Solid Carbide Drill, 9/32 inch Dia, 140 Deg Point Angle, AlTiN-Si Coated, Plain Shank Through-coolant: no Standard: DIN 6537 Tolerance nominal dia : m7 Number of cutting edges Z: 2 Tolerance nominal dia : m7 recommended maximum drilling depth L2: 42.3 mm Overall length L: 91 mm Shank dia Ds: 8 mm Feed f in steel .Flute length LC = L2 + 1. Concave major cutting edges and a special flute profile ensure a good chip evacuation.