Kyocera DNMG150412PH CA125P TMK00159 CNC Insert - Heavy Machining
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- Stock: In Stock
- Model: CA125P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMK00159
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Product Overview
The Kyocera DNMG150412PH CA125P TMK00159 is a precision-engineered 55° negative turning insert designed for heavy machining. Manufactured in Japan to strict ISO 1832 standards, this insert combines a fine-grained carbide substrate with an advanced TiAlN PVD coating to deliver exceptional wear resistance, thermal stability, and extended tool life in demanding CNC environments.
Whether you are performing external turning, facing, or boring operations, the DNMG150412PH offers optimized chip control through its PH – Heavy Machining geometry, ensuring consistent surface finish and reliable performance across high-volume production runs.
ISO Designation Breakdown
Every Kyocera insert is marked with a standardized ISO code that describes its geometry, tolerance, and features. Below is the complete breakdown for DNMG150412PH:
| Position | Code | Meaning |
|---|---|---|
| 1st Letter | D | 55° Diamond (Rhombic) insert shape |
| 2nd Letter | N | Negative (0° clearance angle) |
| 3rd Letter | M | Class M dimensional tolerance (±0.05 mm) |
| 4th Letter | G | Cylindrical hole with 40° countersink (G-type) |
| 5–6 Digits | 15 | Inscribed circle (IC) size: 15.875 mm (5/8″) |
| 7–8 Digits | 04 | Insert thickness: 4.76 mm (3/16″) |
| 9–10 Digits | 12 | Corner radius: 1.2 mm |
| Suffix | PH | PH – Heavy Machining |
Engineering Dimensions & Geometry
Accurate dimensional data is essential for tool selection and simulation. All measurements are nominal per ISO 1832:
| Parameter | Metric | Imperial |
|---|---|---|
| Inscribed Circle (IC) | 15.875 mm | 5/8″ |
| Thickness (S) | 4.76 mm | 3/16″ |
| Corner Radius (rε) | 1.2 mm | 0.0472″ |
| Hole Diameter | 5.16 mm | 0.203″ |
| Overall Length (L) | 17.7 mm | 0.697″ |
Note: Tolerance class M applies to all dimensions above. Actual values may vary ±0.05 mm.
Grade Details – Key Grade Characteristics
The CA125P grade is a versatile, PVD-coated carbide designed for multi-material machining. Its balanced properties make it the go-to choice for job shops and production facilities alike:
| Characteristic | CA125P Specification |
|---|---|
| Substrate | Fine-grained tungsten carbide (WC-Co) |
| Coating | TiAlN-based multilayer PVD coating |
| Coating Color | Bronze / Copper |
| Hardness | HRA 92.5 |
| Transverse Rupture Strength | ≥ 3,500 MPa |
| Thermal Stability | Up to 800°C continuous |
| ISO Application Groups | P15–P30 (Steel), M15–M25 (Stainless), K15–K25 (Cast Iron) |
| Wear Resistance | Excellent (★★★★★) |
| Chipping Resistance | Very Good (★★★★☆) |
Grade Comparison Matrix
Selecting the correct grade is critical for maximizing productivity and minimizing cost per edge. Compare CA125P with adjacent grades in the Kyocera portfolio:
| Grade | Coating | Substrate | ISO Range | Best For |
|---|---|---|---|---|
| CA125P | TiAlN PVD | Fine-grain carbide | P15–P30, M15–M25 | Steel, stainless steel, cast iron |
| CA115P | TiAlN PVD | Ultra-fine grain | P10–P20 | High-speed finishing in steel |
| CA325P | TiCN+Al2O3 CVD | Medium grain | P30–P40 | Heavy roughing in steel |
| PR905 | TiAlN PVD | Fine-grain carbide | M10–M20 | Stainless steel, exotic alloys |
Chipbreaker Profile
The chipbreaker geometry directly influences chip formation, cutting forces, and surface integrity. The PH – Heavy Machining profile on this insert is tailored for specific machining regimes:
| Property | Specification |
|---|---|
| Chipbreaker Name | PH – Heavy Machining |
| Edge Type | Heavy duty |
| Recommended Feed | 0.25–0.60 mm/rev |
| Recommended DOC | 2.0–6.0 mm |
| Surface Finish | Good |
| Chip Control | Optimized groove geometry for heavy machining |
Recommended Applications & Workpiece Materials
The DNMG150412PH with CA125P grade is recommended for the following material groups and conditions:
- Carbon & Alloy Steels – Ideal for continuous and lightly interrupted cuts in mild steel, medium-carbon steel, and alloy steels up to 45 HRC.
- Stainless Steels – Performs well in austenitic and ferritic grades; reduced speed recommended for duplex and precipitation-hardening grades.
