Screw Machine Drill Bit, Drill Bit Size #56, Drill Bit Point Angle 135 Degrees , 4 Facet Point, Carbide, AlTiN, Non-Coolant Through, Cutting Direction Right Hand, Decimal Equivalent 0.0465.
50 mm, Drill Bit Point Angle 135 Degrees , 4 Facet Point, Carbide Tipped, Bright (Uncoated), Non-Coolant Through, Cutting Direction Right Hand, Decimal Equivalent 0.Screw Machine Drill Bit, Drill Bit Size 10.