A: You should always use cutting oil or a high-quality lubricant when drilling metals. The round container has 29 drill bits arranged in a circular pattern according to size, in 1/16-inch to ½-inch by 1/64-inch increments. It also prevents heat buildup and sparks, which often happens with metal-to-metal contact. DEWALT is a multinational manufacturer of power tools and hand tools. Things I Like About This Product: The kit has a good range of sizes, so drilling holes of the right size will not be a problem. These DEWALT drill bits are designed to offer great performance along with maximum speed. Typically, cobalt drill bit sets are capable of working effectively on hard materials such as stainless steel and titanium. Consider trying out the Bosch Cobalt Metal Drill Bit, which is good for drilling into abrasive metal like cast iron. These Drill Bits are not COATED, This is the real McCoy, and there isn't anything better, Period! Even though cobalt drill bits are designed to bore through wood, plastics, and other softer material, we recommend that you don’t use it solely for that purpose. The tip may snap, sparks could form, and a lot more could happen. It also has a few subsidiary engineering companies under its umbrella, including Bosch Rexroth, ETAS, and Dremel. Cobalt drill bits are HSS bits made of a steel alloy with up to 8% cobalt. Milwaukee 1/2 in. Cobalt drill bits are among the best tools that ensure that all the handymen have an easy time on their job. The three main ways to assess a product’s quality are looking at the reputation of the brand that makes it, looking at the type and percentage of cobalt contained within the bit, and going thoroughly through positive, negative, and neutral reviews. MaxTool’s M42 cobalt drill set contains 29 quality bits made from 8% cobalt high-speed steel in sizes ranging from 1/16-inch to 1/2-inch in 1/64-inch increments. Don't buy a knife for a gun fight. The Bosch 21-piece M42 drill bit set includes, as its name suggests, bits made from M42 Cobalt alloy that contains 8% cobalt. Read our buying guide for some of the best cobalt drill bits on the market today. What Is a Right-Angle Drill and When Is It Used? Also, the end of the drill bit isn’t reinforced with a side notch, and for that reason, it may feel unstable when drilling through rough or tough surfaces. While their name suggests they are completely made from cobalt, that is not the case. Find My Store. They would certainly work, but they wouldn’t have an opportunity to show their full potential. From its headquarters in Miami, Florida, the company makes some of the best drill bits, countersinks, counterbores, end mills, and reamers among other products. amoolo Cobalt Drill Bit Set (13 pcs), M35 HSS Metal Drill Bits for Steel, Stainless Steel, Metal and Cast Iron,1/16"-1/4". Manufacturers usually add between 5 and 7% cobalt, but this varies by brand. Warrior Drill Bits. Not all types of metals are the same, they have different grades and have different sizes, tips, features. Before jumping into the individual reviews of the picks, here’s  a quick list of the top three: This Irwin drill bit set contains 29 bits made from industrial grade cobalt steel. There are also separate drill bit sets for different types of drilling work. Adding cobalt to the base alloy makes them incredibly hard and durable. The drill bits come inside a durable case with an index. £59.99 £ 59. All of its products are made in the United States, and it specializes in the design of outdoor tools, hand tools, storage tools, and power tools. 3pc HSCO Titanium Spot Weld Drill Bit Cutter Flat Shaft 1/4" 5/16" 3/8" Cobalt. Milwaukee 2853-20 Review: A Good Impact Driver? $32.97. It is the sturdiest and most versatile, so it comes in handy during different operations. A higher value of cobalt increases the unit’s resistance to heat and makes a sturdier structure. You should, therefore, remember to wear protective gear when drilling. The drill bits conform to American National Standards Institute (ANSI) standards. Their no-slip shanks let you chuck right up to them without worrying about breakage. If you want a cobalt drill bit set that comes in a convenient carrying container with a size index, resists heat buildup, and includes a lifetime warranty, then consider our top pick, the Drill America Cobalt Drill Bit Set. The case is quite useful because it folds and locks with a slide, a feature that’s standard on DeWalt drill bit sets. The tips help increase efficiency by allowing to drill with less force and eliminating “walking” across the work surface. Milwaukee 3/8 in. However, the price also tends to reflect the set’s overall usability. These bits are highly durable and heat resistant. Item #743985. They did very well in steel and kept a sharp edge after drilling a large number of holes. However, if I had to choose one that wins on this front, it would be the “premium option,” MaxTool’s M42 cobalt drill set. Best Metal Drill Bit Set Irwin 29-piece Cobalt M-42 Metal Index Drill Bit Set FREE Shipping on your first order shipped by Amazon. Compared to a conventional 118-degree tip, these drills won’t go “walking” on you. Cobalt drill bits are not for everyone, after all, they are just one of the many types of drill bits. COMOWARE Cobalt Drill Bit Set- 25Pcs M35 HSS Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1mm - 13mm. The company makes household appliances, power tools, and automotive accessories. The bits are also gold-coated to increase their resistance to rust, wear, and scratches. Drill Hog backs its bits with a lifetime warranty, so you can register your set on their website and get free replacement bits if yours break. $14.99$14.99 ($2.34/in) $15.99$15.99. A set of 29 cobalt drill bits offering good cost-performance. The strength produced by cobalt drill bits could be overkill when used on a soft material, and you may damage the drill bit if you only use it for such projects. However, if you want a simple and affordable cobalt drill set for your DIY projects, then consider the DEWALT Cobalt Drill Bit Set. The drill bits have a gold-oxide finish that enhances the metal’s resistance to wear, scratches, and heat. The sizes range from 1/16 to 3/8 inches, and a sliding rubber lock prevents the drill bits from falling off before unboxing the unit. Cobalt drill bits are many people’s favorite because they are extremely durable thus will assure you a long time of service when you buy them. © document.write(new Date().getFullYear()) Brookline Media Inc. All Rights Reserved. While in most cases, regular high-speed steel drill bits will do the job just fine, there are some situations in which more strength is required. These drill bits have a gold finish and they are available into different fractional sizes that range from 1/16 inch to … Craftsman is a subsidiary company of Stanley Black & Decker Inc. that was introduced into the power tool industry in 1927. They can bore through the hardest metals. was - $19.02 | 11% OFF. FREE Shipping by Amazon. The percentage of cobalt in the structure should be high for better performance. Cobalt drills can cost from 1.75 to 2.5 times more than normal HSS drills. Generally between 5% and also 8% cobalt is utilized to create a drill bit that is very immune to the temperature levels experienced when drilling through stainless steel and cast iron. However, this set is not made of pure cobalt, and the drill bits may snap under intense pressure. As long as the bit is rotated slowly, cutting oil is used, and the angle is right, these bits will cut through even the hardest steel smoothly. These drill bits have a high-drilling capacity and can drill through thick metals like stainless steel. Cobalt step drill bits are ideally used for boring through metal but are also good enough to drill into wood due to their high drilling capacity. Yes, you can, but it will be an overkill. Find out which Chicago Latrobe drill bits matches you. Moreover, counterbore drill bits are made of cobalt steel that’s not coated with anything for high-speed drilling. Cordless vs. Corded Circular Saw: Which One Should You Get? Do not wear gloves or put your hands too close to the sharpening unit as they may be caught up in the sharpening device. There are plenty of benefits that make the cobalt drill bit shine over most bits. They are typically coated with a metal oxide to increase their heat resistance capabilities. This Milwaukee drill bit set contains 29 brad point bits that are specifically made for drilling in extremely hard and thick metals like cast iron and stainless steel. 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