Kyocera TNMG160412PQ CA025P TMH00048 - General CNC Turning
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- Stock: In Stock
- Model: CA025P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMH00048
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Product Overview
The Kyocera TNMG160412PQ with CA025P grade is a versatile CVD-coated indexable turning insert engineered for general-purpose CNC turning operations. The Triangular 60° geometry with a 1.2 mm nose radius and Medium Cutting – Positive Geometry delivers reliable chip control across a wide range of cutting conditions. With a 4.76 mm thickness, this insert offers excellent versatility for both semi-finishing and medium-cutting applications on steel and cast iron, making it an ideal choice for job shops and production facilities seeking consistent performance.
ISO Designation Breakdown
The insert designation TNMG160412PQ follows the ISO 1832 standard for indexable inserts. Each character in the code conveys specific geometric and functional information:
| Position | Code | Meaning |
|---|---|---|
| 1 – Shape | T | Triangular 60° |
| 2 – Clearance | N | Negative (0° clearance) |
| 3 – Tolerance | M | ±0.13 mm |
| 4 – Hole / Fixing | G | With cylindrical hole + chipbreaker grooves |
| 5 – Size (IC) | 16 | 16.5 mm |
| 6 – Thickness | 04 | 4.76 mm |
| 7 – Nose Radius | 12 | 1.2 mm |
| 8 – Chipbreaker | PQ | Medium Cutting – Positive Geometry |
Engineering Dimensions & Geometry
Precise dimensional data ensures correct toolholder selection and optimal machining performance:
| Dimension | Value | ISO Symbol |
|---|---|---|
| Inscribed Circle (IC) | 16.5 mm | d |
| Insert Thickness (S) | 4.76 mm | s |
| Nose Radius (rε) | 1.2 mm | rε |
| Inscribed Circle Code | 16 | — |
| Thickness Code | 04 | — |
| Nose Radius Code | 12 | — |
Grade Details – Key Grade Characteristics
CA025P is a high-performance CVD-coated carbide grade engineered specifically for steel and cast iron machining applications. The multi-layer coating architecture combines a TiCN base layer with an Al₂O₃ thermal barrier and a TiN top layer, delivering exceptional wear resistance and thermal stability.
- Wear Resistance: The Al₂O₃ layer provides superior abrasion resistance at high cutting temperatures, extending tool life by up to 30% compared to uncoated grades.
- Thermal Stability: Operating effectively up to 900°C, CA025P maintains hardness and chemical stability during high-speed steel machining.
- Adhesion Resistance: The TiN top layer minimizes built-up edge (BUE) formation when machining low-carbon and sticky steels.
- Substrate Toughness: The fine-grained WC-Co substrate offers excellent fracture resistance for interrupted cuts and unstable machining conditions.
- Coating Adhesion: Advanced CVD process ensures strong interlayer bonding, preventing premature coating delamination under cyclic thermal loads.
Grade Comparison Matrix
Compare CA025P with other popular Kyocera grades to select the optimal solution for your application:
| Grade | Coating | ISO Range | Best For | Max Speed |
|---|---|---|---|---|
| CA025P | CVD (TiCN+Al₂O₃+TiN) | P15–P35 | Steel, Cast Iron | 300 m/min |
| CA025M | CVD (TiCN+Al₂O₃) | P20–P40 | General Steel | 280 m/min |
| PR015S | PVD (TiAlN) | P01–P20 | Hardened Steel | 250 m/min |
| PV710 | PVD (TiAlN+TiN) | P10–P30 | Stainless Steel | 220 m/min |
Chipbreaker Profile
The PQ chipbreaker geometry is specifically designed for medium cutting operations, providing optimized chip formation and evacuation:
| Parameter | Specification |
|---|---|
| Chipbreaker Code | PQ |
| Geometry Type | Medium Cutting – Positive Geometry |
| Cutting Type | Medium cutting |
| Primary Application | General purpose turning, stable machining conditions, good chip control |
| Rake Angle | Positive |
| Chip Control | Excellent – optimized groove design |
Recommended Applications & Workpiece Materials
This insert is optimized for the following material groups and conditions:
| Workpiece Material | Condition | Suitability | Notes |
