The Century Drill & Tool 3/16 in. x 2-7/8 in. Cobalt Steel Stubby Drill Bit is engineered for high-performance drilling in tough metals and alloys. Its short, stubby design increases rigidity and reduces chatter, delivering accurate, clean holes in stainless steel, cast iron, and other hard materials. Built with a straight shank for reliable grip in chucks, this drill bit offers strength and durability for demanding metalworking tasks.