16mm Diameter 3 Flute Carbide Drill, 150? Split Point, TiN Coated, 90mm Flute Length, 146mm Overall Length 90mm Flute Length,16mm Shank,146mm OAL GWS/Monster 3 flute carbide drills made from C-2 Sub-Micron Grain Carbide With 10% Cobalt Content. Universally rated for use on all ISO materials. Performs exceedingly well in short-chip materials like steel, iron, brass and bronze. Rapid penetration and the utmost in accuracy are made possible by a three flute design complemented by a 150? split point. Proprietary drill point technology utilizes a perfected combination of facets, corner breaks, and edge prep to produce the strongest cutting action. No preliminary drilling or spotting needed. Made in the USA. GWS/Monster Tool Part #453-406299B