Sandvik Coromant Jobber Drill, 1/4 in Drill Size - Fraction, 0.25 in Drill Size - Decimal Inch, 4 in Overall Length, 2.3051 in Cutting Depth, 2 Flutes, SSK Flute, 2.5547 in Flute Length, 1/4 in Shank, Cylindrical Shank, 118 deg Point, Notched Point, Right Hand Cutting, Carbide Cutting Edge, Carbide, Uncoated, Applicable Materials: Composite, Aluminum, Titanium, Heat Resistant Superalloy, Stainless Steel and Metallic Stack Materials