The flutes are designed for fast and efficient debris removal while drilling. You can use either the hammer or rotary mode, however, the rotary mode is recommended when working on masonry. The tip is made of carbide to extend durability and can serve both professionals and DIY enthusiasts. They are suitable for applications on woods, metals, masonry, and concrete to create clean holes with their sharp edges. The multi-material drill bits are manufactured for multipurpose use, as the name implies. It can be used on a wide range of materials like various metals, woods, and plastics. Black Oxide bits are tougher than the standard HSS bits and with a longer lifespan. Because of this, friction is significantly reduced and the bit can be used at higher RPM’s. These are high-speed steel bits that have been heated to a high temperature to give a result that is resistant to corrosion and rust. If the material your working with is a hard metal like stainless steel or cast iron, Cobalt drill bits are your best choice. They can also be used to drill through all kinds of surfaces, including plastic, wood and most metals. The Cobalt alloy creates a high-performance structure that can bore through hard materials like stainless steel and titanium. Cobalt Drill BitsĬobalt drill bits are made from an alloy of high-speed steel and cobalt, and are best suited for large volumes of metal work as they can resist abrasion and tremendous heat produced by these metals. It is, however, advisable to replace them instead of recoating. Apart from being responsible for its durability, the coating also ensures that materials like aluminum do not stick to the bit.Īfter prolonged usage, they could become blunt and might not be useful unless they’re recoated. Compared to other types of drills, they have a longer lifetime and the titanium nitride coating is responsible for this. These drill bits are ideal for drilling through plastics, woods, and metals faster. Once again, due to the hardness of the material at the tip, glass bits are not easy to sharpen once blunt but an oilstone would still do this. This will deliver more torque and enhance your control while drilling.ĭue to the rigidity of the carbide, the application of lubricant (water is recommended) to keep the tip cool and cutting, also minimizes dust. If your using a drill that has a dual speed gear box, make sure it is engaged in the lower speed range. Ideally, Auger drill bits are used for this purpose and do not require the application of unnecessary pressure they should be driven at a low speed but high torque (preferably, 600 revolutions per minute) for a desirable result.
#Different types of drill bits chart how to#
Let’s go over the different types of drill bits and how to use them.īoring large holes in woods and thick man-made boards requires the use of more powerful drills than twist drills. Fortunately, drills of varying materials, sizes, and shapes are made available by their manufacturers and you could select any depending on your needs. However, selecting and using the right type of drill bits on a target material is another thing to know, otherwise, you risk damaging the working material.
Does that sound like something you want to reckon with? Of course, one of the things that are nearly inevitable while working on a simple project or task is drilling holes, but have you been doing it correctly?Īnyone could pick up a drill bit of a desired shape-type and start drilling holes.
#Different types of drill bits chart professional#
Not only will this make your work easier but also gives it a professional look. As a DIY enthusiast, it is quite appealing to have a complete set of tools in your kit.
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