12/20/2023 0 Comments Are cobalt drill bits good for metal![]() ![]() ![]() The reason why cobalt drills outlast their high-speed steel counterparts is because of their hardness which allows them to hold an edge longer and last longer while cutting through tough materials. These are more expensive than HSS ones but also more durable when used on metals. This means you will need something else if your application requires high longevity out of your drill bits since even though HSS bits are great, they aren’t the best drill bits for metal. The downside of using an uncoated HSS bit on metals would be its tendency to wear down easily due to rust exposure after constant contact with water molecules in the air. Another reason why these types of drills should be used on metals is that they leave a clean hole that’s free from chips, making it easier to thread wire or bolts into them afterward. Manufacturers usually coat HSS bits with chromium or titanium to decrease the friction and increase the hardness of the steel, allowing them to cut through tough materials (think of stainless steel) without dulling quickly. ![]() These are great for drilling through metal. Because these things dull quickly on metal, keep a few spares handy in case you break or strip one while working. HSS drill bits tend to be sharpest when they come right out of the package (so don’t toss them after one use). All these quality bits will stay protected in this handy storage case that’s perfect for drilling both indoors and light outdoor work!īy far the most popular choice for drilling metals. Good for thin metal sheets or thick wood Ģ9 pieces of the durable Drill America set for professionals or anyone looking to get a drilling project done in half the time! They hold up against tough conditions without rust through an oxidation finish that will last long after your tasks are completed.Final thoughts DEWALT Titanium Drill Bit Set – the Editor’s choice!.Useful Video: Makita titanium drill bit kit unboxing. ![]()
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