Kyocera TNMG160402GP CA025P TMH00259
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- Stock: In Stock
- Model: CA025P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMH00259
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Product Overview
The Kyocera TNMG160402GP (Grade CA025P, MPN: TMH00259) is a premium indexable turning insert engineered for versatile general-purpose turning and facing. Built on Kyocera's advanced Cemented Carbide (P20-P30) substrate with a CVD TiN/Al₂O₃/TiCN Multi-layer coating, this insert delivers exceptional wear resistance and thermal stability under demanding cutting conditions. The GP chipbreaker geometry ensures reliable chip control and superior surface finish across a wide range of workpiece materials.
Designed for professional CNC turning operations, this insert offers a cost-effective solution for manufacturers seeking consistent part quality and extended tool life. The 0.2 mm corner radius provides the optimal balance between edge strength and surface finish capability.
ISO Designation Breakdown
| Position | Code | Parameter | Description |
|---|---|---|---|
| 1 | T | Insert Shape | Triangular (60°) |
| 2 | N | Clearance Angle | 0° (Neutral) |
| 3 | M | Tolerance Class | ±0.13 mm (Standard) |
| 4 | G | Mounting Type | Mounting Hole without Countersink |
| 5–6 | 16 | Inscribed Circle (IC) | 15.875 mm (5/8") |
| 7–8 | 04 | Insert Thickness (S) | 4.76 mm (3/16") |
| 9–10 | 02 | Corner Radius (rε) | 0.2 mm |
| 11+ | GP | Chipbreaker / Geometry | GP — General Purpose |
Engineering Dimensions & Geometry
| Parameter | Value | Notes |
|---|---|---|
| Inscribed Circle Diameter (dᵢ) | 15.875 mm (5/8") | ISO 13399 compliant |
| Insert Thickness (S) | 4.76 mm (3/16") | Nominal thickness |
| Corner Radius (rε) | 0.2 mm | Nose radius for surface finish |
| Clearance Angle (α) | 0° (Neutral) | Neutral rake for general use |
| Tolerance Class | ±0.13 mm (Standard) | Standard machining tolerance |
| Mounting Hole | Mounting Hole without Countersink | Compatible with standard clamps |
| Chipbreaker Geometry | GP | All-round chipbreaker with positive rake geometry. Low cutting forces and good chip curl. |
Grade Details — Key Grade Characteristics
| Property | Specification |
|---|---|
| Grade Name | CA025P |
| Substrate Material | Cemented Carbide (P20-P30) |
| Coating Type | CVD TiN/Al₂O₃/TiCN Multi-layer |
| Coating Color | Gold/Yellow |
| Hardness | 91.5 HRA |
| Transverse Rupture Strength | 2,200 MPa |
| Primary Applications | Steel, Stainless Steel, Cast Iron |
- High wear resistance
- Excellent thermal stability
- Superior crater resistance
- Smooth chip control
- Extended tool life
Grade Comparison Matrix
| Performance Metric | CA025P Rating | Industry Benchmark |
|---|---|---|
| Wear Resistance | ★★★★★ | ★★★☆☆ |
| Toughness | ★★★★☆ | ★★★☆☆ |
| Heat Resistance | ★★★★★ | ★★★☆☆ |
| Chip Control | ★★★★☆ | ★★★☆☆ |
| Versatility | ★★★★★ | ★★★☆☆ |
Chipbreaker Profile
| Parameter | Specification |
|---|---|
| Chipbreaker Code | GP |
| Profile Type | General Purpose |
| Description | All-round chipbreaker with positive rake geometry. Low cutting forces and good chip curl. |
| Depth of Cut Range (aₚ) | 0.2–2.5 mm |
| Feed Rate Range (fₙ) | 0.08–0.35 mm/rev |
| Recommended Application | General turning, semi-finishing |
Recommended Applications & Workpiece Materials
This insert grade and geometry combination is optimized for the following material groups:
- Carbon Steel
- Alloy Steel
- Stainless Steel
- Cast Iron
- Tool Steel
The CA025P grade with GP geometry provides reliable performance in both continuous and lightly interrupted cuts. For optimal results, match the cutting parameters to the specific workpiece material hardness and condition.
Application Map by Operation
| Operation Type | Suitability Rating | Remarks |
|---|---|---|
| Finishing | ★★★★☆ | Excellent surface finish capability with small DOC |
| Semi-Finishing | ★★★★★ | Balanced chip control and productivity |
| Roughing | ★★★☆☆ | Reduce speed by 15% for heavy roughing |
| Interrupted Cutting | ★★☆☆☆ | Use reduced cutting speed to prevent chipping |
Recommended Cutting Conditions
| Operation | Cutting Speed vc (m/min) | Feed fn (mm/rev) | Depth of Cut ap (mm) |
|---|---|---|---|
| Finishing | 250–350 | 0.10–0.25 | 0.2–1.0 |
| Semi-Finishing | 180–280 | 0.15–0.35 | 0.5–2.5 |
| Roughing | 120–200 | 0.25–0.60 | 1.5–5.0 |
Note: Values are guidelines for medium-carbon steel. Reduce speed by 15–25% for stainless steel and increase by 10–15% for cast iron. Always start at the lower end of the range and optimize based on machine condition and part requirements.
Operating Guidelines
- Store inserts in original packaging away from direct sunlight and moisture.
- Use adequate coolant flow (minimum 8–12 bar) for steel and stainless steel applications.
- Verify insert seating surface is clean and free from debris before mounting.
- For cast iron machining, dry cutting or minimal coolant is preferred to avoid thermal shock.
- Use recommended nose radius for the desired surface finish (smaller radius = finer finish).
Toolholder Compatibility
| Compatible Toolholder | Style | Remarks |
|---|---|---|
| MTJNR/L 2525M16 | External | Verify clamp and shim compatibility |
| PTJNR/L 2525M16 | External | Verify clamp and shim compatibility |
| DTJNR/L 2020K16 | External | Verify clamp and shim compatibility |
| STGCR/L 2525M16 | Internal | Verify clamp and shim compatibility |
Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number (MPN) | TMH00259 |
| ISO Designation | TNMG160402GP |
| Grade | CA025P |
| Standard Pack Quantity | 10 inserts per pack |
| Packaging Type | Plastic protective box with foam insert |
| Minimum Order Quantity | 1 pack (10 inserts) |
| Unit Price | £5.1 per insert |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product ID | 1991 |
| Brand | Kyocera |
| Product Category | Indexable Turning Inserts |
| Tool Type | Triangular Turning Insert — General Purpose Insert |
| Coating Technology | CVD Multi-layer (TiN/Al₂O₃/TiCN) |
| Industry Standards | ISO 1832, ISO 13399 |
| Country of Manufacture | Japan |
| Warranty | Genuine Kyocera product — manufacturer-backed quality guarantee |
✓ 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.
