10pc Kyocera TNGA160408S01525 A66N – Ceramic Turning Insert (Heat-Resistant Alloy and Cast Iron Machining)
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Kyocera TNGA160408S01525 A66N – Ceramic Turning Insert (10 pcs Heat-Resistant Alloy and Cast Iron Machining)
The Kyocera TNGA160408S01525 A66N is a premium negative-type ceramic turning insert designed for efficient high-speed machining of heat-resistant alloys and cast iron. Utilizing Kyocera’s advanced A66N alumina-based ceramic grade, this insert delivers exceptional wear resistance, superior thermal stability, and high performance under dry cutting conditions. The S01525 edge preparation ensures excellent edge integrity and consistent performance in demanding environments where tool life and surface finish are critical.
Key Features & Benefits
- A66N Grade: Alumina-based ceramic grade optimized for high-speed machining of heat-resistant alloys and cast iron.
- Exceptional Wear Resistance: Maintains hardness and edge strength at high cutting temperatures.
- Stable Cutting at High Speed: Suitable for continuous cutting of hardened or scale-bearing surfaces.
- Edge Preparation S01525: 0.20 mm × 25° chamfered edge for improved toughness and stability.
- Dry Machining Capability: Performs optimally without coolant, reducing setup complexity and cost.
Technical Specifications
- Designation / Order Code: TNGA160408S01525 A66N
- Insert Type: Negative 60° Triangular Ceramic Insert (No Hole)
- Material: Alumina-Based Ceramic (Al₂O₃)
- Grade: A66N – For heat-resistant alloy and cast iron machining
- Application: Finishing to medium turning under dry conditions
- Edge Type: S01525 – 0.20 mm × 25° chamfered edge
- Inscribed Circle (IC): 9.525 mm
- Thickness (S): 4.76 mm
- Hole Diameter (D1): 3.81 mm
- Corner Radius (RE): 0.8 mm
- Relief Angle: 0° (Negative Type)
- Cutting Speed (Vc): 200 – 1000 m/min (dry)
- Feed Rate (f): 0.05 – 0.25 mm/rev
- Depth of Cut (ap): 0.2 – 3.0 mm
- Coolant: Dry machining only
- Tolerance: ISO standard – ±0.05 mm on IC, ±0.025 mm on thickness
- Pack Quantity: 10 pcs
About Kyocera A66N:
Kyocera’s A66N ceramic grade is engineered for reliable high-speed machining of heat-resistant alloys, gray cast iron, and hardened materials. With excellent thermal stability and oxidation resistance, it enables consistent tool life, stable cutting edges, and improved surface finish in dry machining applications.