1/2 SOLID CARBIDE SCREW MACHINE DRILL
Alfa USA Solid Carbide Screw Machine Drill Bit, 1/2" Diameter, 0.5000 Decimal Equivalent, 2-1/4" Flute Length, 3-3/4" Overall Length, Heavy Drill, 135 degree Drill Point, Slow Helix, Right Hand Spiral, Made in USA, 1 per Tube