Kyocera Turning Insert RCMA66T08015625AA A66N, manufacturer part number TCS89064.
Specifications: IC Size: 3/4 in (19.05 mm); Insert Thickness: 3/8 in (9.525 mm); Insert Holding Method: Screw or Clamp; Old Material Number: 8850332; Rake: Positive; Cutting Range: Finishing-Medium; Usage Classification: Continuous; Insert Size: 66/625AA; Hand Direction: Neutral; Insert Style: RCMA; Insert Shape: Round; ANSI Designation: RCMA66T08015625AAA66N; ISO Designation: RCMA190900P20015; Machining Operations: Roll Machining; Insert Grade: A66N; Workpiece Material: Hardened Steel; Coating Process: PVD.
Material: Ceramic - Aluminum Oxide / Titanium Carbide. Coating/Finish: Al2O3/TiC (TiN Coat). Series: ISOI. Unit of measure: Inch.