Kyocera DNMG150408 CA025P TMH00187 Turning Insert - Steel finishing
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- Stock: In Stock
- Model: CA025P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMH00187
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Product Overview
The Kyocera DNMG150408 CA025P (MPN: TMH00187) is a premium-grade indexable turning insert engineered for high-precision CNC machining applications. Featuring the PT chipbreaker profile and TiCN + Al₂O₃ + TiN Multi-layer CVD coating, this insert delivers exceptional surface finish quality, extended tool life, and reliable chip control across a broad range of cutting conditions.
ISO Designation Breakdown
| Position | Code | Meaning |
|---|---|---|
| 1 - Shape | D | 55° Diamond (Rhombic) |
| 2 - Clearance | N | 0° (Negative Insert) |
| 3 - Tolerance | M | ±0.05 mm (d), ±0.11 mm (m) |
| 4 - Type | G | Cylindrical hole with countersinks |
| 5 - Size | 15 | Cutting edge length: 15 mm |
| 6 - Thickness | 04 | Insert thickness: 4.76 mm |
| 7 - Radius | 08 | Corner radius: 0.8 mm |
| 8 - Chipbreaker | PT | Finishing Chipbreaker |
Engineering Dimensions & Geometry
| Parameter | Value | Notes |
|---|---|---|
| Inscribed Circle (IC) | 15.875 mm | Standard ISO dimension |
| Cutting Edge Length | 15 mm | Per ISO 1832 |
| Insert Thickness | 4.76 mm | Measured from clamping plane |
| Corner Radius | 0.8 mm | Nose radius for surface finish |
| Nose Angle | 55° | Diamond geometry |
| Clearance Angle | 0° | Negative insert - double-sided |
| Number of Cutting Edges | 4 (2 per side) | Double-sided design |
| Hole Diameter | 5.16 mm | Standard for DNMG inserts |
| Weight | 0.1 kg (per 10 pcs) | Approximate |
Grade Details - Key Grade Characteristics
| Property | Specification |
|---|---|
| Grade Name | CA025P |
| Grade Type | Cermet Grade |
| Coating System | TiCN + Al₂O₃ + TiN Multi-layer CVD |
| Substrate | Tungsten Carbide with Titanium Carbonitride |
| Insert Color | Gold/Yellow |
| Hardness | ~92 HRA |
| Primary Application | Steel machining, carbon steel, alloy steel, stainless steel |
| Key Features | High wear resistance, excellent surface finish capability, stable at high cutting speeds |
Grade Comparison Matrix
| Grade | Type | Coating | Best For | Speed Range |
|---|---|---|---|---|
| CA025P | Cermet | TiCN/Al₂O₃/TiN | Steel finishing to semi-finishing | 150-350 m/min |
| CA4010 | Cermet | TiCN/Al₂O₃/TiN | Steel finishing | 180-400 m/min |
| CA4115 | Cermet | TiCN/Al₂O₃/TiN | Steel semi-finishing | 150-350 m/min |
| CA4120 | Cermet | TiCN/Al₂O₃/TiN | Steel roughing | 120-300 m/min |
| PR905 | Carbide | PVD | Stainless steel | 80-200 m/min |
| PR915 | Carbide | PVD | Heat-resistant alloys | 50-150 m/min |
Chipbreaker Profile
| Attribute | Specification |
|---|---|
| Chipbreaker Code | PT |
| Chipbreaker Type | Finishing |
| Description | High-precision finishing chipbreaker for mirror-finish applications and tight tolerances. |
| Recommended Feed Rate | 0.05 - 0.20 mm/rev |
| Recommended Depth of Cut | 0.1 - 1.5 mm |
| Primary Applications | Steel finishing, super-finishing |
Recommended Applications & Workpiece Materials
| Material Group | Material Examples | Machinability | Recommended Use |
|---|---|---|---|
| P - Steel | Carbon steel, alloy steel, tool steel | Excellent | Primary target material |
| M - Stainless Steel | Austenitic, martensitic SS | Good | With reduced parameters |
| K - Cast Iron | Gray cast iron, ductile iron | Good | Light to medium cuts |
| N - Non-ferrous | Aluminum, copper alloys | Fair | Not recommended |
