Kyocera DNMG150408KG CA310 CNC Turning Insert - Heavy-Duty Steel
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- Stock: In Stock
- Model: CA310
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMC02261
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1. Product Overview
The DNMG150408KG is a precision-engineered indexable carbide turning insert manufactured by Kyocera under grade CA310. Designed for Heavy CNC turning operations, this negative-style 55° diamond insert delivers exceptional dimensional accuracy, superior surface finish, and extended tool life across high-volume production environments. The kg geometry ensures reliable chip control and reduced cutting forces for consistent, repeatable machining results on carbon and alloy steels.
2. ISO Designation Breakdown
| Position | Code | Meaning |
|---|---|---|
| 1st Letter | D | Insert Shape: 55° Diamond (Rhombic) |
| 2nd Letter | N | Clearance Angle: 0° (Negative Insert) |
| 3rd Letter | M | Tolerance Class: ±0.05 mm (IC), ±0.08 mm (T), ±0.13 mm (S) |
| 4th Letter | G | Hole / Countersink: With hole, double-sided (negative) |
| 5-6 Digits | 15 | Cutting Edge Length: 15.875 mm (0.625") Inscribed Circle |
| 7-8 Digits | 04 | Insert Thickness: 4.76 mm (3/16") |
| 9-10 Digits | 08 | Nose Radius: 0.8 mm |
| Chipbreaker | KG | Groove Style: Heavy-cutting chipbreaker designed for high feed rates and deep cuts with superior chip breaking in tough steel applications. |
3. Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Inscribed Circle (d) | 15.875 mm (0.625") | ±0.05 mm |
| Insert Thickness (s) | 4.76 mm (3/16") | ±0.08 mm |
| Nose Radius (rε) | 0.8 mm | ±0.13 mm |
| Corner Angle | 55° | — |
| Clearance Angle | 0° (Negative) | — |
| Hole Diameter | 5.16 mm (0.203") | +0.08 mm |
| Countersink Angle | 60° | — |
| Insert Size (L) | 17.65 mm | ±0.15 mm |
4. Grade Details — Key Grade Characteristics
Grade CA310 is a premium CVD-coated cemented carbide grade engineered specifically for general turning of steel workpieces in the ISO P30–P40 application range.
| Property | Specification |
|---|---|
| Coating System | CVD Multi-layer Coating (TiCN + Al₂O₃ + TiN) |
| Substrate | High-toughness cemented carbide with optimized grain structure |
| Coating Color | Gold/Yellow |
| ISO Application Range | P30 - P40 |
| Hardness | HRA 91.5 |
| Transverse Rupture Strength | ≥ 2,400 N/mm² |
| Thermal Conductivity | 58 W/(m·K) |
| Thermal Expansion Coeff. | 5.8 × 10⁻⁶ /K |
Key Performance Traits: Excellent balance of wear resistance and toughness. Superior crater wear resistance due to thick Al₂O₃ layer. High thermal stability for dry and wet machining.
5. Grade Comparison Matrix
| Grade | ISO Range | Coating | Primary Use | Speed Capability |
|---|---|---|---|---|
| CA310 | P30-P40 | CVD TiCN/Al₂O₃/TiN | General steel turning | Medium-High |
| CA320 | P20-P30 | CVD TiCN/Al₂O₃/TiN | Semi-finishing steel | High |
| CA330 | P10-P20 | CVD TiCN/Al₂O₃ | Finishing steel | Very High |
| CA510 | P30-P40 | PVD TiAlN | Interrupted steel cuts | Medium |
6. Chipbreaker Profile
KG Chipbreaker — Heavy-cutting chipbreaker designed for high feed rates and deep cuts with superior chip breaking in tough steel applications.
