'Jobber Drill Bit, Wire, Drill Bit Size #57, Decimal Equivalent 0.0430, Drill Bit Point Angle 135 Degrees , Drill Bit Material High Speed Steel, Drill Bit Finish Black Oxide, Flute Type Spiral, Coolant Through No, Cutting Direction Right Hand, Grade Heavy Duty, Overall Length 1-3/4 In., Shank Dia. 0.0430 In., Flute Length 3/4 In., Point Type Conventional Point, List Number 1801, For Alloy, Stainless And Tool Steels And Cast Iron'