Kyocera VNMG160408GP CA515 TAB07572 - General-Purpose Turning
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- Stock: In Stock
- Model: CA515
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TAB07572
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1. Product Overview
The VNMG160408GP is a premium-grade indexable carbide insert manufactured by Kyocera under grade designation CA515. This insert is engineered specifically for General-Purpose Turning in modern CNC turning centers. Featuring a balanced edge geometry for versatile applications, the VNMG160408GP delivers exceptional surface integrity, dimensional accuracy, and extended tool life across a wide spectrum of workpiece materials.
Each insert is precision-ground to ISO tolerances and coated with a multi-layer PVD coating system that enhances wear resistance and reduces friction at the chip–tool interface. The VNMG160408GP is the insert of choice for machinists seeking reliable, repeatable performance in high-volume production environments.
2. ISO Designation Breakdown
The model code VNMG160408GP follows the ISO 1832 standard for indexable inserts. Each alphanumeric position conveys critical geometric and functional data:
| Position | Code | Meaning |
|---|---|---|
| 1st Letter | V | Insert shape: 35° rhombic (diamond) with 35° included angle |
| 2nd Letter | N | Tolerance class: ±0.005" (±0.13 mm) on inscribed circle and thickness |
| 3rd Letter | M | Insert type: Fixed hole with countersink (for clamping) |
| 4th Letter | G | Insert class: One-sided insert with chipbreaker |
| Size Digits | 16 | Inscribed circle (IC) diameter: 16.5 mm |
| Thickness | 04 | Nominal thickness: 4.76 mm (3/16") |
| Radius | 08 | Corner nose radius: 0.8 mm |
| Chipbreaker | GP | General Purpose (GP): General turning operations |
3. Engineering Dimensions & Geometry
The following table summarizes the critical dimensional and geometric parameters of the VNMG160408GP insert:
| Parameter | Value | Notes |
|---|---|---|
| Inscribed Circle (IC) | 16.5 mm | ISO standard measurement |
| Insert Thickness (S) | 4.76 mm (3/16") | Nominal thickness tolerance ±0.025 mm |
| Corner Radius (rε) | 0.8 mm | Nose radius for edge strength and surface finish |
| Clearance Angle | 7° | Positive clearance for reduced friction |
| Inscribed Circle Tolerance | ±0.13 mm | ISO Class N |
| Thickness Tolerance | ±0.13 mm | Consistent seating height |
| Hole Diameter | Standard countersink | Compatible with standard clamp pins |
| Weight (approx.) | 0.1 kg (per 10 inserts) | Lightweight for high-speed spindles |
4. Grade Details — Key Grade Characteristics
Grade CA515 is a high-performance PVD-coated carbide grade developed by Kyocera for universal turning applications. The substrate is a fine-grained tungsten carbide (WC-Co) matrix that provides an optimal balance between hardness and toughness.
| Property | Specification | Performance Impact |
|---|---|---|
| Substrate | Fine-grained WC-Co | High hardness with excellent toughness |
| Coating System | PVD TiAlN + TiN multi-layer | Superior heat resistance and low friction |
| Coating Color | Bronze-Gold | Visual wear indicator |
| Coating Thickness | 2.5–3.5 μm | Balanced wear resistance without edge dulling |
| Hardness | HRA 92.5 | Resists abrasive wear on steel and cast iron |
| Transverse Rupture Strength | ≥ 2,800 MPa | Withstands interrupted cuts and heavy loads |
| Max Operating Temp | 900°C | Stable at high cutting speeds |
| ISO Application Group | P15–P35, M10–M25, K15–K25 | Steel, stainless steel, cast iron |
5. Grade Comparison Matrix
Selecting the optimal grade ensures maximum productivity and cost efficiency. The table below compares grade CA515 with adjacent Kyocera grades:
| Grade | Substrate | Coating | Hardness | Best For | Speed Range |
|---|---|---|---|---|---|
| CA515 | Fine WC-Co | PVD TiAlN/TiN | HRA 92.5 | Steel, SS, CI | 80–250 m/min |
| CA530 | Ultra-fine WC | PVD TiAlN | HRA 93.0 | Hardened Steel | 60–180 m/min |
| CA550 | Coarse WC | CVD TiCN/Al₂O₃ | HRA 91.5 | Cast Iron | 100–300 m/min |
| CA510 | Fine WC-Co | PVD TiN | HRA 92.0 | General Steel | 80–200 m/min |
Recommendation: Grade CA515 is the ideal all-rounder for mixed-material shops requiring a single grade for steel, stainless steel, and cast iron applications.
