21-Piece 3-Flute Cobalt Drill Bit Set, M35 Metal Drill Bits, 1/16"-1/2" | for Metal, Steel, Hardened Steel, Stainless Steel, Cobalt Coating, 3-Flats Shank, 135° Split Point Tip, with Storage Case 1/16 - 1/2 in (21pcs)
M35 Cobalt High-Speed Steel: Made from industrial-grade M35 high-speed steel with 5% Cobalt for enhanced durability with better hardness and wear resistance
3-Flats Shank: Prevents the shank from spinning in the chuck for a secure grip
135° Split Point Tip: Offers precise and faster drilling performance with less walking
Wide Application: Ideal for drilling through hard metals, such as hardened stainless steel, cast iron, aluminum alloys, and more