![]() ![]() Also, don’t expect to cut through metal other than softer steels under 1/8-inch in thickness. The downsides are that they don’t stay sharp as long as some of the other twist bit options out there and you lose the benefits as the coating wears off the cutting edges. It’s a good general-purpose design that’s suitable for wood, softer metal, plastics, and composites that doesn’t cost an arm and a leg. What are the Best Drill Bits Made of? Black Oxide (Coating)īlack oxide is a coating over the steel drill bit to add corrosion resistance and reduce friction between the bit and workpiece. Each kit includes common sizes you’ll likely need on the job. They range in price from $89 to around $170 depending on the kit. Taking a step up from black oxide, they use a titanium coating and have a hex shank in case you want to use your impact driver. Milwaukee also targets walk-free starts and fast drilling with their Shockwave step bits. Shop individual bits from $24.99 to $64.99 Covering 1/2″ to 1-3/8″, retail prices run $24.99 to $64.99 for individual bits. However, the 5-piece set covers the most common sizes you may need without turning to a rotary hammer.ĭiablo’s step bits start with a 132º tip that prevents walking and drills incredibly fast in our testing. The cost may leave you buying just the specific sizes you need as needed-and that makes sense. These bits run considerably more than black oxide, titanium, or even cobalt bits on average. We also frequently pop them into impact drivers to quickly get through various materials. We use these when drilling through combinations of wood, metal, tile, composites, and-of course-concrete. The carbide tips on the Daredevil Multi-Purpose Drill Bits are tough enough to cut through almost any material. Just like SDS-plus and SDS-max bits, these use tungsten carbide cutting tips. For that, our Pros consistently turn to Bosch Daredevil Multi-Purpose Drill Bits. When you start looking for the best concrete drill bits and the best masonry drill bits, the need for handling multiple materials arises. Hammer drills, however, more than suffice for drilling smaller diameter holes. SDS-Plus and SDS-Max rotary hammers do best for drilling on concrete and masonry materials. Get this excellent kit for $59.99 Best Drill Bits for Steel Milwaukee Red Helix Cobalt Drill Bits It also comes in a handy metal index case. This kit works great for having every conceivable size from #1 to #60 wire gauges and everything in between. We also wanted to include the excellent Bosch 60-piece Black Oxide Index Drill Bit Set. You can find these online for just $22.99 Finally, DeWalt puts 3-flat spots on the shank to better lock into drill chucks. ![]() The coating doesn’t do much to reduce heat or friction, but it does keep the bits from rusting as easily. The 135° Split-point tip resists walking when you drill. Bosch 60pc Black Oxide Index Drill Bit Set (BL0060)įor a basic drill bit set, you get some decent features in DeWalt’s DW1177 kit.DeWalt 20-piece Black Oxide Drill Bit Set (DW1177).You can get better bits, but we like this for Pros and DIYers on a budget. These are the best drill bits for the money if you stay away from thick metal. Their 135° tips help reduce walking at the start of your hole. Whether you’re in a pinch or just need to replace a set, Ryobi’s Black Oxide Drill Bits are less than $15 for a set with 21 pieces that cover 1/16″ to 1/2″.
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