![]() Carbide drill bits are made from a combination of tungsten carbide and cobalt. This is because carbide is a much harder and more durable material than HSS. Generally, carbide drill bits have a longer lifespan than HSS (high-speed steel) drill bits. Carbide Drill Bits Have Longer Service Life Than HSS These features make carbide drill bits ideal for high-volume production environments where speed and efficiency are essential.Ĭarbide drill bits are used on CNC machines in order to gain faster cutting and drillings 04. Lastly, carbide drill bits are more rigid than HSS bits, maintaining their shape and sharpness during drilling, resulting in a more efficient and faster drilling process. Additionally, the tungsten carbide material is an excellent conductor of heat, dissipating heat more effectively than HSS bits. They also generate less heat, reducing the likelihood of the bit overheating or becoming dull. The lower coefficient of friction encountered by carbide drill bits means they experience less resistance as they penetrate the workpiece, resulting in a faster drilling speed. ![]() Carbide Drill Bits Are Faster Than HSSĬarbide drill bits are known for their exceptional hardness and durability, making them ideal for drilling hard materials.Ĭompared to High-Speed Steel (HSS) drill bits, carbide drill bits are faster due to their lower coefficient of friction, better heat control, and increased rigidity. While HSS drill bits are not as hard as carbide drill bits, they are still able to withstand high temperatures and can be used to drill into a wide range of materials, including wood, plastic, and soft metals. However, HSS drill bits typically have an HRC value of around 60 to 66. The exact HRC value can depend on the specific type and grade of HSS used, as well as the manufacturing process used to create the drill bit. HSS drill bits typically have a lower HRC value than carbide drill bits. This high level of hardness allows carbide drill bits to withstand high temperatures and resist wear and chipping, making them a popular choice for drilling into tough materials such as metal and concrete. However, in general, carbide drill bits typically have a hardness rating of around 90 HRC or higher. The HRC value of carbide drill bits can vary depending on the specific composition and manufacturing process used to create them. Carbide Drill Bits Are Stronger Than HSS Drill Bits ![]() It improves physical properties of HSS drill bits 02. HSS drill bits are coated with black oxide drill bits. ![]() However, carbide drill bits tend to be more durable and can last longer than HSS drill bits, which can make them a better long-term investment for certain applications. However, they are more difficult to resharpen than HSS drill bits, and they require more specialised equipment to do so. These coatings are less expensive than the coatings used on Carbide drill bits, which can also contribute to lower costs.Ĭarbide drill bits also have a longer lifespan than HSS drill bits and are less likely to wear out or break during use. HSS drill bits can be produced by conventional methods, while Carbide drill bits require specialized equipment and techniques.įurther, HSS drill bits can be coated with materials like titanium nitride or black oxide to increase their wear resistance and extend their lifespan. The manufacturing process for HSS drill bits is simpler and less expensive compared to Carbide drill bits. High-Speed Steel (HSS) drill bits are generally less expensive than carbide drill bits. HSS Drill Bits Are Cheaper Than Carbide Drill Bits More than that, HSS drill bits have a higher cost per hole than carbide drill bits. But carbide drill bits are not needed to sharpen frequently. HSS drill bits need to sharpen when it is used frequently. But carbide drill bits can be used on most of metals due to their high hardness. HSS drill bits can be used on limited metals. Carbide drill bits are stronger than HSS drill bits. When some coating is applied to the HSS drill bits, their color can be changed. HSS and carbide drill bits are both the same in color.
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