Kyocera CNGA120408 KW10 TWE00707 Turning Insert - Turning
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- Stock: In Stock
- Model: CNGA
- Weight: 0.11kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TWE00707
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CNGA432 KW10 Grade Uncoated Carbide, Indexable Turning Insert For Boring, External Turning, Facing, Internal Facing
Product Overview
The Kyocera CNGA120408 KW10 Grade Uncoated Carbide Indexable Turning Insert is a precision-engineered cutting tool manufactured by Kyocera in Japan. provides stable cutting action with minimal burr formation, making it ideal for CNC turning centers performing boring, external turning, facing, internal facing operations. The CNGA120408 features a 80° Diamond geometry with 4 usable cutting edges, engineered to deliver versatile machining capability across multiple operations. optimizes material removal rates without sacrificing finish.
ISO Designation Breakdown
| ISO Designation Decoder | |
|---|---|
| ISO Code | CNGA120408 |
| Series / Style | ISOI — CNGA Turning Insert Family |
| Insert Shape | 80° Diamond |
| Inscribed Circle (IC) | 1/2" |
| Hand of Cut | Neutral |
| Chipbreaker | N/A (Flat Top (No Chipbreaker)) |
| Grade | KW10 — Uncoated Fine-Grain Carbide |
| ANSI Equivalent | CNGA432KW10 |
Engineering Dimensions & Geometry
| Physical & Geometric Specifications | |
|---|---|
| Inscribed Circle (IC) | 1/2" |
| Insert Thickness | 3/16" |
| Included Angle | 80° |
| Corner Radius | 1/32" |
| Number of Cutting Edges | 4 |
| Hand of Cut | Neutral |
| Rake Angle | Neutral (0°) with negative flank for strength |
| Clearance Angle | 7° (standard relief for turning operations) |
| Insert Style | CNGA — 80° Diamond Turning Platform |
Grade Details - Key Grade Characteristics
KW10 is a premium uncoated fine-grain tungsten carbide grade engineered by Kyocera for general-purpose turning and multi-operation machining. The micro-grain structure (sub-micron particle size) provides an optimal balance of hardness and toughness, delivering a sharp, stable cutting edge that maintains dimensional accuracy over extended machining cycles.
- Substrate: Ultra-fine WC-Co carbide (ISO K10 equivalent classification)
- Hardness: ~91.5 HRA, providing excellent wear resistance at moderate speeds
- Coating: Uncoated (bare substrate) to preserve edge sharpness for fine finishing
- Edge Preparation: Precision-honed T-land for burr-free surface formation
- Thermal Stability: Stable performance up to 400°C without oxidation degradation
- Primary Advantage: Mirror-finish surface quality on turned faces and diameters
Grade Comparison Matrix
| Grade | Coating | Best For | Speed Range |
|---|---|---|---|
| KW10 | Uncoated | Steel, Cast Iron, Non-Ferrous | Low–Moderate |
| KW20 | Uncoated | Hardened Steel, Abrasive Cast Iron | Low |
| PR930 | PVD Coated | Stainless Steel, High-Temp Alloys | Moderate–High |
| CA310 | CVD Coated | General Steel, High-Speed Turning | High |
Chipbreaker Profile
The CNGA120408 features a flat top (no chipbreaker) geometry optimized for boring, external turning, facing, internal facing. The flat top surface provides maximum edge strength for heavy roughing and interrupted cuts, while the sharp cutting edge ensures clean surface finishes on continuous cuts.