|---|---|---|---|
| Carbon Steel | Annealed / Normalized | ★★★★★ Excellent | Optimal chip formation |
| Alloy Steel | Quenched & Tempered | ★★★★☆ Very Good | Use lower speed range |
| Stainless Steel | Austenitic | ★★★★☆ Very Good | Sharp edge recommended |
| Cast Iron | Gray / Ductile | ★★★★★ Excellent | High wear resistance |
| Tool Steel | Hardened (≤45 HRC) | ★★★☆☆ Good | Reduce feed by 20% |
Application Map by Operation
Recommended operations and corresponding parameter ranges for the TNMG160412PQ insert:
| Operation | Suitability | Depth of Cut (ap) | Feed (fn) |
|---|---|---|---|
| External Turning | ✓ Primary | 0.5–2.0 mm | 0.08–0.20 mm/rev |
| Internal Turning / Boring | ✓ Suitable | 0.5–2.0 mm | 0.08–0.20 mm/rev |
| Face Turning | ✓ Suitable | 1.0–3.0 mm | 0.12–0.30 mm/rev |
| Profiling / Contouring | ○ Moderate | 0.3–1.2 mm | 0.05–0.15 mm/rev |
| Grooving / Parting | ✗ Not Recommended | — | — |
Recommended Cutting Conditions
The following table provides starting parameters for common workpiece materials. Always begin at conservative values and optimize based on machine capability and workpiece stability:
| Material | Cutting Speed Vc (m/min) | Feed fn (mm/rev) | Depth of Cut ap (mm) |
|---|---|---|---|
| Mild Steel | 160–240 | 0.12–0.30 | 1.0–3.0 |
| Carbon Steel | 130–190 | 0.08–0.20 | 0.5–2.0 |
| Alloy Steel | 90–140 | 0.05–0.15 | 0.3–1.2 |
| Cast Iron | 130–190 | 0.08–0.20 | 0.5–2.0 |
| Stainless Steel | 90–140 | 0.05–0.15 | 0.3–1.2 |
Values are starting recommendations. Adjust based on machine rigidity, workpiece stability, and coolant application. Use coolant for stainless steel and alloy steel applications.
Operating Guidelines
- Tool Setup: Ensure insert seat is clean and free of debris before clamping. Use correct torque wrench for clamping screw (typically 2.5–3.5 N·m).
- Coolant: High-pressure coolant (≥70 bar) is recommended for chip evacuation in deep-hole turning and stainless steel applications.
- Entry Angle: Maintain a tool cutting edge angle between 45° and 95° for optimal chip control and insert life.
- Speed Ramp: Start at the lower end of the recommended speed range and increase gradually while monitoring tool wear patterns.
- Feed Rate: Do not exceed maximum feed recommendations to avoid insert fracture. Reduce feed by 15–20% for interrupted cuts.
- Insert Change: Replace insert when flank wear (VB) reaches 0.3 mm or when surface finish degrades noticeably.
- Storage: Store in original packaging in a dry environment. Avoid contact with corrosive substances.
Toolholder Compatibility
Ensure proper toolholder selection for safe and effective insert clamping:
| Toolholder Type | Compatible Series | Insert Size | Clamping |
|---|---|---|---|
| External Turning | MTJNR / MTJNL | 16 (11/16") | Lever Lock |
| External Turning | STGCR / STGCL | 16 (11/16") | Lever Lock |
| Internal Boring | S-TQCR / S-TQCL | 16 (11/16") | Screw Clamp |
Note: Always verify toolholder compatibility using the insert shape, size, and clamping method before purchase. Contact our technical support team for application-specific recommendations.
Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number | TMH00048 |
| Standard Pack Quantity | 10 inserts per pack |
| Packaging | Individual plastic insert boxes with foam protection |
| Minimum Order | 1 pack (10 inserts) |
| Country of Origin | Japan |
| Certification | ISO 9001:2015, ISO 14001:2015 |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Family | Kyocera Indexable Turning Inserts |
| Series | T Series – Triangular 60° |
| Grade Series | CA Series – CVD Coated Carbide |
| Chipbreaker Series | PQ Series |
| ISO Application Group | P15–P35 (Steel Machining) |
| Insert Standard | ISO 1832 |
| Substrate | WC-Co Cemented Carbide |
| Coating Layers | TiCN (Base) + Al₂O₃ (Barrier) + TiN (Top) |
✓ 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.
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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.
