![]() The shank is the end of your drill bit that you attach to your drill chuck. TiAlN, on the other hand, has high-alloy carbon steel and titanium applications. TiN-coated bits 3.2.4 Titanium-aluminum-nitride (TiAlN)/ Aluminum-titanium-nitride (AlTiN) coatedĪlTiN is the strongest coating, making it suitable for cutting stronger and softer irons. They also have a higher shelf life, offering more economic value. However, TiN-coated bits can admittedly cut faster than uncoated bits. These are similar to uncoated drill bits. They are mostly suitable for cutting ferrous materials.ĭrill bit with a black oxide coating 3.2.3 Titanium-nitride (TiN) coated The black oxide coating helps to increase chip flow and subsequently reduce friction. ![]() Because the materials are generally low in density and strength, uncoated drill bits work perfectly. Uncoated bits are particularly applicable to cutting plastic, wood, and soft metals like aluminum. Most bits usually have titanium as coatings to reduce overheating and increase productivity. It covers the drill bits and helps reduce friction, buckling, and wear. Drill bits with this material are most compatible with stronger metals due to wear resistance and shelf life.ĭrill bit coating is also an important aspect to discuss. This material type is best-suitable for cutting nonferrous metals. It has a longer shelf life, making it more durable and cost-effective than most metal drill bits. The carbide-tipped drill bit is a masonry bit that is particularly suitable for cutting hard materials. However, unlike many other metals, it is most suitable for cutting nonferrous metals. This tool is best suited to cut nonferrous and ferrous metals and can also cut carbon steel should the need arise.Ĭobalt steel is also a popular metal in a wide range of industries. HSS is one of the most popular drill bits due to its all-around application and diverse applications. Observe below the different material types and their application. Nevertheless, different drill bits have different properties and applications, which makes them distinct from each other. Most drill bits for metals are either high-speed steel or carbide. Below are several factors that you must consider in choosing your drill bit for metals 3.1 Material It will involve considering many factors, from the material type to the size of the drill bit.Ĭhoosing the best drill bit for your workpiece can improve your drill bits’ shelf life and offer a better economic value. To get the best out of your workpiece, you must have the best drill bit for metals. Section 3: What to Consider When Choosing the Best Drill Bits for Metal? Additionally, they can cut hard metals of great thickness. Long twist drill bits are for drilling openings that run further than a standard-length drill bit. ![]() The primary feature that characterizes a twist bit is its helix profile shape, which allows for easy cutting for even non-experts. Twist drill bits are probably the most commonly used drill bit, usually for general and non-expert drilling applications. The greatest advantage of the step is its diameter maneuvering feature, making for a smoother and neater cut. The configuration of the step bit makes them most suitable for cutting soft materials and metals. Therefore, the step bit is common among construction workers and metal sheet benders. The conical structure of the step bit makes it suitable for cutting wider ranges of holes. 2.1 Step bit.Ī step drill bit is a drill bit with a conical profile. Summary Section 2: Drill bit types for metal.īecause different drill types are suitable for different metals, you must understand the types of drill bits and their application to different materials.6.5 How do I remove a broken drill bit from metal?.6.4 Do I need to clean drill bits after each use?.6.3 How can I sharpen my drill bits for metal?.6.2 How can you drill through thick metal?.6.1 Is a cobalt or titanium drill a bit better?.Section 6: FAQ: About Your New Drill Bits for Metal.Section 5: Tips for Using Drill Bits for Metal.Section 4: How to Tell If a Drill Bit Is for Metal?.3.2.4 Titanium-aluminum-nitride (TiAlN)/ Aluminum-titanium-nitride (AlTiN) coated.3.2.2 Black oxide/ Black and gold oxide.Section 3: What to Consider When Choosing the Best Drill Bits for Metal?.You will be able to tell different metal drill bits and which is best to give the highest productivity for your project. This article will discuss the different metal drill bits and their applications for various purposes. Hence, there are several tips you must consider for your drilling projects. These drill bits vary by size, shape, and drill point angles. ![]() However, this is not easy as several metal drill bits exist. Choosing the best metal drill bits can be a game-changer for your project.
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