7/16 SOLID CARBIDE SCREW MACHINE DRILL
Alfa USA Solid Carbide Screw Machine Drill Bit, 7/16" Diameter, 0.4375 Decimal Equivalent, 2-1/16" Flute Length, 3-7/16" Overall Length, Heavy Drill, 135 degree Drill Point, Slow Helix, Right Hand Spiral, Made in USA, 1 per Tube