423-872, RS PRO, RS PRO HSS Drill Bit, 8.3mm Head, 3 Flute(s), 90°, 1 Piece(s), Brand RS Pro, Head Diameter 8.3mm, Drill Bit Type Countersink, Countersink Angle 90° RS PRO HSS Drill Bit, 8.3mm Head, 3 Flute(s), 90°, 1 Piece(s)