Flute Length: 1 1/8 In;Overall Length: 2 3/8 In;Finish: Black Oxide;Drill Bit Finish: Black Oxide;Point Angle: 135 Degrees;Material: Cobalt M35;Application: For Aviation;Drill Bit Material: Cobalt Steel;Wire Size: #13;Drill Bit Point Angle: 135Degrees;Item: Threaded Shank Drill Bit;Drill Bit Size: #13;Decimal Equivalent: 0.1850;Cutting Direction: Right Hand;Drill Bit Dimension Type: Wire;Shank Size: 1/4"-28;Drill Bit Grouping: Drill Bit;Shank Type - Machining: Threaded;Flute Type: Spiral;Material Grade - Machining: M35;Shank Thread Size: 1/4"-28;Material - Machining: Cobalt;Drill Bit Point Type: Split Point;Finish - Machining: Black Oxide;Measurement System: Wire;Standards: Not Rated;Aircraft Drill: No;Country Of Origin (Subject To Change): China;