10 pc Kyocera TKN3 TN90 – Cut-Off & Grooving Insert (High Precision, TN90 Grade)
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Kyocera TKN3 TN90 – Cut-Off & Grooving Insert (10 pcs High Precision, TN90 Grade)
The Kyocera TKN3 TN90 is a precision-engineered cut-off and grooving insert designed for stable, high-accuracy grooving in steels and stainless steels. Built with Kyocera’s TN90 uncoated carbide grade, this insert provides excellent edge sharpness, reduced cutting resistance, and superior dimensional control. Its robust geometry supports both radial and axial grooving, making it a reliable choice for demanding production environments where surface quality and accuracy are critical.
Key Features & Benefits
- TN90 Grade: Fine-grain uncoated carbide providing sharp cutting performance and high dimensional accuracy.
- High Precision: Stable performance in narrow grooves and parting operations.
- Low Cutting Resistance: Optimized edge geometry minimizes burrs and improves surface finish.
- Versatile Application: Suitable for external and internal grooving, parting-off, and profile cutting.
- Long Tool Life: Superior edge retention and thermal resistance even under dry cutting conditions.
Technical Specifications
- Designation / Order Code: TKN3 TN90
- Insert Type: Grooving / Parting Insert
- Material: Uncoated Carbide (TN90 Grade)
- Grade: TN90 – High-Precision, Uncoated Fine Carbide
- Cutting Width (CW): 3.1 mm
- Cutting Depth (CDX): up to 20 mm
- Corner Radius (RE): 0.25 mm
- Relief Angle (α): 7°
- Tolerance (CW): ±0.05 mm
- Pack Quantity: 10 pcs
- Recommended Cutting Speed (Vc): 80 – 200 m/min
- Feed Rate (f): 0.03 – 0.15 mm/rev
- Depth of Cut (ap): 0.1 – 3.0 mm
- Coolant: Dry or Wet (Wet recommended for longer tool life)
- Compatible Toolholders: KGDR / KGDL / GDF Series Holders
- Pack Quantity: 10 pcs
About Kyocera TN90:
Kyocera’s TN90 is an uncoated fine-grain carbide grade specifically engineered for grooving and parting operations requiring high accuracy and clean surface finishes. It offers excellent toughness and sharpness for low cutting forces, ensuring smooth chip control and precise results in both steel and stainless steel machining.