Precision Twist Drill Jobber Length Drill BitSeries: 301JD, Imperial, E Drill - Letter, 0.25 in Drill - Decimal Inch, 4 in Overall Length, 2-3/4 in Cutting Depth, Spiral Flute, 2-3/4 in Flute Length, 1/4 in Shank, Straight Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, Steam Tempered, Dark GrayApplicable Materials: Ferrous and Non-Ferrous Metal