Brand: RUKO Item: Drill bit Replacement: No Material: High-speed steel (HSS) Application: Hole cutting Finish: Titanium-Nitride (TiN) coated Overall Length: 2.6in (66mm) For Use On: Steel, brass, plastic, stainless steel, bronze and cast iron Drill Bit Type: Step Drill Bit Size: 7/8in Step Drill Size: #7 Number Of Hole Sizes: 1 Point Cut: Split Shank Type: 3/8in diameter 3-surface Point Angle: 118 degrees RUKO step drill bit, 1 steps, 7/8in, split point, high-speed steel (HSS), Titanium-Nitride (TiN) coated finish, 3/8in diameter 3-surface shank.