![]() Twist drill bits make clean holes and consist of thin rods of metal and high-speed steel.ĭrillers use them in drilling applications such as boring, reaming, countersinking, and threading. However, people also use them to drill holes in soft materials like plastics, rubber, leather, and paper. They cut holes in rigid materials such as stone, concrete, ceramic tiles, metal, and wood. Twist drill bits are the first on our list of types of drill bits. These types of bits drill more complex materials like steel, copper, brass, and stainless steel. Black oxide coated bit also drills softer materials such as wood, plastic, fiberglass, concrete, etc.Īnother type of coated bit is the TiN coated bit. In addition to keeping the bit cooler, it also keeps the bit cleaner. This type of bit keeps the bit cool during drilling. The black oxide-coated bit is the most common type of drill bit. Its properties make it perfect for various industries, including aerospace, automotive, electronics, energy production, and medical devices. The most versatile material in existence is cobalt. This allows drillers to reach deeper levels of rock formations and extract more significant amounts of oil. As a result, drillers can operate their equipment at much higher speeds without fear of breaking off the tip. ![]() Manufacturers use carbide bits to cut concrete, wood, steel, and fiberglass.īecause of their strength, carbide bits can withstand extreme temperatures and pressures. While many believe that carbide bits are just used in mining operations, that is far from true. Carbide-TippedĪs mentioned earlier, carbide is solid. However, people prefer the HSS bits because they offer better performance under challenging conditions. ![]() However, most drill bits use either carbide or cemented carbides as cutting surfaces.Ĭarbide drill bits are typically more complex and robust than cemented carbide bits and are recommended for softer rock and concrete applications. Its high-speed tool steel contains elements such as molybdenum, tungsten, nickel, cobalt, copper, manganese, silicon, sulfur, and phosphorus. High-speed steel (HSS) is one of the common types used in the manufacturing process of drill bits. Here are a few materials used in making drill bits. Regardless of the type of drill bit, they consist of similar materials used in making them. Some drill bits are even made to fit specific tools. They come in various shapes and sizes and have different functions.įor example, there are drill bits specifically for drilling through hard surfaces, while others are made for soft materials, like wood. Many kinds of drill bits are available depending on what you want to do. What is a Drill Bit?Ī drill bit is a tool used to cut holes in materials like wood or metal. This article provides guidance on the types of drill bits for each function. The type and size of the drill bit will determine how deep the hole can be drilled, which affects the depth at which the screw can be inserted.Ĭhoosing the correct drill bit is crucial to ensure maximum performance. A drill bit cuts a hole into a material, such as wood or concrete.
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