Kyocera CCMT120408GK CA310 TMC00531
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- Stock: In Stock
- Model: CA310
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMC00531
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1. Product Overview
The CCMT120408GK is a precision 80° rhombic positive-rake insert designed for high-speed finishing and semi-finishing. The sharp cutting edge and positive geometry minimize cutting forces, delivering mirror-quality surface finishes on precision components. Manufactured by Kyocera in Japan, this insert features the CA310 grade with advanced coating technology for extended tool life and predictable wear patterns.
2. ISO Designation Breakdown
| Position | Code | Parameter | Specification |
|---|---|---|---|
| 1st Letter | C | Insert Shape | Rhombic (80°) |
| 2nd Letter | C | Relief Angle | 7° (Positive) |
| 3rd Letter | M | Tolerance Class | ±0.13mm (Standard) |
| 4th Letter | T | Insert Type | With hole, no chipbreaker |
| Size Digits | 12 | Inscribed Circle (IC) | 12.70 mm (1/2") |
| Thickness | 04 | Insert Thickness | 4.76 mm |
| Corner Radius | 08 | Nose Radius | 0.8 mm |
| Chipbreaker | GK | Chipbreaker Code | GK |
3. Engineering Dimensions & Geometry
| Dimension | Value | Tolerance |
|---|---|---|
| Inscribed Circle (d) | 12.70 mm (1/2") | ±0.13 mm (Class M) |
| Insert Thickness (s) | 4.76 mm | ±0.13 mm |
| Corner Radius (rε) | 0.8 mm | ±0.05 mm |
| Relief Angle (α) | 7° (Positive) | ±1.0° |
| Inscribed Circle Diameter | 12.00 mm | h±0.08 mm |
| Hole Diameter (if applicable) | 1.8 mm (estimated) | H7 |
4. Grade Details – Key Grade Characteristics
The CA310 grade is a premium carbide substrate engineered for General Purpose & Cast Iron.
| Property | Value | Industry Standard |
|---|---|---|
| Substrate Material | Fine grain tungsten carbide with enhanced cobalt binder | ISO 513 |
| Coating System | CVD multi-layer (TiC-TiCN-Al2O3) | PVD/CVD Multi-layer |
| Hardness | HRA 91.8 | ISO 4499 |
| Transverse Rupture Strength | ≥ 2,800 MPa | ISO 3327 |
| Color Identification | Black-Gold | Visual QC |
| Max Operating Temperature | 1,000°C | Continuous Cut |
| Wear Resistance | Very Good | Comparative Scale |
| Toughness Rating | Very High | Impact Test |
5. Grade Comparison Matrix
| Grade | Coating | Speed Capability | Toughness | Primary Application |
|---|---|---|---|---|
| CA310 | CVD multi-layer (TiC-TiCN-Al2O3) | Medium-High | Very High | General Purpose & Cast Iron |
| CA125P (sister) | PVD TiAlN | High | High | Steel & SS |
| CA310 (sister) | CVD TiC/Al₂O₃ | Medium | Very High | Cast Iron & General |
| CA320 | CVD Thick Al₂O₃ | Medium | High | Heavy Interruption |
6. Chipbreaker Profile
GK Chipbreaker Analysis:
Precision finishing chipbreaker with sharp edge preparation. Designed for light cutting depths and high-speed finishing operations. Minimizes burr formation and ensures mirror surface finish.
