Kyocera CNMM120408PX CA025P TMH00134 Turning Insert - Medium Turning S
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- Stock: In Stock
- Model: CA025P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMH00134
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Product Overview
The Kyocera CNMM120408PX is a premium-grade indexable carbide turning insert engineered for precision CNC machining applications. Featuring the CA025P multi-layer CVD-coated grade and the PX - Medium-Duty Turning chipbreaker, this insert delivers exceptional performance in medium turning, semi-finishing, general purpose. With an inscribed circle (IC) of 12.70 mm, thickness of 4.76 mm, and corner radius of 0.8 mm, it is designed to meet the rigorous demands of modern manufacturing.
Each insert is manufactured in Japan to strict ISO 9001 quality standards, ensuring consistent dimensional accuracy, coating uniformity, and cutting-edge integrity. The CA025P grade combines a tough cemented carbide substrate with advanced TiCN/Al₂O₃/TiN multi-layer coating, providing superior wear resistance, thermal stability, and extended tool life.
ISO Designation Breakdown
| Position | Code | Meaning |
|---|---|---|
| 1st Letter | C | 80° Rhombic (Diamond) — 80° included angle |
| 2nd Letter | N | 0° Clearance — Neutral insert with 0° clearance angle. Requires negative rake toolholder. Offers maximum edge strength and is ideal for heavy-duty roughing operations. |
| 3rd Letter | M | Class M (±0.08mm) — Medium tolerance class with ±0.08mm dimensional accuracy. Suitable for general-purpose turning with reliable performance. |
| 4th Letter | M | Without Hole (Solid) — Solid insert without central hole. Requires top-clamp or wedge clamping system. Provides full cutting edge utilization. |
| 5–6 Digits | 12 | Inscribed Circle Diameter = 12.70 mm |
| 7–8 Digits | 04 | Insert Thickness = 4.76 mm |
| 9–10 Digits | 08 | Corner Radius = 0.8 mm |
| Suffix | PX | PX - Medium-Duty Turning |
Engineering Dimensions & Geometry
| Parameter | Value | Notes |
|---|---|---|
| Inscribed Circle (IC) | 12.70 mm | ISO 13399 compliant |
| Insert Thickness (S) | 4.76 mm | Nominal thickness per ISO 1832 |
| Corner Radius (rε) | 0.8 mm | Precision ground |
| Included Angle | 80° | Rhombic geometry |
| Clearance Angle | 0° | Negative rake insert |
| Tolerance Class | Class M (±0.08mm) | Dimensional accuracy guaranteed |
| Hole Configuration | Without Hole (Solid) | Secure clamping via screw/pin |
| Insert Type | Negative Solid Insert | For negative rake toolholders |
Grade Details — CA025P
Key Grade Characteristics
| Property | Specification |
|---|---|
| Substrate Material | Cemented Carbide (P15-P35) |
| Coating Technology | CVD Multi-Layer (TiCN + Al₂O₃ + TiN) |
| Coating Color | Gold/Yellow |
| Hardness | HRA 91.5 |
| Transverse Rupture Strength | 2,400 MPa |
| ISO Application Range | P15–P35 (Steel, Stainless Steel) |
| Max Operating Temperature | 900°C |
Grade Comparison Matrix
| Grade | Coating | Wear Resistance | Toughness | Best For |
|---|---|---|---|---|
| CA025P | TiCN+Al₂O₃+TiN | ★★★★★ | ★★★★☆ | Steel, SS (P15–P35) |
| CA530 | TiCN+Al₂O₃+TiN | ★★★★☆ | ★★★★★ | Interrupted cutting |
| PR930 | TiCN+Al₂O₃+TiN | ★★★★★ | ★★★☆☆ | High-speed finishing |
Chipbreaker Profile — PX - Medium-Duty Turning
Balanced chipbreaker geometry for medium-duty turning. Optimized for semi-finishing and general-purpose applications with moderate depths of cut (ap = 1.0–4.0 mm).
