Brand: RUKO Item: Drill bit Replacement: No Material: High-speed steel (HSS) Quantity per Pack: 5 Application: Hole cutting Finish: Bright Overall Length: 6.0in (152mm) For Use On: Aluminum, brass, plastic, steel, bronze and cast iron Drill Bit Type: Jobber-length Drill Bit Size: 1/2in Point Cut: Split Shank Type: Round Point Angle: 118 degrees Flute Length: 4-1/2in Flute Angle: 25-30 degrees RUKO jobber-length drill bit, 1/2in, split point, high-speed steel (HSS), bright finish, round shank. Package of 5.