Instead, they have a metal core and a titanium coating. Two of the best materials you can turn to are cobalt and titanium. Titanium Drill Bit is a composition of high-speed steel along with Titanium. However, these bits do not contain any cobalt. You can use titanium bits on harder materials like cast iron, but over time you’ll notice the advantage of cobalt drill bits. Drill bits can also be made of carbide. This is a problem when you’re drilling metal since metal-on-metal can get very hot, very fast. They’re very tough bits, making them suitable when others just won’t do. Cobalt Drill Bits. However, this coating does wear down over time. They are very situational, and your choice will largely depend on what projects you’re doing. Hopefully by the end you’ll know exactly when to use each to get the most out of your next DIY project. Popular for their tough design, cobalt drill bits are formed by alloying 5-8% cobalt with high-speed steel. However, they don’t last as long because the coating comes off over time. These Drill Bits is unlike any cobalt drill bit and it composes of completely steel alloy with just a coating of Titanium. Unlike titanium drill bits, cobalt drill bits are not intended for … Titanium Drill Bits. Steel melts at around 2500 degrees F (1370 C), while cobalt melts around 2723 degrees F (1495 C). Knowing these will definitely save you some time in choosing the right drill bits for your next project. With that said, titanium bits are best for wood and softer metals. Sliding vs Non-Sliding Miter Saw – Which Is Best for Me? High-alloy steel: Choose a titanium nitride-coated or cobalt bit with a 135-degree flute. You need to care for and store them properly, and be sure not to drop them. They are also made to drill through tougher materials, like metal. Cobalt has many advantages that will be useful in the work. However, there are subtle differences between them. Cobalt and titanium drill bits have a few things in common and in most cases, are used for similar applications. The Pros and Cons of Cobalt Bits This is the hardest and most fragile material used in bit production, and bits made from it should not be used in hand drills. One is not necessarily better than all the others, but they each have their pros and cons. CO-Z HSS Cobalt Drill Bits Set, Multiple Holes Step. Just like the cobalt drill bit, this drill bit isn’t made out of titanium only. Black Oxide Vs Titanium Vs Cobalt: Differences 1. However there are plenty of pros and cons of cobalt vs. titanium drill bits. This coating protects the metal core from the heat and dissipates it along the surface. Titanium drill bits are typically made from HHS steel with a titanium coating. Although I’d always advise using coolant when drilling metal, it’ll always make them last longer. Harder materials wear the bit down faster by removing the coating faster. The 3 types are: Using a titanium coating increases surface hardness of the cutting edge as well as reducing friction and adding corrosion protection. They are less brittle then carbide tools but more brittle then HSS and you may break them if you’re not careful enough. I have a great passion for writing about everything related to tools, home improvement, and DIY. Cobalt bits have no coating at all, which differs from titanium drill bits. Less expensive than cobalt drill bits – good for home DIYers. To begin with, cobalt has a high resistance to massive heat. As an Amazon Associate I earn from qualifying purchases. Check Cobalt bits Price and Availability Cobalt vs HSS drill bits – application HSS drill bits are good for drilling in materials such as plastic, wood, and mild steel. Titanium drill bits are usually cheaper than cobalt bits. So which is better, cobalt or titanium? All in all, both of these bits dissipate heat well and can handle tougher materials. Once again, neither of these drill bits is better than the other. Cobalt drill bits can be sharpened many times over and far outlast a titanium coated drill. As mentioned, the main advantage of cobalt bits over something like HSS (high speed steel) is the improved heat resistance. The titanium alloy coating protects the steel core and keeps the bit sharper for longer. They’re most commonly used to cut through hardened materials that steel alone would struggle with. Drill bits come in a wide range of shapes and sizes, ... Cobalt (HSCO) is considered an upgrade from HSS because it includes 5-8% Cobalt blended into the base material. That said, they’re still more versatile than a standard HSS drill bit. How to Use a Miter Saw – Everything You Need to Know to Get Started. Over the life of the bit, however, the extra initial cost of the cobalt drill bit evens out. The downside of this type of drill bit is that the cobalt and steel alloy coating makes it a bit brittle. While you can cobalt bits in softer materials, I wouldn’t recommend using on things such as wood or plastic. However, their small differences is what makes each of them a significant impact of different projects. Cobalt is the pricier of the two. You can sharpen cobalt bits many times before they become unusable. While their performance is fairly similar, there are applications where one is better than the other. Titanium drill bits are not entirely made with titanium. The titanium drill bit is made of steel with a coating of titanium nitride or titanium carbonitride. Cobalt drill bits are designed for cutting through all sorts of metal, including stainless steel and cast iron. This doesn’t really have anything to do with performance, but with price. Don’t last as long as cobalt if used regularly. Various titanium alloys allow for different uses. Basic Woodworking Tools – Essential Tools for the Budding Woodworker, Your email address will not be published. You’ll definitely get your money’s worth over time. Step drill bits are designed … Despite their primary use for metal, they can also be used for softer materials. By doing simple and easy tasks around your home, you can not only become proficient in skills that will come in handy in life, but you can also save money by avoiding paying someone to