Kyocera DCMT070204GK CA125P TMK00364 CNC Insert - Heavy Roughing
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- Stock: In Stock
- Model: CA125P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMK00364
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Product Overview
The Kyocera DCMT070204GK is a premium-grade 55° Rhombic carbide insert engineered for Heavy Roughing operations in modern CNC turning centers. Featuring the advanced CA125P PVD-coated substrate and the GK chipbreaker geometry, this insert delivers exceptional wear resistance, predictable tool life, and superior surface integrity across a broad spectrum of ferrous materials.
With an inscribed circle of 7.94mm (5/16"), thickness 2.38mm (3/32"), and a 0.4mm nose radius, the DCMT070204GK is optimized for roughing and heavy machining. Whether you are running high-volume production or precision prototype work, this insert provides the consistency and reliability that aerospace, automotive, and general engineering shops demand.
ISO Designation Breakdown
The DCMT070204GK designation follows ISO 1832 standards for indexable inserts. Each code segment communicates critical geometry and application data:
| Code Segment | Technical Meaning |
|---|---|
| DCMT | Insert shape: 55° rhombic, positive type, with hole |
| 07 | Inscribed circle diameter: 7.94mm (5/16") |
| T2 | Insert thickness: 2.38mm (3/32") |
| 0.4 | Corner radius: 0.4mm |
| GK | Chipbreaker style: Heavy Duty |
Engineering Dimensions & Geometry
| Parameter | Value | Notes |
|---|---|---|
| Inscribed Circle (IC) | 7.94mm (5/16") | Determines toolholder pocket size |
| Insert Length (L) | 11.0mm | Nominal cutting edge length |
| Thickness (S) | 2.38mm (3/32") | Critical for rigidity and heat dissipation |
| Hole Diameter (D1) | — | With hole |
| Corner Radius (re) | 0.4mm | Influences surface finish and strength |
| Inscribed Circle Height (a) | 5.56mm | Relates to insert seating depth |
Grade Details — Key Grade Characteristics
CA125P is a high-performance PVD-coated carbide grade developed by Kyocera for universal turning of steel, stainless steel, and cast iron. The multi-layer PVD coating combines titanium aluminum nitride (TiAlN) with an optimized binder phase to achieve:
- Superior Wear Resistance: Extended tool life in continuous and lightly interrupted cuts, reducing cost per edge.
- High Thermal Stability: Coating integrity maintained at elevated temperatures, enabling higher cutting speeds.
- Balanced Toughness: Substrate engineered to resist chipping and fracture under variable machining conditions.
- Low Coefficient of Friction: Reduced built-up edge (BUE) tendency when machining sticky materials like austenitic stainless steel.
- Consistent Performance: Tight manufacturing tolerances ensure batch-to-batch predictability for automated production.
Grade Comparison Matrix
| Grade | Coating | Material Range | Application Range | Toughness |
|---|---|---|---|---|
| CA125P | PVD Coated | Steel, Stainless, Cast Iron | General to medium | ★★★★☆ |
| CA115P | PVD Coated | Steel, Cast Iron | Light to medium | ★★★☆☆ |
| CA530 | CVD Coated | Steel, Cast Iron | Medium to heavy | ★★★★☆ |
| CA6515 | CVD Coated | Steel, Hardened Steel | Heavy roughing | ★★★★★ |
Chipbreaker Profile
The GK chipbreaker on the DCMT070204GK is robust geometry for tough conditions. Key geometric attributes include:
- Land Width: Optimized for roughing and heavy machining to minimize cutting forces and heat generation.
- Rake Angle: Positive rake design promotes smooth chip flow and reduces burr formation.
- Chip Groove Depth: Calculated to curl and break chips into manageable lengths for safe evacuation.
- Edge Preparation: Heavy Duty honing balances sharpness with edge strength for the intended application range.
Recommended Applications & Workpiece Materials
| Material Group | ISO Code | Hardness Range | Suitability |
|---|---|---|---|
| Carbon & Alloy Steels | P.1 – P.4 | ≤ 350 HB | ★★★★★ Excellent |
| Stainless Steels (Austenitic) | M.1 – M.2 | ≤ 250 HB | ★★★★☆ Very Good |
| Stainless Steels (Martensitic) | M.3 | ≤ 325 HB | ★★★★☆ Very Good |
| Gray & Ductile Cast Iron | K.1 – K.3 | ≤ 300 HB | ★★★★☆ Very Good |
| Tool & Die Steels | P.5 | ≤ 45 HRC | ★★★☆☆ Good (reduce speed) |
Application Map by Operation
| Operation | Rating | Recommendation |
|---|---|---|
| External Turning | ★★★★★ | Excellent for heavy roughing and stock removal |
| Internal Turning | ★★★☆☆ | Use with rigid boring bars only; minimize overhang |
| Face Turning | ★★★★☆ | Suitable for heavy facing on castings and forgings |
| Interrupted Cutting | ★★★★☆ | Strong edge handles scale, cast skin, and interruptions |
Recommended Cutting Conditions
Parameters are starting recommendations for stable setups with adequate coolant. Adjust based on machine rigidity and workpiece condition.
| Workpiece Material | Vc (m/min) | f (mm/rev) | ap (mm) |
|---|---|---|---|
| Carbon Steel | 150–220 | 0.25–0.50 | 1.5–4.0 |
| Alloy Steel | 130–200 | 0.20–0.45 | 1.2–3.5 |
| Stainless Steel | 100–160 | 0.20–0.40 | 1.0–3.0 |
| Cast Iron | 140–200 | 0.25–0.50 | 1.5–4.0 |
Operating Guidelines
- Designed for maximum material removal rates in roughing operations
- Use robust toolholder with shortest possible overhang to absorb cutting forces
- Ensure machine spindle power ≥ 5kW for size 11 inserts at full depth
- Apply heavy-duty coolant concentration to manage heat in deep cuts
- Monitor insert for crater wear; GK geometry provides strong cutting edge protection
Toolholder Compatibility
| Operation Type | Compatible Holder Series | Notes |
|---|---|---|
| External Turning | DDJNR / DDJNL | 55° toolholder, positive insert, lever lock |
| External Turning | DDJNR2020K11 | Standard 20×20mm shank for size 11 inserts |
| Internal Turning | A16R-DDJNR / A20S-DDJNR | Boring bar with 55° insert pocket for ID operations |
| Face Turning | DDJNR2525M11 | Heavy-duty 25×25mm shank for stable facing |
Packaging & Ordering Information
| Attribute | Details |
|---|---|
| Manufacturer Part Number | TMK00364 |
| Product Model | DCMT070204GK |
| Grade | CA125P |
| Packaging Quantity | 10 inserts per box |
| Individual Packaging | Protective plastic insert separator; anti-corrosion coating |
| Labeling | Each box labeled with grade, batch number, and ISO designation |
| Storage Recommendation | Store in original packaging at 15–25°C, humidity < 60% |
Catalog Meta Data
| Field | Value |
|---|---|
| Brand | Kyocera |
| Product Family | DCMT Series |
| ISO Shape | 55° Rhombic |
| Grade | CA125P |
| MPN | TMK00364 |
| Chipbreaker | GK |
| Insert Type | With hole |
| Coating | PVD Multi-Layer (TiAlN-based) |
| Application Class | Heavy Roughing |
| Unit Price | $6.5 |
✓ 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
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✓ 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.
