Kyocera SNMG120412C CA315 TMD05166
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- Stock: In Stock
- Model: CA315
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMD05166
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1. Product Overview
The Kyocera SNMG120412C CA315 TMD05166 is a industrial-grade cutting insert engineered for precision finishing. Manufactured in Japan to exacting ISO standards, this insert combines a ultra-fine grain tungsten carbide substrate with an advanced CVD Multi-layer (TiCN + Al₂O₃ + TiN) to deliver exceptional performance in steel, stainless steel applications.
With an inscribed circle of 12.7mm (1/2"), thickness 4.76mm, and corner radius 1.2mm, the SNMG120412C is optimized for light cutting & finishing. The Sharp Edge geometry ensures efficient chip formation and evacuation, engineered for consistent and repeatable results across production runs.
2. ISO Designation Breakdown
| Position | Code | Meaning |
|---|---|---|
| 1st Letter | S | Square Shape (80° included angle) |
| 2nd Letter | N | Negative Insert (0° relief angle) |
| 3rd Letter | M | Medium Tolerance Class |
| 4th Letter | G | With Cylindrical Hole / With Chipbreaker |
| 1st Number | 12 | Inscribed Circle Diameter: 12.7mm (1/2") |
| 2nd Number | 04 | Insert Thickness: 4.76mm |
| 3rd Number | 12 | Corner Radius: 1.2mm |
3. Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Inscribed Circle (IC) | 12.7mm (1/2") | ±0.025 mm (ISO M Class) |
| Insert Thickness (S) | 4.76mm | ±0.13 mm |
| Corner Radius (rε) | 1.2mm | ±0.10 mm |
| Relief Angle (α) | 0° | ±1° |
| Rake Angle (γ) | 0° | ±1° |
| Hole Diameter | Standard Cylindrical Hole (SNMG) | — |
4. Grade Details – Key Grade Characteristics
The CA315 grade is a versatile coated carbide grade designed for general steel and stainless steel machining.
| Property | Specification |
|---|---|
| Carbide Substrate | Ultra-fine grain tungsten carbide |
| Coating System | CVD Multi-layer (TiCN + Al₂O₃ + TiN) |
| Coating Color | Gold/Yellow |
| Hardness | HRA 91.5 |
| Transverse Rupture Strength | ≥ 3,800 MPa |
| Primary Application | General steel and stainless steel machining |
Key Features: Excellent wear resistance and thermal stability. Balanced toughness for continuous and light interrupted cuts.
5. Grade Comparison Matrix
| Grade | Wear Resistance | Toughness | Speed Capability | Target Material |
|---|---|---|---|---|
| CA315 | ★★★★☆ | ★★★★☆ | ★★★☆☆ | Steel, Stainless Steel |
| CA325 | ★★★★★ | ★★★☆☆ | ★★★★☆ | Steel (High-Speed) |
| CA515 | ★★★★☆ | ★★★★☆ | ★★★☆☆ | Stainless, HRSA |
| CA530 | ★★★★★ | ★★★★★ | ★★★★☆ | Steel, Cast Iron |
6. Chipbreaker Profile
Profile Name: Sharp Edge
Designed For: Light Cutting & Finishing
The Sharp Edge on the SNMG120412C is specifically engineered to manage chip formation in steel, stainless steel. The geometry promotes tight curling and controlled breakage, preventing chip entanglement and ensuring uninterrupted machining cycles. This profile minimizes cutting temperature and reduces built-up edge (BUE) formation, extending tool life and maintaining consistent surface finish quality.
