Kyocera Replaceable Tip Drill SF12DRA080M3, manufacturer part number THD08580.
Specifications: Cutting Diameter: 7.94 - 8.49 mm (0.3125 - 0.3343 in); Overall Length: 84.00 mm (3.3071 in); Number of Flutes: 2; Shank Type: Flange Shank; Insert Holding Method: Screw; Old Material Number: 8845578; Connection Diameter: 12.00 mm (0.4724 in); Usable Length: 25.50 mm (1.0039 in); Contact Surface Diameter Machine Side: 16.00 mm (0.6299 in); Cutting Diameter Minimum: 7.94 mm (0.3126 in); Cutting Diameter Maximum: 8.49 mm (0.3343 in); Number of Inserts: 1; Coolant Option: Internal Coolant; Hand Direction: Right; Insert Style: SF…DRA; ANSI Designation: SF12DRA080M3; ISO Designation: SF12-DRA080M-3; Machining Operations: Drilling; LxD Ratio: 3xD.
Material: Steel. Series: DRA. Unit of measure: Metric.