10pc Kyocera TKN3 CR9025 – Cut-Off Insert (General Purpose, TK Chipbreaker)
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Kyocera TKN3 CR9025 – Cut-Off Insert
The Kyocera TKN3 CR9025 is a high-precision cut-off insert designed for stable parting and grooving operations on carbon steel and alloy steel. Using Kyocera’s proven CR9025 CVD-coated carbide grade with MEGACOAT NANO technology, it offers superior wear resistance, excellent heat-resistance, and outstanding toughness for extended tool life. The TK chipbreaker geometry provides reliable chip evacuation, preventing chip jamming and ensuring smooth cutting under a wide range of cutting conditions.
Key Features & Benefits
- CR9025 Grade: CVD-coated carbide optimized for high-speed steel and stainless-steel cut-off operations.
- TK Chipbreaker: Stable cutting edge with large corner-radius for long tool life and chip control.
- High Wear Resistance: Maintains edge sharpness and surface finish under continuous or interrupted cuts.
- Enhanced Toughness: Resists fracture and built-up edge formation even in unfavorable cutting conditions.
- Economical Design: 2-edge geometry maximizes insert utilization for lower tooling cost per component.
Technical Specifications
- Designation / Order Code: TKN3 CR9025
- Insert Type: Cut-Off Insert for KTK Type Holders
- Chipbreaker: TK (General Purpose Grooving and Parting)
- Grade: CR9025 (CVD-Coated Carbide – MEGACOAT NANO)
- Applicable Materials: Steel (P) / Alloy Steel / Stainless Steel (M)
- Insert Width (CW): 3.0 mm ± 0.05 mm
- Insert Length (L): 26.8 mm ± 0.10 mm
- Thickness (T): 3.1 mm (nominal)
- Corner Radius (RE): 0.25 mm
- Cutting Width (CW): 3.1 mm
- Relief Angle: 7°
- Recommended Cutting Speed (Vc): 80 – 180 m/min (steel)
- Feed Rate (f): 0.05 – 0.25 mm/rev
- Coolant Use: Wet recommended for stainless applications
- Pack Quantity: 10 pcs
About Kyocera CR9025:
Kyocera’s CR9025 grade combines a tough carbide substrate with a multi-layer MEGACOAT NANO CVD coating to deliver exceptional wear and oxidation resistance. This enables consistent surface finish and longer tool life in both medium and heavy parting applications.