Kyocera CNMG120412PS CA025P TMH00106 Insert - Precision semi-finishing
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- Stock: In Stock
- Model: CA025P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMH00106
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Product Overview
The CNMG120412PS is a 80° rhombic 0° clearance indexable carbide insert manufactured by Kyocera. Engineered for precision semi-finishing, this insert features a T-land cutting edge and optimized chipbreaker geometry to deliver consistent performance across high-volume CNC turning operations.
ISO Designation Breakdown
- C – 80° Rhombic insert shape (ISO standard)
- N – 0° clearance angle (negative type)
- M – M-class (±0.05–0.15 mm)
- G – With hole, chipbreaker on one side
- 12 – Nominal cutting edge length 12 mm
- 04 – Insert thickness 4.76 mm
- 12 – Corner radius 1.2 mm
- PS – Precision Semi-Finishing chipbreaker profile
Engineering Dimensions & Geometry
Shape: 80° Rhombic | Clearance: 0° | Inscribed circle (nominal): 12 mm | Thickness: 4.76 mm | Corner radius: 1.2 mm. The negative design seats securely in compatible toolholders with minimal rake interference.
Grade Details - Key Grade Characteristics
Grade CA025P is a Advanced CVD coated ultra-fine grain substrate. It delivers exceptional crater and flank wear resistance in continuous to lightly interrupted cuts. The Advanced architecture provides thermal stability at elevated cutting temperatures typical of high-speed steel machining.
Grade Comparison Matrix
CA025P sits in the P15–P30 application range for steel machining. Compared to uncoated grades, it offers 3–5× longer tool life in continuous cutting. Relative to harder PVD grades, CA025P provides superior thermal crack resistance, making it preferable for wet machining and variable depths of cut. It is the recommended Kyocera grade for medium-to-roughing steel operations where reliability outweighs absolute speed.
Chipbreaker Profile
Precision Semi-Finishing — Semi-finishing geometry with precision-grade edge preparation. Ideal for pre-finish passes before final grinding or polishing. Recommended depth of cut: 0.5–2.5 mm; Feed range: 0.10–0.30 mm/rev. The groove geometry promotes tight chip curl and controlled breakage, reducing the risk of chip entanglement around the workpiece or toolholder.
Recommended Applications & Workpiece Materials
Carbon steel (C45, C60), alloy steel (4140, 4340), tool steel, stainless steel (304, 316, 420), and cast iron (GG25, GGG40). Best performance on continuous surfaces of normalized and quenched-and-tempered steels.
Application Map by Operation
Primary: external turning, facing, straight profiling. Secondary: taper turning, shoulder facing, and bore turning (when used on boring bars). Precision Semi-Finishing geometry is optimized for precision semi-finishing passes where surface integrity and dimensional stability are critical.
Recommended Cutting Conditions
Cutting speed (Vc): 160–280 m/min | Feed (f): 0.10–0.30 mm/rev | Depth of cut (ap): 0.5–2.5 mm. Start at the lower end of the speed range for interrupted cuts or work-hardening materials (e.g., 316 stainless). Increase feed within the wiper range for improved productivity when surface finish is not the primary constraint.
Operating Guidelines
- Ensure toolholder seat is clean and free of burrs before indexing.
- Use adequate coolant flow (minimum 4–6 bar) for steel and stainless steel to control built-up edge.
- Maintain rigid workpiece clamping; slender parts may require reduced depth of cut.
- Inspect corner radius after each index; replace when flank wear exceeds 0.3 mm or chipping appears.
- For cast iron, dry machining is acceptable; for steel, emulsion coolant at 6–8% concentration is recommended.
Toolholder Compatibility
MCLNR / MCLNL (80° rhombic, 0° clearance) shank sizes: 25x25 mm or 32x32 mm. Ensure the toolholder clamping mechanism matches the insert hole pattern (G-type) and that the seat angle matches the 0° clearance of this insert.
Packaging & Ordering Information
Supplied in sealed Kyocera industrial packaging (10 inserts per pack standard). Manufacturer order reference: TMH00106. Price displayed is per insert. Bulk and institutional pricing available on request. All products are genuine OEM items backed by Kyocera's full manufacturer warranty.
Catalog Meta Data
Brand: Kyocera | Grade: CA025P | ISO Code: CNMG120412PS | MPN: TMH00106 | Coating: Advanced CVD | Substrate: ultra-fine grain | Standard: ISO 1832 | Application Group: P15–P30 (Steel) | Insert Type: Negative | Geometry: Precision Semi-Finishing | Corner Radius: 1.2 mm.
✓ 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.
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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✓ 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.