Application Map by Operation
| Operation Type | Suitability | Notes |
|---|---|---|
| External Turning | ★★★★★ | Primary application - excellent performance |
| Internal Turning | ★★★★☆ | Compatible with appropriate toolholder |
| Facing | ★★★★★ | Excellent chip evacuation |
| Grooving | ★★☆☆☆ | Not recommended - use dedicated grooving inserts |
| Parting Off | ★☆☆☆☆ | Not recommended - use dedicated parting tools |
| Threading | ★☆☆☆☆ | Not recommended - use dedicated threading inserts |
| Profiling / Copying | ★★★★☆ | Good for moderate copy angles |
Recommended Cutting Conditions
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) | Coolant |
|---|---|---|---|---|
| Carbon Steel (P.1) | 200-350 m/min | 0.10-0.40 mm/rev | 0.5-4.0 mm | Recommended |
| Alloy Steel (P.2-P.3) | 150-280 m/min | 0.10-0.35 mm/rev | 0.5-3.5 mm | Recommended |
| Stainless Steel (M.1) | 100-200 m/min | 0.08-0.25 mm/rev | 0.5-2.5 mm | Required |
| Cast Iron (K.1-K.2) | 120-220 m/min | 0.12-0.40 mm/rev | 1.0-4.0 mm | Optional |
| Hardened Steel (>45 HRC) | 80-150 m/min | 0.08-0.20 mm/rev | 0.2-1.5 mm | Required |
Operating Guidelines
- Tool Setup: Ensure proper seat contact in the toolholder pocket. Use a torque wrench to tighten clamping screws to manufacturer specifications (typically 3-4 Nm).
- Coolant: Flood coolant is recommended for steel machining to extend tool life and improve surface finish. Minimum coolant pressure: 5 bar.
- Entry/Exit: Use ramp entry or rounded corner approach to minimize impact loading on the cutting edge. Avoid direct plunge into solid material.
- Chip Management: Monitor chip formation - ideal chips should be short, curled, and easily evacuated. Adjust feed rate if chips are too long or stringy.
- Tool Life Monitoring: Inspect inserts regularly for flank wear (VB max 0.3 mm) and crater wear. Index or replace when wear limits are reached.
- Workpiece Preparation: Ensure adequate stock allowance and consistent diameter for optimal cutting conditions.
- Machine Rigidity: Use rigid setup with minimal overhang. Vibration will reduce tool life and surface quality significantly.
Toolholder Compatibility
| Toolholder Series | Insert Size | Application | Clamping Type | |---|---|---|---| | MDJNR/L | DNMG 15xx | External Turning | Lever Lock | | DDJNR/L | DNMG 15xx | External Turning | Lever Lock | | PDJNR/L | DNMG 15xx | External Turning | Lever Lock | | MVJNR/L | DNMG 11xx | External Turning | Lever Lock | | DVJNR/L | DNMG 11xx | External Turning | Lever Lock | | MWLNR/L | DNMG 15xx | External Facing | Wedge Lock | | DWLNR/L | DNMG 15xx | External Facing | Wedge Lock |Packaging & Ordering Information
| Detail | Information |
|---|---|
| Standard Pack Quantity | 10 pieces per box |
| Packaging Type | Individual plastic insert pockets in labeled box |
| MPN (Manufacturer Part Number) | TMH00187 |
| Model Code | DNMG150408 |
| Grade | CA025P |
| Manufacturer | Kyocera |
| Country of Origin | Japan |
| Quality Certification | ISO 9001, ISO 14001 |
| Minimum Order Quantity | 10 pieces (1 box) |
Catalog Meta Data
| Field | Value |
|---|---|
| Catalog Series | Kyocera Standard Turning Inserts |
| Product Family | DNMG Negative Inserts |
| ISO Standard | ISO 1832:2017 |
| ANSI Equivalent | DNMG 150408 |
| Coating Technology | CVD Multi-layer |
| Edge Preparation | Ground |
| Insert Class | Standard Precision |
| Inventory Status | In Stock |
| Last Updated | 2026-06-27 |
✓ 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
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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.
