GD1005520098000 W Dia x 89mm OAL-HSS-130?? Point-Parabolic Screw Machine Drill-UncoatedFull Description Measurement Type Letter Flute Length 43 mm Drill Bit Size / Cutting Diameter (DC) W Flute Count (NOF) 2 Decimal Equivalent 0.386" Overall Length (OAL) 89 mm Drill Bit Size / Cutting Diameter (DC) - L