Carbon Steel (≤45 HRC) | Excellent | High-speed roughing to finishing | Extended |
| Alloy Steel (≤50 HRC) | Excellent | Semi-finishing and finishing | Long |
| Stainless Steel (304/316) | Very Good | Finishing with coolant | Good |
| Titanium Alloy (Ti-6Al-4V) | Good | Light finishing passes | Moderate |
| Cast Iron (Gray/Ductile) | Excellent | Dry machining preferred | Very Extended |
Application Map by Operation
| Operation Type | Suitability | Optimal Conditions | Notes |
| Profile Milling | ★★★★★ | ae = 0.5D, ap = 1.0D | Corner radius prevents chipping |
| Slot Milling | ★★★★☆ | ae = 0.3D, ap = 0.8D | Use climb milling for best finish |
| Pocket Milling | ★★★★★ | Trochoidal path, ae = 0.2D | Excellent chip evacuation |
| High-Speed Finishing | ★★★★★ | ae = 0.1D, fz = 0.05mm | Mirror finish achievable |
| 3D Contouring | ★★★★☆ | Constant scallop height | Smooth ball-like transitions |
Recommended Cutting Conditions
| Material | Vc (m/min) | fz (mm/tooth) | ap (mm) | ae (mm) | Coolant |
| Carbon Steel | 120-180 | 0.08-0.15 | 1.0×D | 0.5×D | Emulsion / MQL |
| Alloy Steel | 100-150 | 0.06-0.12 | 0.8×D | 0.4×D | Emulsion |
| Stainless Steel | 80-120 | 0.05-0.10 | 0.6×D | 0.3×D | High-pressure |
| Titanium | 40-60 | 0.04-0.08 | 0.5×D | 0.25×D | Flood |
| Cast Iron | 150-200 | 0.10-0.20 | 1.2×D | 0.6×D | Dry / Air |
Operating Guidelines
- Runout: Ensure spindle runout is less than 0.005mm TIR for optimal tool life and surface finish
- Tool Overhang: Minimize overhang to 3×D or less; use shrink-fit or hydraulic holders for best results
- Ramp Entry: Use helical ramp entry at 2°-3° max angle to avoid shock loading
- Coolant: Direct coolant to cutting zone at 8-10 bar for chip evacuation; avoid thermal shock
- Speed Ramp: Start at 70% of recommended Vc and increase incrementally to find machine sweet spot
- Inspection: Check corner radius wear every 30 minutes of cut time; replace when wear exceeds 0.005mm
Toolholder Compatibility
| Holder Type | Shank Fit | Runout Capability | Best Application |
| Shrink Fit | H6 | <0.003mm | High-speed finishing |
| Hydraulic Chuck | H6 | <0.005mm | Universal milling |
| Collet Chuck (ER32/ER40) | H6 | <0.010mm | General machining |
| Milling Chuck | H6 | <0.008mm | Heavy roughing |
Packaging & Ordering Information
| Item | Details |
| Packaging | Individual plastic tube with protective foam insert; 10 pcs per master carton |
| Labeling | Laser-marked with MPN, batch code, and manufacturing date |
| Minimum Order | 1 piece |
| Warranty | Full manufacturer warranty against material and workmanship defects |
| Certification | ISO 9001:2015 manufacturing; full material traceability |
Catalog Meta Data
| Attribute | Value |
| Catalog Series | APR-3 Corner Radius Endmill |
| Product Family | Solid Carbide Endmills |
| Industry Sectors | Aerospace, Automotive, Medical, Mold & Die, General Engineering |
| Replacement Policy | Direct cross-reference available; contact technical support for equivalents |
| Technical Support | Application engineering support available for process optimization |
✓ 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
✓ Global Buyer Protection
✓ 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.
