Grizzly T31987 Specialty Drill Bits PRO 5 Pc M35 Cobalt Silver & Deming Drill Bit Set New

This 5-piece Silver & Deming drill bit set is designed for drilling large-diameter holes with a standard 1/2-inch drill chuck. Each bit features a reduced shank and a 6-inch overall length, making it a practical choice when you need bigger hole sizes without moving to a larger drill.

Made from M35 steel with 5% cobalt, these bits are built for demanding metalworking jobs and hold up well in tough materials such as stainless steel, hardened steel, cast iron, and titanium. The set includes 9/16", 5/8", 3/4", 7/8", and 1" sizes.

Ideal for machinists, fabricators, maintenance professionals, and serious DIY users, this set is a strong option for anyone who needs durable large-size drill bits for hard metals and heavy-duty shop work.