This split-point drill bit helps to reduce thrust and eliminates walking at the drill point. It is ideal for tight tolerance and portable drilling. It also features cobalt construction for high resistance to abrasion and heat. Use on harder materials like stainless steel and armor. Meets National Aerospace Standards 907.Specification: Item : Jobber Length Drill BitDrill Bit Size : 3/16"Decimal Equivalent : 0.1875Measurement System : Fractional InchMaterial - Machining : CobaltFinish - Machining : Straw/BronzeDrill Bit Point Angle : 135 DegreesDrill Bit Point Type : Split PointCoolant Fed : Non-Coolant ThroughFlute Type : SpiralNumber of Flutes : 2Flute Length : 2-5/16"Maximum Drilling Depth : 3/4"Helix Angle : 28 DegreesCutting Direction : Right HandSpiral Direction : Right HandShank Type - Machining : StraightShank Dia. : 3/16"Shank Length : 1-3/16"Overall Length : 3-1/2"Depth:Dia. Ratio : 4xDDrill Length Class : Jobber LengthDrill Point Length : 0.0388"Drill Bit Grouping : IndividualSeries : 550Standards : NAS 907 Type JAircraft Drill : YesDrill Diameter Tolerance : +0"/-0.0007"Material Grade - Machining : M42Primary Material Application : Stainless Steel, Steel, TitaniumPrimary Material Application ISO Code : M, P, S"