6. Chipbreaker Profile
The General Purpose (GP) chipbreaker is specifically engineered for General turning operations. Its geometry promotes efficient chip curling and evacuation, preventing chip jamming and protecting the workpiece surface.
| Attribute | Specification |
|---|---|
| Chipbreaker Type | Universal Chipbreaker |
| Geometry | Balanced edge geometry for versatile applications |
| Key Feature 1 | All-round performance |
| Key Feature 2 | Good chip control |
| Key Feature 3 | Reliable edge life |
| Key Feature 4 | Flexible usage |
| Primary Application | General turning operations |
| Recommended Materials | Steel, stainless steel, cast iron |
7. Recommended Applications & Workpiece Materials
The VNMG160408GP grade CA515 is validated for the following material groups and application scenarios:
| Material Group | Examples | ISO Code | Suitability |
|---|---|---|---|
| Carbon Steel | C45, C60, 1045, 1060 | P.1–P.3 | ★★★★★ Excellent |
| Alloy Steel | 42CrMo4, 4140, 4340 | P.4–P.5 | ★★★★★ Excellent |
| Stainless Steel | 304, 316, 17-4PH | M.1–M.3 | ★★★★☆ Very Good |
| Cast Iron | GG25, GGG50, Class 40 | K.1–K.3 | ★★★★☆ Very Good |
| Tool Steel | H13, D2, O1 | P.6–P.7 | ★★★☆☆ Good |
| Titanium Alloys | Ti-6Al-4V, Ti-5Al-2.5Sn | S.1–S.2 | ★★★☆☆ Good (low speed) |
8. Application Map by Operation
This insert is optimized for the following machining operations:
| Operation | Suitability | Depth of Cut (ap) | Feed Rate (fn) |
|---|---|---|---|
| External Turning | ★★★★★ Excellent | 1.0–4.0 mm | 0.10–0.40 mm/rev |
| Internal Turning (Boring) | ★★★★☆ Very Good | 1.0–4.0 mm | 0.10–0.40 mm/rev |
| Facing | ★★★★★ Excellent | 1.0–4.0 mm | 0.10–0.40 mm/rev |
| Profiling / Contouring | ★★★★☆ Very Good | 1.0–4.0 mm | 0.10–0.40 mm/rev |
| Grooving (Light) | ★★★☆☆ Good | ≤ 0.5×IC | 0.05–0.15 mm/rev |
| Threading (Preparation) | ★★☆☆☆ Fair | ≤ 0.3×IC | 0.03–0.10 mm/rev |
9. Recommended Cutting Conditions
The following parameters serve as starting points. Always optimize for your specific machine, setup, and material condition:
| Workpiece Material | Cutting Speed Vc (m/min) | Feed fn (mm/rev) | Depth of Cut ap (mm) | Coolant |
|---|---|---|---|---|
| Low-Carbon Steel (C<0.25%) | 100–180–220 | 0.10–0.40 mm/rev | 1.0–4.0 mm | Wet / MQL |
| Medium-Carbon Steel (0.25–0.60%) | 80–180 | 0.10–0.40 mm/rev | 1.0–4.0 mm | Wet / MQL |
| High-Carbon Steel (>0.60%) | 60–160 | 0.10–0.40 mm/rev | 1.0–4.0 mm | Wet |
| Austenitic Stainless Steel | 70–130–160 | 0.10–0.40 mm/rev | 1.0–4.0 mm | Wet (high pressure) |
| Martensitic Stainless Steel | 60–150 | 0.10–0.40 mm/rev | 1.0–4.0 mm | Wet |
| Gray Cast Iron | 90–160–200 | 0.10–0.40 mm/rev | 1.0–4.0 mm | Dry / Wet |
| Ductile Cast Iron | 70–160 | 0.10–0.40 mm/rev | 1.0–4.0 mm | Wet |
Note: Reduce cutting speed by 15–20% for interrupted cuts or work-hardened materials. Increase by 10–15% for continuous cuts with stable setups.
