Norseman 47472 15 Piece 1/16 - 1/2 in Nitride-Cryo Treated Jobber Drill Bit Set CT-15
Black & Gold Magnum Super Premium
Special Hi-Molybdenum tool steel. Precision ground: points, flutes, body, clearance, and drill diameter for the ultimate in accuracy and performance. Body and clearance are gold surface treated for maximum lubricity. Especially designed for hand held drills. Recommended for use in work hardening grades of stainless steel &other hard metal drilling applications.