18mm HSS Cobalt Drill Bit, Reduced Shank Twist with 10mm Round for Stainless Steel Metal Wood Plastic, High Speed 6542

【High-Speed Steel 6542 for Maximum Durability】Made from HSS 6542 steel with a gold oxide finish, this drill bit resists bending, fracturing, and corrosion. Perfect for drilling through tough materials like stainless steel, aluminum, and hard plastics. 【Reduced Shank Design for Versatile Use】The 18mm cutting edge with a 10mm shank fits most portable drill chucks, expanding your tool’s capacity. Ideal for professionals and DIYers tackling a variety of materials. 【Precision Drilling with Smooth Cuts】Features a sharp 118° point angle and spiral groove design for fast, clean cuts. Reduces glitches and scrap, ensuring efficient drilling in metals, wood, and plastics. 【Wide Compatibility for Multiple Materials】Works seamlessly on stainless steel, aluminum, copper, brass, wood, and hard plastics. A must-have for metalworking, woodworking, and home improvement projects. 【Specs】Cutting Edge Diameter: 18mm/ Shank Diameter: 10mm/ Cutting Edge Length: 93mm/ Total Length: 150mm. Included: Plastic Storage Box.