| Parameter | Value |
|---|---|
| Chipbreaker Code | GK |
| Land Width | 0.15 mm |
| Groove Depth | 0.08 mm |
| Backwall Angle | 8° |
| Recommended Feed (fn) | 0.08-0.20 mm/rev |
7. Recommended Applications & Workpiece Materials
| Material | Machinability | ISO Group | Cutting Conditions |
|---|---|---|---|
| Carbon Steel | Very Good | P1.1-P1.5 | General purpose |
| Gray Cast Iron | Excellent | K1.0-K2.5 | Continuous to interrupted |
| Ductile Cast Iron | Very Good | K3.0-K4.0 | With adequate edge prep |
| Low Alloy Steel | Good | P2.0-P2.5 | Continuous preferred |
| Non-Ferrous (Al, Cu) | Fair | N1.0-N3.0 | Limited application |
8. Application Map by Operation
| Operation Type | Suitability | Recommended Depth (ap) |
|---|---|---|
| External Roughing | ★★☆☆☆ Fair | 0.5-2.5 mm |
| Semi-Finishing | ★★★★☆ Very Good | 0.5-2.0 mm |
| Precision Finishing | ★★★★★ Excellent | 0.1-0.5 mm |
| Profile Contouring | ★★★★☆ Very Good | Variable |
| Grooving / Parting | ★★★☆☆ Good | N/A |
9. Recommended Cutting Conditions
| Parameter | Carbon Steel | Stainless Steel | Cast Iron |
|---|---|---|---|
| Cutting Speed Vc (m/min) | 180-320 | 140-250 | 150-280 |
| Feed fn (mm/rev) | 0.08-0.20 | 0.08-0.20 | 0.08-0.20 |
| Depth of Cut ap (mm) | 0.5-2.5 | 0.5-2.5 | 0.5-2.5 |
| Coolant Recommendation | Emulsion 8-10% | Emulsion 10-12% | Dry or Mist |
10. Operating Guidelines
- Always use sharp cutting edges for finishing operations; worn edges increase cutting forces and reduce surface quality.
- Ensure proper toolholder clamping force (torque: 4.5-6.0 Nm) to prevent insert movement during heavy cuts.
- Apply sufficient coolant flow (minimum 8% concentration) for steel machining to prevent built-up edge formation.
- For interrupted cuts, reduce cutting speed by 20-30% to prevent thermal shock and premature edge chipping.
- Verify toolholder seat condition before insert installation; damaged seats cause uneven load distribution.
- Use recommended nose radius for feed rate: fn ≤ 0.5 × corner radius to avoid notching and ensure surface finish.
- For CA125P grade: maintain consistent chip thickness to maximize PVD coating life and prevent delamination.
- For CA310 grade: suitable for dry machining on cast iron; coolant may be omitted to extend thermal crack resistance.
- Store inserts in original packaging away from direct sunlight and humidity to prevent corrosion of uncoated edges.
- Replace inserts at the first sign of flank wear (VB = 0.3 mm) to maintain dimensional accuracy and prevent catastrophic failure.
11. Toolholder Compatibility
The CCMT120408GK is compatible with the following ISO-standard toolholder families:
| Toolholder Series | Approach Angle | Application |
|---|---|---|
| SCLCR/L (95°), SCLCR/L (75°) for 12mm inserts | Standard | External Turning |
| Kyocera Standard Clamp | Varies | Universal |
Important: Ensure toolholder pocket size matches IC 12 mm. Use Kyocera genuine toolholders for optimal insert life and safety.
12. Packaging & Ordering Information
| Item | Details |
|---|---|
| MPN / Catalog No. | TMC00531 |
| Packaging Type | Plastic box, 10 inserts per pack |
| Quantity per Pack | 10 inserts |
| Minimum Order | 10 pieces (1 pack) |
| Unit Price (USD) | $7.60 |
| Barcode | 400531 |
13. Catalog Meta Data
| Attribute | Value |
|---|---|
| Catalog Series | Kyocera Standard Turning Inserts |
| Revision | 2026-A |
| Page Reference | Cat.2026.p335 |
| Warranty | Standard manufacturer defect warranty |
| Lead Time | 2-3 business days |
Note: All specifications are nominal values based on manufacturer datasheets. Actual performance depends on machine rigidity, workpiece material consistency, and adherence to recommended cutting parameters. Always verify compatibility with your specific application before use.
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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:
- Use the official Kyocera Item Code and Grade specification to verify exact dimensions and compatibility before purchasing.
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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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If you have any doubts regarding tool geometries, coatings, or application grades, please consult our support team at sales.kyotow@gmail.com before finalizing your procurement.
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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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