27Piece M35 Cobalt Drill Bit Set,Professional HSS Twist Drills Metal drilling kit For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper,1MM 13MM in Box

Built for Hard Steel – M35 Cobalt Strength: Made from premium M35 cobalt high-speed steel (5% cobalt), delivering HRC 63–66 hardness and superior heat resistance. Cuts through stainless steel, alloy steel, and other tough metals without dulling or overheating. Precision 135° Split Point: Self-centring tips eliminate the need for pilot holes or centre punching. scimaker metal drill bits for hard steel Ensures accurate, slip-free starts and delivers faster, cleaner holes in hard metals, cast iron, aluminium, plastics, and wood. One Set, Multiple Materials: Designed for stainless steel, cast iron, alloy steel, and titanium, while also handling aluminum, copper, plastic, and wood with ease. A true all-purpose drill bit set for home, workshop, or jobsite use. 27-Piece Professional Set – Built for Serious Work: Includes a complete size range 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0x2, 5.5, 6.0x2, 6.5, 7.0, 7.5, 8.0x2, 8.5, 9.0, 9.5, 10.0, 10.5, 11.0, 11.5, 12.0, 13.0mm with duplicates of high-use sizes (5mm, 6mm, 8mm), so you can keep working without interruption. Designed for professionals and demanding users who need precision, reliability, and zero downtime. Durable Design – Smooth, Cooler Drilling: Fully ground twist design with dual flutes ensures fast chip removal, reducing heat and friction. Hardened through high-temperature quenching for long-lasting performance. Packed in a sturdy storage case for easy organization.