Brand: RUKO Item: Drill bit Replacement: No Material: High-speed steel (HSS) Application: Hole cutting Finish: Titanium-Nitride (TiN) coated Overall Length: 3.3in (84mm) For Use On: Steel, brass, plastic, stainless steel, bronze and cast iron Drill Bit Type: Step Drill Bit Size: 3/16in, 1/4in, 5/16in, 3/8in, 7/16in, 1/2in, 9/16in, 5/8in, 11/16in, 3/4in, 13/16in and 7/8in Step Drill Size: #4 Number Of Hole Sizes: 12 Point Cut: Split Shank Type: 3/8in diameter 3-surface Point Angle: 118 degrees RUKO step drill bit, 12 steps, 3/16in, 1/4in, 5/16in, 3/8in, 7/16in, 1/2in, 9/16in, 5/8in, 11/16in, 3/4in, 13/16in and 7/8in, split point, high-speed steel (HSS), Titanium-Nitride (TiN) coated finish, 3/8in diameter 3-surface shank.
