10pc Kyocera TPGN160304S00820 A66N – Ceramic Turning Insert (Negative Triangle, Finishing)
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Kyocera TPGN160304S00820 A66N – Ceramic Turning Insert (10 pcs Negative Triangle, Finishing)
The Kyocera TPGN160304S00820 A66N is a high-performance ceramic turning insert designed for finishing operations on hardened steels and cast iron. Constructed from Kyocera’s A66N silicon nitride-based ceramic grade, it provides exceptional resistance to thermal shock and wear, enabling stable machining at high cutting speeds. The S00820 chipbreaker geometry ensures clean cutting performance and superior surface finish, making it ideal for precision finishing in high-speed dry machining environments.
Key Features & Benefits
- A66N Grade: Silicon nitride-based ceramic with outstanding fracture toughness and wear resistance.
- High-Speed Capability: Suitable for dry cutting at elevated speeds up to 800 m/min.
- Stable Performance: Excellent thermal stability reduces edge wear and maintains consistent accuracy.
- Finishing Geometry: S00820 design provides sharp edge strength for smooth surface quality.
- Ideal Applications: Machining of hardened cast iron, ductile iron, and alloy steels.
Technical Specifications
- Designation / Order Code: TPGN160304S00820 A66N
- Insert Type: Negative Triangle Turning Insert
- Material: Silicon Nitride-Based Ceramic
- Grade: A66N
- Geometry: S00820 – Finishing Type
- Inscribed Circle (IC): 9.525 mm
- Thickness (S): 3.18 mm
- Corner Radius (RE): 0.4 mm
- Relief Angle (α): 0° (Negative Type)
- Tolerance: ±0.05 mm (IC) / ±0.025 mm (Thickness)
- Cutting Speed (Vc): 400 – 800 m/min (dry machining)
- Feed Rate (f): 0.05 – 0.20 mm/rev
- Depth of Cut (ap): 0.1 – 1.5 mm
- Coolant: Dry Cutting Recommended
- Pack Quantity: 10 pcs
About Kyocera A66N:
The A66N ceramic grade by Kyocera combines silicon nitride’s toughness with excellent wear and heat resistance, ensuring stable cutting at high speeds and long tool life. It is specifically designed for high-efficiency dry turning of hardened steels and cast iron where thermal stability and edge integrity are essential.