Kyocera CNMM120416PX CA125P TMK00110 Turning Insert - Finishing
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- Stock: In Stock
- Model: CA125P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMK00110
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Product Overview
The Kyocera CNMM120416PX is a precision-engineered Double-Sided Negative featuring the advanced CA125P grade. Designed for finishing & semi-finishing, this insert delivers exceptional performance across steel, stainless steel, cast iron applications. The PX chipbreaker geometry ensures optimized chip evacuation, reduced cutting temperatures, and extended edge life even under demanding production schedules.
With an inscribed circle of 12.7 mm (1/2"), thickness of 4.76 mm (3/16"), and a corner radius of 1.6 mm, the CNMM120416PX offers the ideal balance of cutting edge strength and surface finish capability. Manufactured in Japan under strict ISO 9001 quality protocols, every insert is guaranteed to meet OEM specifications for dimensional accuracy and metallurgical consistency.
ISO Designation Breakdown
| Position | Code | ISO Parameter | Specification |
|---|---|---|---|
| 1 | C | Insert Shape | 80° Rhombic (Diamond) |
| 2 | N | Clearance Angle | 0° (Negative Insert) |
| 3 | M | Tolerance Class | ±0.05 mm (I.C.) / ±0.08 mm (Thickness) |
| 4 | M | Fixing & Chipbreaker Type | Double-Sided Negative |
| 5–6 | 12 | Inscribed Circle Diameter | 12.7 mm (1/2") |
| 7–8 | 04 | Insert Thickness | 4.76 mm (3/16") |
| 9–10 | 16 | Corner Radius | 1.6 mm |
| 11+ | PX | Chipbreaker Code | Finishing to Medium Machining |
Engineering Dimensions & Geometry
| Dimension | Metric | Imperial | Notes |
|---|---|---|---|
| Inscribed Circle (d) | 12.7 mm | 1/2" | ISO 1832 standard measurement |
| Thickness (s) | 4.76 mm | 3/16" | Determines depth of cut capacity |
| Corner Radius (r) | 1.6 mm | 1.6 mm | Directly influences surface finish and edge strength |
| Clearance Angle | 0° | — | Negative geometry for high rigidity and economy |
| Chipbreaker Rake | Positive | — | Optimized for chip curl and controlled breakage |
| Inscribed Circle Tolerance | ±0.05 mm | ±0.002" | Ensures consistent seat contact in toolholder |
Grade Details – Key Grade Characteristics
The CA125P grade is a premium PVD-coated carbide developed by Kyocera for universal steel and stainless steel machining. It combines an ultra-fine grain tungsten carbide substrate with a multi-layer PVD coating (TiAlN + TiN) to achieve an optimal balance of wear resistance, thermal stability, and edge toughness.
- Substrate: Ultra-fine grain WC-Co (0.8 μm grain size) for high hardness and edge stability
- Coating: Multi-layer PVD (TiAlN base + TiN top layer), copper-bronze appearance
- Coating Hardness: ~3,200 HV (Vickers)
- Coating Thickness: 2.5 – 3.5 μm
- Hardness (HRA): 92.5 ± 0.5
- Transverse Rupture Strength: >3,500 N/mm²
- Thermal Stability: Effective up to 900°C (1,652°F)
- Oxidation Resistance: Excellent up to 800°C
- Friction Coefficient: Low (0.35 – 0.45 against steel)
- Recommended Coolant: Wet or dry (MQL compatible)
Grade Comparison Matrix
| Grade | Coating | ISO Range | Primary Use | Finish | Toughness |
|---|---|---|---|---|---|
| CA125P | PVD Multi-Layer | P15-P35 / M15-M25 / K15-K25 | Universal / General Purpose | ★★★★☆ | ★★★★☆ |
| CA115P | PVD Thin Layer | P05-P25 / M10-M20 | Finishing Specialist | ★★★★★ | ★★★☆☆ |
| CA135P | PVD Thick Layer | P25-P45 / M20-M35 | Heavy Roughing | ★★★☆☆ | ★★★★★ |
| CA025P | Cermet | P05-P20 / K05-K20 | High-Speed Finishing | ★★★★★ | ★★☆☆☆ |
Chipbreaker Profile
The PX chipbreaker on the CNMM120416PX is engineered for finishing to medium machining. Its macro- and micro-geometry has been optimized through finite element analysis (FEA) and extensive field testing to provide stable chip formation across the recommended feed and depth-of-cut envelope.