| Attribute | Specification |
|---|---|
| Chipbreaker Style | KG |
| Cutting Intensity | Heavy |
| Groove Geometry | Optimized for heavy cutting with controlled chip curl and evacuation |
| Recommended Feed | 0.4 – 0.75 mm/rev |
| Chip Control | Excellent chip breaking across recommended parameter window |
7. Recommended Applications & Workpiece Materials
| Workpiece Material | Machinability | Cutting Speed (Vc) | Notes |
|---|---|---|---|
| Carbon Steel (C35, C45, C60) | Excellent | 120-280 m/min | Primary application |
| Alloy Steel (42CrMo4, 34CrNiMo6) | Excellent | 100-220 m/min | Heat-treated up to 35 HRC |
| Tool Steel (1.2379, 1.2343) | Good | 80-160 m/min | Annealed condition |
| Cast Steel (GS-52, GS-60) | Good | 90-180 m/min | Sand cast, continuous cut |
| Stainless Steel (304, 316) | Fair | 60-120 m/min | Not recommended for prolonged use |
8. Application Map by Operation
| Operation | Suitability | Conditions |
|---|---|---|
| External Turning | Excellent | Interrupted cuts, cast skin |
| Heavy Roughing | Excellent | High DOC, high feed |
| Facing | Good | Robust entry conditions |
| Step Turning | Good | Shoulder machining |
9. Recommended Cutting Conditions
Parameters below are starting recommendations for continuous cutting of C45 carbon steel using coolant. Adjust based on machine rigidity, workpiece condition, and desired surface finish.
| Parameter | Minimum | Recommended | Maximum |
|---|---|---|---|
| Cutting Speed (Vc) | 120 m/min | 170 m/min | 220 m/min |
| Feed Rate (fn) | 0.4 mm/rev | 0.57 mm/rev | 0.75 mm/rev |
| Depth of Cut (ap) | 3.0 mm | 4.5 mm | 6.0 mm |
10. Operating Guidelines
- Coolant: Recommended for most steel applications to extend tool life and improve surface finish. Use water-miscible coolant at 6–8% concentration.
- Entry/Exit: For interrupted cuts, reduce cutting speed by 15–25% to minimize thermal shock and edge chipping.
- Tool Overhang: Keep toolholder overhang to minimum (≤ 1.5× holder height) to maintain rigidity and reduce vibration.
- Insert Seating: Ensure insert seat and pocket are clean before mounting. Torque clamping screw to 2.5–3.5 N·m for M3.5 screws.
- Edge Wear Monitoring: Replace insert when flank wear (VB) reaches 0.3 mm or when crater wear (KT) exceeds 0.15 mm to maintain dimensional accuracy.
- Storage: Store inserts in original packaging away from direct sunlight and moisture. Avoid contact between sharp edges.
11. Toolholder Compatibility
The DNMG150408KG is designed for standard 93° external turning toolholders with DNMG 15-series pockets. Compatible holder families include:
| Holder Series | Insert Size | Approach Angle | Application |
|---|---|---|---|
| DDJNR / DDJNL | DNMG 15xx | 93° | External turning, facing |
| MDJNR / MDJNL | DNMG 15xx | 93° | Heavy-duty external turning |
| PDJNR / PDJNL | DNMG 15xx | 93° | Precision finishing |
| SVJBR / SVJBL | DNMG 15xx | 93° | Copy turning, profiling |
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| Manufacturer Part Number (MPN) | TMC02261 |
| Standard Pack Quantity | 10 inserts per pack |
| Packaging Type | Plastic snap-box with foam insert protection |
| Label Information | ISO code, grade, batch number, barcode, manufacturing date |
| Minimum Order Quantity | 1 pack (10 inserts) |
| Warranty | Full manufacturer warranty against material and coating defects |
13. Catalog Meta Data
| Field | Value |
|---|---|
| Product Family | Kyocera DNMG Series — Negative 55° Diamond Turning Inserts |
| Catalog Series | TMC Turning Insert Catalog 2025–2026 |
| Grade Series | CA300 Series (CVD Coated Steel Grades) |
| Replacement For | Compatible with all ISO-standard DNMG 15-series holders and clamping systems |
| Industry Standards | ISO 1832, DIN 4983, JIS B 4120 |
| Country of Manufacture | Japan |
| Last Catalog Update | Q2 2026 |
All technical data and recommendations are based on manufacturer specifications and field testing under controlled conditions. Actual performance may vary depending on machine tool condition, workpiece material variability, and coolant quality. For application-specific support, contact our technical team.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
発送・在庫情報
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In-Stock Items (在庫あり):
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Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
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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.
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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.
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Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
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