![]() Be sure to read your chosen drill bit’s product description to understand its uses and limitations. Special coatings can also increase the bits’ heat or wear resistance. HSS, cobalt, and carbide each have unique advantages in terms of durability, heat resistance, and compatibility with specific materials. Carbide drill bits are the hardest, but this quality makes them more brittle. HSS bits can drill hardwood, PVC, plastic, and metals, but these drill bits aren’t as durable as cobalt and carbide bits.Ĭobalt drill bits are made with a small amount of cobalt to increase durability. Long drill bits can be made from different materials, including high-speed steel (HSS), cobalt, and carbide. They Can Be Made From HSS, Cobalt, or Carbide The extended length is particularly beneficial when drilling holes in roof beams, frames, or other spaces where a standard-length drill bit cannot work. Long drill bits give you the flexibility to work in hard-to-reach locations. For example, at Drill Bit Warehouse, we can manufacture extra-long drill bits that measure up to 12 feet. Many long drill bits are 12 to 18 inches long, but extra-long drill bits can be much longer. The distinguishing characteristic of a long drill bit is its length. Discover everything to know about long drill bits so you can work accurately and efficiently. No other cutting tool will do when you need a long drill bit. Long and extra-long drill bits make it possible to drill deep or to work in otherwise impossible-to-reach places. ![]()
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