M42 Cobalt Drill Bit Sets 

At Drill Bit Warehouse, our premium, jobber, and stubby M42 cobalt drill bit sets come in sizes up to 1/2″ with several widths and tip variations for your preferred drilling applications. Whether you need a 13-piece drill set or our entire retail set, they all feature quality that you just can’t get anywhere else. Our cobalt metal drill bit set provides high-production drilling for various hard materials, along with 135-degree split points and heat-treated surfaces for the best and longest-lasting performance. When you try our M42 drill bit sets, you’ll get premium high-molybdenum high-speed steel that provides ultimate performance and meets ANSI standards. Ask about our non-coated sets today for your drilling needs; you won’t find anything better!