- Chipbreaker Type: N/A (Flat Top (No Chipbreaker))
- Rake Angle: Neutral to slightly negative for strength in cast iron
- Flank Relief: Standard 7° clearance for general turning
- Chip Flow: Unrestricted flow for heavy chip loads
- Edge Condition: Precision ground for sharpness and strength
Recommended Applications & Workpiece Materials
The KW10 substrate and uncoated edge make the CNGA120408 particularly effective on materials where edge sharpness and stability are critical. Recommended workpiece materials include:
- Carbon & Alloy Steels (up to 35 HRC) — Excellent surface finish and predictable tool life
- Stainless Steels (304, 316, 430 series) — Reduced work-hardening tendency due to sharp edge
- Cast Iron (Gray, Ductile) — Stable cutting with excellent wear resistance
- Non-Ferrous Metals (Aluminum, Brass, Copper) — Mirror finish achievable without built-up edge
- Titanium Alloys (Ti-6Al-4V) — Suitable for low-speed precision turning with adequate coolant
Application Map by Operation
| Operation Type | Suitability | Notes |
|---|---|---|
| External Turning | ★★★★★ Excellent | Primary application; use with standard external turning holder |
| Facing | ★★★★★ Excellent | Optimal for facing operations perpendicular to axis |
| Boring | ★★★★☆ Very Good | Requires adequate bore diameter for insert clearance |
| Chamfering | ★★★★☆ Very Good | 80° Diamond geometry ideal for 45° and 60° chamfers |
| Copying / Profiling | ★★★☆☆ Good | Verify approach angle compatibility with workpiece contour |
Recommended Cutting Conditions
| Workpiece Material | Cutting Speed Vc (m/min) | Feed f (mm/rev) | Depth of Cut ap (mm) |
|---|---|---|---|
| Mild Steel (C<0.3%) | 80 – 150 | 0.10 – 0.30 | 0.5 – 3.0 |
| Alloy Steel (30–35 HRC) | 60 – 100 | 0.08 – 0.25 | 0.5 – 2.5 |
| Stainless Steel (304/316) | 50 – 80 | 0.08 – 0.20 | 0.5 – 2.0 |
| Gray Cast Iron (HB 180–220) | 60 – 100 | 0.10 – 0.35 | 1.0 – 4.0 |
| Aluminum Alloy (6061-T6) | 150 – 300 | 0.10 – 0.40 | 0.5 – 4.0 |
| Titanium Alloy (Ti-6Al-4V) | 15 – 30 | 0.08 – 0.15 | 0.5 – 1.5 |
Note: Values are starting recommendations. Optimize based on machine rigidity, coolant delivery, and workpiece setup. For finishing operations, reduce depth of cut and feed by 30–50%.
Operating Guidelines
- Toolholder Selection: Use CNGA-compatible turning holders with precise pocket tolerances (±0.01 mm) to maintain cutting edge alignment.
- Insert Seating: Ensure the insert sits fully in the pocket without debris. Torque clamping screw to 2.5–3.0 N·m; do not overtighten.
- Coolant Recommendation: Flood coolant with 5–8% soluble oil emulsion is recommended for steel and stainless steel. For cast iron and aluminum, dry machining or minimum quantity lubrication (MQL) is acceptable.
- Depth of Cut Strategy: For roughing, use 1.5–2.0× corner radius for optimal chip formation. For finishing, reduce to 0.5–1.0× radius.
- Indexing: When flank wear exceeds 0.10 mm or surface finish degrades, index to a fresh cutting edge. Discard insert when all edges are exhausted.
- Workpiece Runout: Maintain workpiece runout below 0.02 mm to prevent uneven tool wear and chatter marks.
Toolholder Compatibility
The CNGA120408 is designed to seat in standard CNGA series turning toolholders. Compatible holder families include:
- Kyocera CNGA-E External Turning Holders (matching IC size)
- Kyocera CNGA-I Internal Boring Bars (minimum bore Ø16 mm)
- ISO 1832 Type C compliant pockets
- Clamp systems: Lever-lock or top-screw clamp depending on holder series
Verify holder pocket geometry (IC, thickness, and seat angle) matches insert specifications before mounting. Incompatible holders may cause vibration, poor surface finish, and insert fracture.
Packaging & Ordering Information
| Order & Packaging Details | |
|---|---|
| Manufacturer Part Number | TWE00707 |
| ISO Designation | CNGA120408 |
| ANSI Designation | CNGA432KW10 |
| Packaging Unit | Pack of 10 inserts in sealed plastic container |
| Individual Labeling | Each insert laser-marked with ISO code and grade |
| Country of Origin | Japan |
| Weight (per 10-pack) | 0.11 kg |
| Warranty | Full manufacturer warranty against material and manufacturing defects |
Catalog Meta Data
| Catalog & System Information | |
|---|---|
| Product Family | Kyocera Indexable Turning Inserts |
| Series Code | ISOI |
| Tool Category | Indexable Carbide Insert — Turning |
| Grade Class | Uncoated Fine-Grain (ISO K10 / K20 Range) |
| Industry Standards | ISO 1832, ANSI B212.4, JIS B 4120 |
| ECCN Classification | 1A999 (General Industrial Cutting Tools) |
| Last Catalog Update | 2026-Q2 Rev. 3.2 |
| Replacement Policy | Cross-reference available to prior CNGA generation inserts |
✓ 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.