10. Operating Guidelines
- Tool Setup: Ensure the toolholder seat is clean and free of burrs. Use a torque wrench to tighten the clamp screw to the manufacturer-specified torque (typically 2.5–4.0 N·m).
- Run-Out: Maintain maximum tool run-out of 0.02 mm at the cutting edge. Excessive run-out accelerates flank wear and degrades surface finish.
- Coolant: Flood coolant is recommended for steel and stainless steel to control thermal cracking. For cast iron, dry machining is acceptable to avoid thermal shock.
- Chip Control: Verify chip curling and evacuation during the first pass. Adjust feed rate if chips are not breaking properly.
- Edge Inspection: Inspect the insert after each shift for flank wear (VB), crater wear (KT), and notch wear. Replace when VB exceeds 0.3 mm or when surface finish degrades.
- Storage: Store inserts in original packaging away from moisture and direct sunlight. Avoid contact with corrosive chemicals.
- Safety: Always wear safety glasses and gloves when handling sharp inserts. Dispose of used inserts in designated metal-waste containers.
11. Toolholder Compatibility
The VNMG160408GP is compatible with the following standard toolholder families (verify exact insert size and clamping system):
| Toolholder Series | Clamping Style | Typical Sizes | Application |
|---|---|---|---|
| SVJBR/L-1616H16 | Lever lock / Screw clamp | 16×16 to 32×32 mm | External turning |
| SVQBR/L-2020K16 | Lever lock | 20×20 to 32×32 mm | External turning, profiling |
| MVJNR/L-2525M16 | Screw clamp | 25×25 to 40×40 mm | Heavy-duty turning |
| MVQNR/L-3232P16 | Lever lock | 16×16 to 25×25 mm | External turning, facing |
| DVJNR/L-2020K16 | Lever lock / Screw clamp | 20×20 to 32×32 mm | Profiling, copy turning |
Tip: Use a toolholder with the closest possible approach angle to minimize overhang and maximize rigidity. For internal turning, select the largest possible boring bar diameter that fits the hole.
12. Packaging & Ordering Information
| Attribute | Details |
|---|---|
| Manufacturer Part Number (MPN) | TAB07572 |
| Grade | CA515 |
| Standard Pack Quantity | 10 inserts per pack |
| Packaging Type | Plastic insert box with foam insert pockets |
| Label Information | Grade, ISO code, batch number, barcode, safety symbols |
| Minimum Order Quantity | 1 pack (10 inserts) |
| Unit Price | $7.0 per insert (bulk pricing available) |
| Warranty | Full manufacturer warranty against material defects |
13. Catalog Meta Data
| Field | Value |
|---|---|
| Product Family | Kyocera Indexable Turning Inserts |
| Series | VNMG Series |
| Batch Number | KY-738720 |
| Manufacturing Date | 2026-06-06 |
| Country of Manufacture | Japan |
| Quality Standard | ISO 9001:2015, ISO 1832 |
| RoHS Compliance | Yes — Lead-free, REACH compliant |
| MSDS Available | Yes (upon request) |
Disclaimer: All technical data, recommendations, and application guidelines are provided for reference purposes. Actual machining performance depends on machine condition, workpiece material, setup rigidity, and coolant quality. Always conduct test cuts before full production runs. Specifications are subject to change without notice.
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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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.
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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?
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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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