| Parameter | Value / Characteristic |
|---|---|
| Chipbreaker Code | PX |
| Rake Angle | Positive |
| Land Width | 0.10 – 0.25 mm (varies by insert size) |
| Groove Depth | 0.15 – 0.35 mm |
| Chip Curl Radius | Optimized for controlled breakage into C-shaped segments |
| Target Chip Shape | 6–9 mm arc length, manageable for chip conveyor systems |
| Primary Application | Finishing, Semi-finishing |
Recommended Applications & Workpiece Materials
The CA125P grade combined with the PX geometry makes the CNMM120416PX highly versatile across ferrous and non-ferrous workpiece materials. The following table summarizes recommended material groups and corresponding machining strategies:
| Material Group | ISO Code | Hardness | Machinability | Recommended Strategy |
|---|---|---|---|---|
| Carbon Steel & Alloy Steel | P.1 – P.4 | < 350 HB | ★★★★★ | High-speed continuous cutting, wet or dry |
| Stainless Steel (Austenitic) | M.1 – M.2 | < 280 HB | ★★★★☆ | Stable feed rates; avoid work-hardening by maintaining consistent DOC |
| Stainless Steel (Martensitic) | M.3 – M.4 | < 320 HB | ★★★☆☆ | Reduce speed 15–20%; use ample coolant |
| Cast Iron (Gray) | K.1 – K.2 | < 260 HB | ★★★★☆ | Dry machining preferred; excellent for high-speed finishing |
| Cast Iron (Ductile) | K.3 – K.4 | < 300 HB | ★★★☆☆ | Moderate speeds; continuous cuts recommended |
| Tool Steel & Hardened Steel | P.5 – P.6 | 350 – 450 HB | ★★☆☆☆ | Reduce speed 30%; use rigid setup and flood coolant |
Application Map by Operation
| Operation | Suitability | Depth of Cut | Notes |
|---|---|---|---|
| External Finishing | ★★★★★ | 0.5 – 2.0 mm | High-speed finishing on shafts, pins, and sleeves |
| Semi-Finishing | ★★★★☆ | 1.0 – 3.0 mm | Preparation for final finishing pass |
| Facing | ★★★★☆ | 0.5 – 2.5 mm | End-face machining with excellent surface quality |
| Profiling | ★★★☆☆ | 0.5 – 1.5 mm | Light contouring and radius generation |
Recommended Cutting Conditions
Parameters below are starting recommendations for stable CNC turning centers with rigid workholding. Adjust based on machine power, part rigidity, and coolant delivery.
| Workpiece Material | Cutting Speed Vc (m/min) | Feed fn (mm/rev) | Depth of Cut ap (mm) | Coolant |
|---|---|---|---|---|
| Carbon Steel (P.1–P.3) | 204 – 304 | 0.25 – 0.60 | 0.5 – 4.0 mm | Wet / MQL |
| Alloy Steel (P.4–P.5) | 173 – 258 | 0.25 – 0.60 | 0.5 – 4.0 mm | Wet (high pressure preferred) |
| Stainless Steel (M.1–M.2) | 132 – 192 | 0.20 – 0.50 | 0.5 – 4.0 mm | Wet (copious flow) |
| Gray Cast Iron (K.1–K.2) | 162 – 232 | 0.25 – 0.60 | 0.5 – 4.0 mm | Dry / Wet |
Operating Guidelines
- Tool Overhang: Minimize overhang to ≤ 1.5× toolholder height to prevent chatter and premature edge chipping.
- Insert Seating: Ensure the toolholder pocket is clean and free of chip debris before seating. Use a plastic seating tool or soft mallet—never hammer carbide directly.
- Coolant Delivery: For wet cutting, direct coolant nozzle at the cutting zone with 10–15 bar pressure for effective chip flushing and thermal management.
- Entry Strategy: Use radial entry (not plunge) when beginning a cut to reduce impact loading on the corner radius.
- Speed Ramp: On new installations, start at 80% of recommended Vc and increase gradually while monitoring tool wear and surface finish.
- Wear Monitoring: Inspect flank wear (VB) every 15–20 minutes. Retire insert when VB exceeds 0.3 mm or when crater wear approaches the cutting edge.
- Workpiece Runout: Maintain runout < 0.02 mm TIR for finishing operations and < 0.05 mm TIR for roughing.
- Chip Control: If chips are stringy or bird-nesting, increase feed by 10–15% or verify coolant concentration.
Toolholder Compatibility
Compatible with standard 80° rhombic (C-type) negative toolholders. Verify insert thickness and inscribed circle diameter when selecting toolholder size.
| Toolholder Style | Operation | Approach Angle | Clamping |
|---|---|---|---|
| MCLNR/L 2020K12 | External Turning / Facing | 95° Approach | Clamp + Pin |
| MCKNR/L 2525M12 | External Turning / Profiling | 75° Approach | Clamp + Pin |
| MCMNN 2020K12 | External Roughing | 0° Approach | Top Clamp |
| MCGNR/L 3232P16 | Heavy Duty External | 95° Approach | Rigid Clamp |
Packaging & Ordering Information
| Parameter | Details |
|---|---|
| Manufacturer Part Number (MPN) | TMK00110 |
| Standard Pack Quantity | 10 inserts per plastic pocket pack |
| Bulk Pack Quantity | 50 inserts per sealed industrial carton |
| Individual Packaging | Each insert in protective plastic pocket to prevent edge damage |
| Label Information | Grade, ISO code, batch number, manufacturing date, and QR traceability code |
| Storage Recommendation | Store in original packaging at 15–25°C, humidity < 60% RH, away from corrosive vapors |
| Shelf Life | Indefinite when stored properly; inspect coating integrity after 3+ years |
| Unit Price (Reference) | USD 8.50 per insert (subject to volume discounts and currency fluctuation) |
Catalog Meta Data
| Attribute | Value |
|---|---|
| Product Family | CNMM Series – Negative Indexable Inserts |
| Grade Family | CA Series – PVD Coated Carbide |
| ISO Application Range | P15-P35 / M15-M25 / K15-K25 |
| Insert Standard | ISO 1832:2017 |
| Coating Standard | ISO 513:2014 (Hardmetals Classification) |
| Quality Certification | ISO 9001:2015 (Manufacturing) / ISO 14001:2015 (Environmental) |
| Country of Manufacture | Japan |
| RoHS Compliance | Yes – Directive 2011/65/EU compliant |
| REACH Compliance | Yes – SVHC free as per EC 1907/2006 |
| ECCN Classification | 1A002 (Standard industrial cutting tools) |
| HS Code | 8209.00.00 (Carbide indexable inserts) |
| Last Catalog Update | 2026-Q2 |
✓ 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
-
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.
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We bypass Western corporate sales teams and localized regional overhead costs entirely.
