M35 High Speed Steel Drill Bit Set With Five Percent Cobalt One Half Inch Shank Nine Sixteenth Inch To One Inch Eight Pieces In Durable Plastic Case Pro Grade Heavy Duty Metalworking Bits For Drill Press And Hand Drills

M35 cobalt HSS drill bit set, 1/2 in shank, 9/16-1 in (8pc)
✔️ 8-piece set, sizes 9/16-1 in, 1/2 in shank, 135° split point

This M35 high-speed steel drill bit set combines 5% cobalt for improved heat resistance and longer life. Ideal for drilling hard metals such as cast iron and stainless steel, it performs well in both drill presses and handheld drills.

✅ 135° split point for precise starts; no pilot hole required
✅ Straight shank with 3 equal flats fits 1/2" chucks for reduced slip
✅ Optimized for hard materials: cast iron, heat-treated steel, stainless steel
✅ Includes 8 sizes: 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1"

💡 What is a high-speed steel drill bit set with cobalt used for in metalworking?

This handy set is designed to cut hard metals with less heat buildup. - Handy for drill presses and hand drills in metalworking - Long-wearing cobalt-infused HSS for stainless steel and cast iron - 135° split point reduces wandering and eliminates the need for pilot holes - Fits standard 1/2" chucks for quick setup and stable drilling