- Cast Irons – Excellent for gray cast iron (HB 180–260) and ductile cast iron (HB 150–220). Not recommended for chilled cast iron.
- Non-Ferrous Metals – Limited application in aluminum and copper alloys; prefer uncoated or polished grades for best results.
Application Map by Operation
Understand where this insert excels within your machining workflow:
| Operation | Suitability | Remarks |
|---|---|---|
| External Turning | ⭐⭐⭐⭐⭐ Excellent | Primary application; stable chip control |
| Internal Turning (Boring) | ⭐⭐⭐⭐☆ Very Good | Use with appropriate boring bar |
| Facing | ⭐⭐⭐⭐⭐ Excellent | Negative geometry ensures rigidity |
| Profiling | ⭐⭐⭐☆☆ Good | Larger radius limits fine profiling |
| Grooving / Parting | ⭐☆☆☆☆ Not Recommended | Use dedicated groove/parting inserts |
| Threading | ⭐☆☆☆☆ Not Recommended | Use dedicated threading inserts |
Recommended Cutting Conditions
Start with the parameters below and optimize based on machine rigidity, workpiece stability, and coolant delivery:
| Workpiece Material | Cutting Speed (Vc) | Feed (fn) | Depth of Cut (ap) |
|---|---|---|---|
| Low-carbon Steel (< 0.25% C) | 120–200 m/min | 0.25–0.60 mm/rev | 2.0–6.0 mm |
| Medium-carbon Steel (0.25–0.60% C) | 120–200 m/min | 0.25–0.60 mm/rev | 2.0–6.0 mm |
| Alloy Steel (annealed) | 120–200 m/min | 0.25–0.60 mm/rev | 2.0–6.0 mm |
| Stainless Steel (Austenitic) | 80–150 m/min | 0.25–0.60 mm/rev | 2.0–6.0 mm |
| Gray Cast Iron (HB 180–220) | 100–170 m/min | 0.25–0.60 mm/rev | 2.0–6.0 mm |
| Ductile Cast Iron (HB 150–200) | 100–170 m/min | 0.25–0.60 mm/rev | 2.0–6.0 mm |
Values are starting recommendations. Adjust based on machine condition, setup rigidity, and coolant pressure. Always begin at the lower end of the speed range for new applications.
Operating Guidelines
Follow these best practices to maximize insert life and machining quality:
- Always use adequate coolant flow for chip evacuation and temperature control.
- Verify toolholder clamping torque (recommended 2.5–3.5 N·m for M3.5 screw).
- Ensure insert seat is clean and undamaged before mounting.
- Use positive-rake toolholders for optimal chip control with negative inserts.
- Reduce cutting speed by 15–20% when machining hardened steels (> 45 HRC).
- For interrupted cuts, reduce feed by 10–15% to prevent edge chipping.
- Inspect insert edge after every 30–60 minutes of continuous operation.
- Store inserts in original packaging away from moisture and direct sunlight.
Toolholder Compatibility
This insert is compatible with standard ISO toolholders designed for DNMG negative inserts. Recommended series include:
| Toolholder Series | Insert Compatibility | Approach Angle |
|---|---|---|
| MDJNR/L (93° toolholder) | DNMG-1504 | 93° / 55° / 117.5° |
| DDJNR/L (55° toolholder) | DNMG-1504 | 93° / 55° / 117.5° |
| PDJNR/L (117.5° toolholder) | DNMG-1504 | 93° / 55° / 117.5° |
Always verify toolholder seat geometry and clamping mechanism before purchase. Use genuine Kyocera toolholders for best performance.
Packaging & Ordering Information
All inserts are supplied in genuine Kyocera packaging with full traceability:
| Item | Details |
|---|---|
| Packaging Type | Original Kyocera plastic box with foam insert |
| Quantity per Box | 10 inserts |
| Minimum Order | 10 inserts (1 box) |
| MPN / Catalog No. | TMK00159 |
| Barcode (EAN) | Assigned at dispatch |
| Weight per Insert | 0.1 kg |
Catalog Meta Data
Technical reference and warranty information:
| Attribute | Value |
|---|---|
| Product Family | Kyocera Turning Inserts – Negative Series |
| Series Code | DNMG |
| Chipbreaker Family | PH – Heavy Machining |
| Grade Family | CA125P (PVD-coated universal grade) |
| Industry Standards | ISO 1832, ANSI B212.4 |
| Manufacturing Origin | Japan |
| Warranty | Full manufacturer warranty against material and workmanship defects |
Why Buy from Kyotow.com?
- 100% genuine Kyocera industrial cutting tools – direct from authorized supply chain
- Full manufacturer warranty on every insert
- Fast worldwide tracked delivery
- Expert CNC tooling application support
- Bulk and institutional pricing available
✓ 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。
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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.
