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+1 (217) 579-8045Precision Twist Drill Jobber Length Drill Bit, Heavy Duty Special PurposeSeries: D444, Imperial, E Drill - Letter, 0.25 in Drill - Decimal Inch, 4 in Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 2-3/4 in Flute Length, 1/4 in Shank, Straight Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, Carbide Cutting Edge, No Through Coolant, HSS HM, BrightApplicable Materials: Lamellar Graphite, Nodular Graphite, Malleable Cast Iron, Abrasive and Non-Ferrous Materials