Brand: RUKO Item: Drill bit Replacement: No Material: 5% cobalt high-speed steel (HSSE-Co5) Application: Hole cutting Finish: Bright Overall Length: 3.1in (79mm) For Use On: Steel, brass, plastic, stainless steel, bronze, cast iron and aluminum Drill Bit Type: Step Drill Bit Size: 1/8in, 5/32in, 3/16in, 7/32in, 1/4in, 9/32in, 5/16in, 11/32in, 3/8in, 13/32in, 7/16in, 15/32in and 1/2in Step Drill Size: #1 Number Of Hole Sizes: 13 Point Cut: Split Shank Type: 1/4in diameter 3-surface Point Angle: 118 degrees RUKO step drill bit, 13 steps, 1/8in, 5/32in, 3/16in, 7/32in, 1/4in, 9/32in, 5/16in, 11/32in, 3/8in, 13/32in, 7/16in, 15/32in and 1/2in, split point, 5% cobalt high-speed steel (HSSE-Co5), bright finish, 1/4in diameter 3-surface shank.
