Carbide drills are a key component in the world of industrial and manufacturing tools. Made from tungsten carbide, a material known for its extreme hardness and resistance to wear, carbide drills are used for drilling into hard materials like metal, stone, and ceramics. Unlike regular high-speed steel (HSS) drills, carbide drills are capable of maintaining sharpness and durability eve... http://mayoworld.com/suppliers/solid-carbide-drills