Kyocera Series 81 PR1225 CEM01370 Solid Carbide Endmill - General p...
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- Stock: In Stock
- Model: ENDMILL
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: CEM01370
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1. Product Overview
The Kyocera Series 81 PR1225 CEM01370 is a premium solid carbide endmill engineered for high-performance CNC milling operations. Featuring Kyocera's proprietary PR1225 grade substrate with advanced PVD coating technology, this 3.0mm diameter tool delivers exceptional wear resistance, thermal stability, and cutting-edge integrity under demanding machining conditions.
Designed for General purpose, slotting, shouldering, this endmill is optimized for machining Steel, stainless steel, cast iron with superior surface finish and extended tool life compared to conventional tooling solutions.
2. ISO Designation Breakdown
| ISO Code | CEM01370-PR1225-3.0mm |
| Manufacturer | Kyocera Corporation, Japan |
| Product Series | Series 81 Solid Carbide Endmill |
| Grade Designation | PR1225 (PVD Coated) |
| MPN / Catalog No. | CEM01370 |
| Tool Category | Solid Carbide Endmill – Square Type |
3. Engineering Dimensions & Geometry
| Parameter | Specification | Tolerance |
|---|---|---|
| Cutting Diameter (Dc) | 3.0 mm | h6 |
| Flute Length (L1) | 5.0 mm | ±0.5 mm |
| Number of Flutes (Z) | 4 | — |
| Helix Angle | 30° | ±2° |
| Corner Radius | Square | — |
| Core Diameter | 1.95 mm | — |
| Shank Diameter (D1) | 6 mm | h6 |
| Overall Length (L) | 57 mm | ±1.0 mm |
4. Grade Details – Key Grade Characteristics
The PR1225 grade is a Kyocera-exclusive PVD-coated carbide substrate developed specifically for high-performance milling applications:
- Substrate: Ultra-fine grain carbide (0.5 μm) for superior edge sharpness and toughness
- Coating: Multi-layer PVD (TiAlN-based) with oxidation resistance up to 1,100°C
- Hardness: 1,800 HV (coating) / 1,600 HV (substrate)
- Transverse Rupture Strength: >4,000 MPa
- Key Properties: Excellent wear resistance, high thermal stability, low coefficient of friction
- Best For: High-speed machining of steel, stainless steel, and cast iron
5. Grade Comparison Matrix
| Grade | Coating | Best For | Speed Range |
|---|---|---|---|
| PR1225 | PVD TiAlN | Steel, SS, Cast Iron | High |
| PR1535 | PVD TiAlN+TiSiN | Hardened Steel | Medium-High |
| CA6535 | CVD Al₂O₃+TiCN | Cast Iron | Medium |
| PR905 | PVD TiAlN | Aluminum, Non-Ferrous | Very High |
6. Chipbreaker Profile
This endmill features a precision-ground chipbreaker geometry optimized for General purpose, slotting, shouldering:
- Rake Angle: Positive 8°–12° (varies by flute)
- Clearance Angle: 10°–14° primary / 20°–25° secondary
- Chipbreaker Width: 0.15–0.25 mm
- Chipbreaker Depth: 0.03–0.05 mm
- Margin Width: 0.10–0.15 mm
- Function: Controls chip curl and evacuation, reduces cutting forces, prevents built-up edge
7. Recommended Applications & Workpiece Materials
| Material Group | Examples | Machinability |
|---|---|---|
| Carbon Steel | C45, C50, S45C, S50C | ★★★★★ Excellent |
| Alloy Steel | 4140, 4340, SCM440 | ★★★★☆ Very Good |
| Stainless Steel | 304, 316, 420, 17-4PH | ★★★★☆ Very Good |
| Tool Steel | H13, D2, M2 (≤45 HRC) | ★★★☆☆ Good |
| Cast Iron | GG25, GGG40, FC250 | ★★★★★ Excellent |
| Aluminum Alloy | 6061, 7075, A5052 | ★★★★☆ Very Good |
8. Application Map by Operation
| Operation | Suitability | Recommended ae/ap |
|---|---|---|
