13Piece M35 Cobalt Drill Bit Set,Professional HSS Twist Drills Metal drilling kit For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper,1MM 6.5MM 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. Extended DIY Set – The Perfect Balance of Coverage & Value: This 13-piece drill bit set covers the most commonly used sizes: 1.0, 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 6.5mm, giving you the flexibility to handle a wide range of drilling tasks without overpaying for rarely used sizes. Compared to basic sets, it offers greater precision and versatility, while staying more compact and cost-efficient than larger kits. Ideal for home DIY, repairs, and workshop use. 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.