perform these tasks for you. And the advantage of titanium over cobalt is the initial price. You can read more about the topic in my article comparing black oxide, cobalt, and titanium drill bits. However, there are a few slight differences that set them apart from their Cobalt cousins – though both do look very similar at first. When it comes to cobalt vs. titanium drill bits, the main advantage is that the cobalt is alloyed into the bit rather than applied as a coating. Cobalt drill bits are a mix of metals plus either 5% cobalt (M35 drill bits) or 8% cobalt (M42 drill bits). Required fields are marked *. Cobalt bits are pretty easy to sharpen. While titanium drill bits wear more slowly, you can sharpen cobalt drill bits again and again. I consider one of the main disadvantages of titanium bits to be the fact that you can’t sharpen them. Cobalt and titanium drill bits are both expensive. After reading through this guide, you should be equipped with enough knowledge to decide whether your next project will benefit from cobalt or titanium drill bits. The downside to cobalt bits is that they tend to cost a bit more than their steel counterparts. What are cobalt drill bits used for? Hopefully this article has helped you narrow down your choice of the best drill bits for your job. Addition of cobalt makes them brittle – be sure to care for them properly. Cobalt Drill Bits. The result is a drill bit capable of withstanding extremely high drilling temperatures. If you need to drill a few holes, a titanium drill bit is likely sufficient. Titanium drill bits are usually coated with titanium nitride or titanium carbonitride, which are gold and bluish-gray in color, … This titanium is essential for preventing overheating, as we discuss below. When I was using the titanium coated bits, I would get little bits of metal flying around but with the cobalt bit, I get nice long spirals if I get the feed rate just right - I don't … A: Cobalt steel drill bits are ideal for use with hard metals, like cast iron or stainless steel, because they can be sharpened and have high heat resistance. While titanium is a pretty hard material, titanium drill bits are only coated with a thin layer of titanium nitride, which erodes quickly. But they last longer, so you’ll save more in the long run. They are just going to last longer and can be used with even the toughest materials. While the differences in material are a significant difference between cobalt and titanium drill bits, in practice, you probably aren’t going to notice a huge difference. However, they are more durable and long-lasting than other options, including titanium. Granted, in the long term you might spend more replacing titanium bits, but it’ll take a while to reach this point. This drill bit is made out of an alloy of titanium nitride and high-speed steel. Cobalt vs. Titanium Drill Bits – Which to get? They are not made of pure cobalt, which we will discuss in-depth shortly. The greater heat resistance means the drill bits will remain sharper for longer. However, cobalt blades are made to dissipate heat. While they’re initially cheaper, you’ll find you have to replace them more regularly than cobalt drill bits. Update Privacy Preferences Which option you choose is going to depend on how much money you have to spend upfront, how often you plan on using the bit, and what material you need to drill. Because of this, you really can’t sharpen the titanium drill bits very much before they become unusable. If you’ve got any other advice to help readers make the right selection, leave a comment below so everyone can benefit from your knowledge. Titanium Drill Bits Titanium drill bits are similar to cobalt drill bits. Hard wood, particularly if it’s full of knots. Learn more. Also, I recommend taking a look at my guide for how to sharpen drill bits. Their better quality materials and ability to be sharpened means they’ll last you a lot longer than a standard HSS drill bit. Cobalt Drill Bit. Because the cobalt is alloyed with the steel rather than just a coating, you don’t risk losing any of the enhanced material properties by sharpening the drill bit. Because of this, they can often save you money in the long run. The cobalt in cobalt drill bits makes up 5-8 percent, while titanium in titanium drill bits makes up the coating only. It contains all the information you might need for a range of types. If you have the funds and the patience to sharpen drill bits by yourself, we recommend going with cobalt drill bits. ... (titanium nitride, gold color) Can be run faster than uncoated drills and … There are also cobalt bits and high-speed bits. You'll also often find me in my workshop working on some new project! There’s little point using an expensive drill bit for soft materials when a cheaper alternative would do the job as well. While titanium drill bits wear more slowly, you can sharpen cobalt drill bits again and again. Best Cobalt Drill Bit Set – Drill Hog. Titanium nitride – high temperature resistance. Also, cobalt has a higher melting point than steel. Can I use cobalt drill bits with wood? The Milwaukee Cobalt Red Helix Drill Bits performed flawlessly. In my spare time, I'm either fishing, playing the guitar, or spending quality time with my beloved wife. If you’ll use them regularly for hard materials, then I’d recommend a good set of cobalt drill bits. Only using them every now and then for at-home jobs it’ll take quite a while to wear down the coating. But this coating will still wear off over time even without sharpening. Titanium drill bits are capable of coping with heat since their titanium coatings enhance the dissipation of heat buildup more effectively compared to most drill bits, but they are quite expensive and don’t have the durability of cobalt bits. Titanium drill bits are also good in metal cutting machines because they can be used to drill very precise holes. Cobalt while titanium in titanium drill bits in the long run are typically made HHS. Thing to consider is that the cobalt also prevents the bit, however, those who drill metal... 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