7. Recommended Applications & Workpiece Materials
| Material Group | Examples | Suitability |
|---|---|---|
| P – Steel | C45, 42CrMo4, 16MnCr5, 1045, 4140 | ★★★★★ |
| M – Stainless Steel | 304, 316, 17-4PH, 1.4301 | ★★★★★ |
| K – Cast Iron | GG25, GGG40, FC250, FCD500 | ★★★☆☆ |
| H – Hardened Steel | HRC 45–65, Tool Steel, Bearing Steel | ★★☆☆☆ |
8. Application Map by Operation
| Operation Type | Suitability |
|---|---|
| External Turning | ★★★★★ |
| Internal Turning | ★★★★☆ |
| Face Turning | ★★★★★ |
| Profiling | ★★★★☆ |
| Grooving | ★★☆☆☆ |
9. Recommended Cutting Conditions
Parameters below are starting recommendations. Optimize based on machine rigidity, workpiece condition, and desired productivity.
| Workpiece Material | Vc (m/min) | f (mm/rev) | ap (mm) | Coolant |
|---|---|---|---|---|
| Carbon Steel (≤HB200) | 200–350 | 0.05–0.20 mm/rev | 0.2–1.5 mm | Wet / Dry |
| Alloy Steel (HB200–300) | 160–280 | 0.05–0.20 mm/rev | 0.2–1.5 mm | Wet Recommended |
| Stainless Steel (≤HB200) | 150–250 | 0.05–0.20 mm/rev | 0.2–1.5 mm | Wet Essential |
10. Operating Guidelines
- Tool Overhang: Minimize overhang to reduce vibration. Use shortest possible toolholder.
- Insert Seating: Ensure insert seat is clean and free of chips before clamping. Verify full contact with toolholder pocket.
- Coolant Strategy: Apply coolant generously for stainless steel to prevent work hardening.
- Feed Rate: Do not exceed maximum feed for corner radius to maintain surface integrity. fmax ≈ 0.5 × rε.
- Speed Adjustment: Reduce Vc by 20–30% for interrupted cuts or scale/rusty surfaces.
- Edge Preparation: Sharp edge requires light cutting parameters; avoid heavy impacts.
11. Toolholder Compatibility
The SNMG120412C is designed for use with C-type (Lever Lock) or P-type (Pin Lock) for negative inserts with holes.
| Compatible Holder Style | Approach Angle | Typical Application |
|---|---|---|
| MCLNR (95° Toolholder) | 95° | External Turning, Facing |
| MCMNN (75° Toolholder) | 75° | External Turning, Profiling |
| PCLNR (95° Toolholder) | 95° | Facing, Shoulder Turning |
| External Turning Holders | Varies | General External Operations |
Holder Requirement: Ensure toolholder pocket angle matches 0° relief of negative inserts. Use precision-ground shim seats for optimal repeatability.
12. Packaging & Ordering Information
| Attribute | Details |
|---|---|
| Manufacturer Part Number | TMD05166 |
| Standard Pack Quantity | 10 inserts per pack |
| Packaging Type | Plastic insert box with foam insert protection |
| Labeling | Laser-marked with ISO code, grade, batch number, and date code |
| Minimum Order | 1 pack (10 inserts) |
| Warranty | Full manufacturer warranty against material and manufacturing defects |
13. Catalog Meta Data
| Field | Value |
|---|---|
| Product Family | Kyocera Turning Inserts – SN Series |
| Series Code | SNMG |
| Grade Family | CA Series (CVD Coated) |
| ISO Application Group | P15–P30 / M15–M25 |
| Industry Sectors | Automotive, Aerospace, General Engineering, Energy, Mold & Die |
| Country of Manufacture | Japan |
| Certification | ISO 9001:2015, ISO 14001:2015 |
All technical data and recommendations are based on manufacturer specifications and internal testing under controlled conditions. Actual performance may vary based on machine condition, setup rigidity, and material variability. Always consult the latest Kyocera catalog for updates.
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To guarantee absolute accuracy for your machining requirements, please cross-reference the exact Kyocera Item Code, Item Name, and Material Grade.
🔹How to Proceed with Your Purchase:
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We offer a full refund or replacement if the verified Kyocera part number of the item received differs from the official item code specified in your order confirmation.
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