5/16" Cobalt Heavy Duty Split Point Stub Drill Bit D/ASTCO5/16 - First Industrial Supplies

Size: 5/16, Material: Cobalt, Finish: Gold, Flute Length: 1-5/8, Overall Length: 2-13/16, Shank Type: Round, Style: Screw Machine/Stub, Cutting Angle: 135, Point Type: Split Point, Number of Flutes: 2, Cutting Direction: Right Hand Screw machine drills (also know as stub or stubby drills) are manufactured to Aerospace Standard 907. The 135 degree split point is self-centering and reduces thrust. Ideal for portable or machine drilling. Short, rugged construction performs well in a broad range of materials in the iron and steel families. Screw machine drills are popular in the automotive and co