Recommended Applications & Workpiece Materials
| Material Group | Examples | Machinability | Recommended |
|---|---|---|---|
| Carbon Steel | C35, C45, C60, 1045, 1060 | Good | ✓ Excellent |
| Alloy Steel | 42CrMo4, 34CrNiMo6, 4140, 4340 | Moderate | ✓ Excellent |
| Stainless Steel (Martensitic) | 410, 420, 440C, 1.4021 | Moderate | ✓ Good |
| Stainless Steel (Ferritic) | 430, 1.4016 | Good | ✓ Good |
| Tool Steel | H13, D2, O1, 1.2344 | Difficult | ✓ Good (reduce speed) |
| Cast Steel | GS-52, GS-60 | Moderate | ✓ Good |
Application Map by Operation
| Operation | Suitability | Depth of Cut | Feed Rate | Expected Finish |
|---|---|---|---|---|
| External Turning | ★★★★★ | 1.0–4.0 mm | 0.20–0.45 mm/rev | Ra 1.6–3.2 µm |
| Facing | ★★★★★ | 1.0–4.0 mm | 0.20–0.45 mm/rev | Ra 1.6–3.2 µm |
| Profiling / Contouring | ★★★★☆ | 0.5–3.0 mm | 0.10–0.30 mm/rev | Ra 0.8–3.2 µm |
| Grooving | ★★★☆☆ | Up to 5 mm | 0.08–0.20 mm/rev | Ra 1.6–6.3 µm |
| Parting Off | ★★☆☆☆ | Up to insert width | 0.05–0.15 mm/rev | Ra 3.2–12.5 µm |
Recommended Cutting Conditions
| Parameter | Recommended Range | Optimal | Notes |
|---|---|---|---|
| Cutting Speed (Vc) | 180–300 m/min | Mid-range | Adjust for material hardness |
| Feed Rate (f) | 0.20–0.45 mm/rev | Mid-range | Lower for better finish |
| Depth of Cut (ap) | 1.0–4.0 mm | 2.0–4.0 mm | Avoid exceeding 0.5× IC |
| Coolant | Wet or dry | Wet | Use water-soluble coolant 5–8% |
| Surface Finish Target | Ra 1.6–3.2 µm | — | Depends on feed & nose radius |
Operating Guidelines
- Tool Setup: Ensure the insert is properly seated in the toolholder pocket with correct clamping torque (typically 3.5–5.0 N·m for M3.5 screws).
- Run-In: For the first 2–3 minutes, reduce cutting speed by 20% to allow the coating to stabilize and seat properly.
- Chip Control: Monitor chip formation. Ideal chips should be short, curled, and evacuated smoothly. Adjust feed rate if chips are too long or stringy.
- Tool Life Monitoring: Inspect the flank wear (VB) regularly. Replace the insert when VB reaches 0.3 mm for roughing or 0.15 mm for finishing.
- Coolant Flow: Direct coolant precisely at the cutting zone. Minimum flow rate: 8–12 L/min at 4–6 bar pressure for effective chip evacuation and temperature control.
- Storage: Keep inserts in original packaging until use. Avoid direct contact between inserts to prevent edge chipping.
- Safety: Always wear safety glasses and gloves when handling inserts. Dispose of used inserts according to local metal waste regulations.
Toolholder Compatibility
The CNMM120408PX is compatible with the following standard ISO toolholder series:
| Toolholder Series | Style | Approach Angle | Application |
|---|---|---|---|
| MCMNN | External turning, facing | 95° | Standard external operations |
| MCLNR/L | External turning, facing | 95° | Standard external operations |
| MCKNR/L | External turning, profiling | 75° | Standard external operations |
Note: Ensure the toolholder pocket matches the insert size (IC-12) and thickness (4.76 mm). Use genuine Kyocera toolholders for optimal performance.
Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number (MPN) | TMH00134 |
| Quantity per Pack | 10 inserts |
| Packaging Type | Anti-static blister pack with foam insert |
| Label Information | ISO designation, grade, batch number, barcode, RoHS compliance mark |
| Storage Conditions | Store in original packaging at 15–25°C, humidity <60%RH |
| Minimum Order Quantity | 10 inserts (1 pack) |
| Warranty | Manufacturer defect warranty — 12 months from date of purchase |
Catalog Meta Data
| Field | Value |
|---|---|
| Brand | Kyocera |
| ISO Designation | CNMM120408PX |
| Grade | CA025P |
| MPN | TMH00134 |
| Product Category | Indexable Turning Insert |
| Tool Type | Negative Solid Insert |
| Coating | CVD Multi-Layer (TiCN + Al₂O₃ + TiN) |
| Application Group | P15–P35 (Steel, Stainless Steel) |
| Country of Manufacture | Japan |
| Compliance | ISO 1832, ISO 13399, RoHS compliant |
All specifications are subject to the manufacturer's published data. For the most current technical information, please refer to the official Kyocera catalog or contact our technical support 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
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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.
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.
