![]() ![]() Whereas, cobalt drill bits have a uniform concentration of cobalt throughout, making them harder. While titanium is a pretty hard material, titanium drill bits are only coated with a thin layer of titanium nitride, which erodes quickly. Out of the three, cobalt drill bits are the hardest. Compared to cobalt bits, titanium bits are nowhere near it in strength, toughness, and durability.īlack Oxide Vs Titanium Vs Cobalt: Differences 1. While titanium drill bits have more or less the same uses as black oxide, the latter is much cheaper. In addition to being non-corrosive, durable, and fast like titanium bits, cobalt and black oxide bits can be re-sharpened. Also, cobalt bits are quite expensive, so it is not advised to buy it for DIYs or hobbies.Ĭompared to titanium drill bits, both black oxide and cobalt drill bits are better. Their high heat resistance and ability to cut through hard metals make them ideal for specialist work. On the other hand, cobalt drill bits are best for professional work. You must keep in mind your needs and requirements very specifically, then only you can decide which of the types mentioned above is best for you.Īfter conducting in-depth research and tests, we have concluded that black oxide drill bits are best suited for amateurs, as they serve for all general purposes, can work on a vast array of materials, and are easily affordable. Black Oxide Vs Titanium Vs Cobalt: OverviewĪmong the three best variants of drill bits: black oxide, titanium, and cobalt drill bits, it can get pretty confusing to choose one.Black Oxide Vs Titanium Vs Cobalt: Features And Technical Specifications.Black Oxide Vs Titanium Vs Cobalt: Similarities.Black Oxide Vs Titanium Vs Cobalt: Differences.Black Oxide Vs Titanium Vs Cobalt: Comparison Chart.
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