Spiral Point Tap, Thread Size #10-32, UNF, Overall Length 2 11/32 in, HSS-E, TiCN, Right Hand, Thread Length 1/2 in, 75 Percent Thread Drill Size #21, Thread Limit H11, Class of Fit H3, Number of Flutes 2.
5781.Screw Machine Drill Bit, Drill Bit Size 37/64 in, Drill Bit Point Angle 140 Degrees , Conical Point, Carbide, AlCrN, Coolant Through, Cutting Direction Right Hand, Decimal Equivalent 0.