Kyocera Turning Insert TPMR321HQ CA025P, manufacturer part number TMH00494.
Specifications: IC Size: 3/8 in (9.525 mm); Insert Thickness: 1/8 in (3.18 mm); Corner Radius: 1/64 in (0.40 mm); Insert Holding Method: Clamp; Old Material Number: 8861871; Rake: Positive; Number of Cutting Edges: 3; Cutting Range: Finishing-Medium; Usage Classification: Continuous to Light Interruption; Insert Size: 321; Hand Direction: Neutral; Insert Style: TPMR; ANSI Designation: TPMR321HQCA025P; Chip Breaker Type: HQ; ISO Designation: TPMR160304HQ; Included Angle: 60 degrees; Machining Operations: Back Boring, Boring, Copying, External Turning, Internal Facing; Insert Grade: CA025P; Workpiece Material: Steel; Insert Shape: Triangle; Coating Process: CVD.
Material: Carbide. Coating/Finish: TiCN/Al2O3/TiN. Series: ISOI. Unit of measure: Inch.