Grizzly T28065 - Step Drill Bit 3/16" to 5/8" TiN Coated by 16ths, 8 Steps, Hex Shank

Easy to read, laser-etched hole diameters make drilling to exact sizes fast and efficient. TiN coated for extended durability, these Step Drills have hex shanks for quick-change chucks. Range is 3/16" - 5/8", steps in 8 x 16ths.