| Slotting | ★★★★★ Excellent | ae = 1.0×Dc, ap = 1.0–1.5×Dc |
| Shouldering | ★★★★★ Excellent | ae = 0.5–0.8×Dc, ap = 1.0–2.0×Dc |
| Profiling | ★★★★☆ Very Good | ae = 0.2–0.5×Dc, ap = 1.0–3.0×Dc |
| Plunge Milling | ★★★☆☆ Good | ap ≤ 0.5×Dc |
| Ramping | ★★★★☆ Very Good | Angle ≤ 15° |
| High-Feed Milling | ★★★☆☆ Good | ae = 0.1–0.2×Dc, fz = 0.15–0.30 mm |
9. Recommended Cutting Conditions
| Material | Cutting Speed Vc (m/min) | Feed per Tooth fz (mm) | Coolant |
|---|---|---|---|
| Carbon Steel (≤30 HRC) | 80-120 | 0.02-0.05 | Compressed air / MQL |
| Alloy Steel (30–45 HRC) | 64-96 | 0.02-0.05 | Water-soluble coolant |
| Stainless Steel (304/316) | 60-90 | 0.015-0.04 | Water-soluble coolant |
| Cast Iron (GG/GGG) | 96-144 | 0.02-0.05 | Dry / Compressed air |
| Aluminum Alloy | 200–400 | 0.05–0.15 | Water-soluble coolant |
Note: Values are starting recommendations. Adjust based on machine rigidity, workpiece clamping, and desired surface finish. Reduce speed by 20% for slotting operations.
10. Operating Guidelines
- Run-out Tolerance: Keep radial run-out below 0.01 mm at the cutting edge for optimal tool life
- Overhang: Minimize tool overhang; use 3×Dc or less for best rigidity
- Coolant: For steel, compressed air or MQL is preferred. For stainless steel, use ample water-soluble coolant
- Entry: Use ramp entry or helical interpolation; avoid direct plunge into solid material
- Chip Evacuation: Ensure adequate chip evacuation to prevent re-cutting and thermal damage
- Tool Inspection: Inspect cutting edges before each use; replace if chipping or excessive wear is observed
- Storage: Store in original packaging, away from moisture and corrosive environments
11. Toolholder Compatibility
| Toolholder Type | Compatibility | Notes |
|---|---|---|
| Hydraulic Chuck (HSK-A63/100) | ★★★★★ Excellent | Best damping and run-out control |
| Shrink Fit Chuck | ★★★★★ Excellent | High rigidity, ideal for high-speed machining |
| ER Collet Chuck (ER16/ER20/ER32) | ★★★★☆ Very Good | Ensure collet condition is good; max run-out 0.01 mm |
| Milling Chuck (KM/BT/BBT) | ★★★★☆ Very Good | Suitable for general milling operations |
| Weldon Flat Holder | ★★★☆☆ Good | Ensure set screw does not damage shank surface |
12. Packaging & Ordering Information
- Packaging: Individual plastic tube with protective tip cap and foam insert
- Quantity per Package: 1 piece
- Minimum Order Quantity: 1 piece
- Lead Time: In-stock items ship within 24–48 hours
- Warranty: Full manufacturer warranty against material and manufacturing defects
- Certification: ISO 9001:2015 certified manufacturing facility
13. Catalog Meta Data
| Catalog Series | Kyocera Solid Carbide Endmill – Series 81 |
| Product Line | Standard Square Endmill |
| Industry Standards | DIN 844, ISO 1641 |
| Manufacturing Origin | Japan |
| Quality Certification | ISO 9001:2015 |
| Last Catalog Update | 2024 |
Why Buy from Kyotow.com? Genuine Kyocera OEM products backed by full manufacturer warranty. Expert technical support, competitive pricing, and fast worldwide delivery. All products undergo rigorous quality inspection before dispatch.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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
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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.
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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。
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