Kyocera Turning Insert TPMT221HQ TN60, manufacturer part number TSJ02980.
Specifications: IC Size: 1/4 in (6.35 mm); Insert Thickness: 1/8 in (3.18 mm); Corner Radius: 1/64 in (0.40 mm); Insert Holding Method: Screw or Clamp; Old Material Number: 8804319; Rake: Positive; Number of Cutting Edges: 3; Cutting Range: Finishing-Medium; Usage Classification: Continuous; Insert Size: 221; Hand Direction: Neutral; Insert Style: TPMT; ANSI Designation: TPMT221HQTN60; Chip Breaker Type: HQ; ISO Designation: TPMT110304HQ; Included Angle: 60 degrees; Machining Operations: Back Boring, Boring, Copying, External Turning, Internal Facing; Insert Grade: TN60; Workpiece Material: Steel; Insert Shape: Triangle.
Material: Cermet. Coating/Finish: Uncoated. Series: ISOI. Unit of measure: Inch.