Best Drill Bits for Hardened Steel

Metals that are hardened are used in various industries for a wide variety of applications. Forming these metals can be done by a variety of methods including the use of a drill press. The drill press is the usual choice for these applications because the drilling process is faster when performed from a drill press. You need to ensure that you use the right drill bits when you are drilling into hardened steel so that you don’t have a problem with your drilling.

Drill bits can be looked at in two different ways; what they do and how they work. This blog will look at different aspects of drill bits and why they are needed. We will also look at the different types of drill bits and their applications.

IRWIN Drill Bit Set, Cobalt, 15-Piece

Irwin offers a huge variety of drilling products, including drills, drill drivers, bits, adapters, and accessories to keep your tool collection fresh and ready to use. The set includes a 6”, 4.5-speed hammer drill with rotary chuck for drilling and driving screws. A 7” adjustable extension handle provides the user with flexibility in reaching areas that may be difficult to access. Features a 1” drive motor and 6” barrel, which makes this bit set great for both woodworking and metalworking projects. Irwin manufactures high quality drill bit sets. Our cobalt bits are top of the line for drilling. They are also very popular for drilling holes in plastic and wood. The size of the bit is 3/8” to 5/8”. The package contains 15 pieces and the material is cobalt.

This drill set includes a 0.75″ and 1″ twist drill and two countersink drill bits (0.25″, 0.75″, and 1″). Made of hardened steel for exceptional durability, these drill bits are ideal for woodworking projects such as furniture, cabinetry, flooring, and more. All tools are dishwasher safe, making them simple to maintain. Use this drill set in place of the single bits found in other kits, and you’ll be able to make even larger holes with ease.

The Cobalt® series Irwin Drill Bits are engineered specifically for heavy duty drilling in cold temperatures. Each Cobalt bit has a carbide tip for improved penetration in hard, frozen ground. The cobalt bit shanks provide a solid support base for heavy weight drilling. Each piece features a hardened steel tip for longevity and ease of replacement. Includes 15 pieces.

The Irwin Drill Bit Set is a must have for any woodworker. These are quality woodworking tools. They have been used and tested by many professional woodworkers to ensure maximum function and durability. They are guaranteed to be free from defects in material and craftsmanship for 1 year from date of purchase. Irwin drill bits are designed for a variety of wood working applications. Crafted from premium materials and designed to hold up under heavy loads, these tools are manufactured to exacting tolerances and feature outstanding strength and durability.

  • Easy to use.
  • Heavy duty.
  • Great for cold weather.
  • Larger size.

IRWIN Drill Bit Set, Cobalt, Jobber

IRWIN Drill Bit Set, Cobalt, Jobber, Fractional, 21-Piece (63221). Ideal for DIY, plumbing, car repair and general home maintenance. Our quality Drill bits are a must-have for every mechanic or handyman! Irwin Tools were founded in 1929 by Edward C. Irwin and today are among the world’s leading manufacturers of hand and power tools, offering a full range of drill bits, screwdrivers, saw blades, chisels, sanders, staplers, impact drivers and fasteners. With over 70 years’ experience and over 200 patents, they are committed to creating high-quality tools to help you save time and improve your skills.

Irwin has been manufacturing professional hand tools since 1928, with over 70 years of experience. Each of these products have been carefully designed, tested and rigorously certified by a team of professionals. The Irwin brand is synonymous with quality, durability and performance. They’re all backed by our industry-leading warranty that promises a replacement or refund in the event of any defect. With Irwin’s Jobber Set you’ll be able to get to your job quickly and easily. The Jobber Set contains three sizes: 1/2″, 3/8″, and 5/8″. This set is made of high quality steel that is easy to use and comes complete with a carrying pouch.

The Irwin® Drill Bit Set, Cobalt is designed specifically to get the job done. The unique design of the set allows for easier removal and replacement of the bits, resulting in less stress on your hands and wrists. This bit set comes in a range of sizes and a variety of shapes.

IRWIN Drill Bit Set, Cobalt, Jobber, Fractional, 21-Piece (63221) This set is the perfect complement to any drill set. These bits offer a wide range of cutting styles and sizes to maximize the efficiency of your drilling. Whether you’re using for a DIY project or a job that requires precise drilling, these bits are sure to help you get the job done faster.

  • Easy to remove and replace
  • Efficient cutting and drilling
  • Long lasting and strong
  • tips of the bits are small

Drill America – DWD29J-CO-PC 29 Piece

The DWD29J-CO-PC Cobalt Series features a chrome plated finish. This drill set is recommended for drilling, counter boring, and driving holes in stainless steel. This DWD29J-CO-PC Cobalt Series set includes cobalt drill bits for use with both metric and imperial measurements. This drill bit set includes a set of three sizes and three speeds.

Drill America – DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16″ – 1/2″ X 64ths), DWDCO Series. Drill America’s DWD29J-CO-PC Cobalt Drill Bit Set comes with over 30 bits to complete your drilling tasks, and all bits are available in the 1/16″, 1/8″, 3/16″, 1/4″, 5/16″, and 1/2″ sizes. This set is ideal for the hobbyist or professional alike who requires a quality drill bit set for home use. A great set for the budget conscious and an essential tool for any craftsman, this tool is designed to increase your drilling efficiency and speed, as well as increasing the length of your tool life.

The DWD29J-CO-PC is a perfect fit for all DWD Drill Driver owners – they offer a wide range of options that are designed to help the user gain efficiency by providing the proper balance between holding power and ease of use. Each drill bit is precision engineered to perform efficiently. They are forged with special materials and tested to ensure durability. All DWD drill bits are designed with the most advanced technology. The PC Series combines high torque with durability. They are specially hardened and have exceptional wear resistance. These bits are manufactured to meet or exceed ANSI and ASTM specifications.

The DWDCO series includes a variety of drills and drivers to suit all kinds of projects. Whether you’re using the drill for fastening wood, stone, or concrete, or drilling for metal or plastic, you’ll find the right size and type of bit for the job with the Cobalt Drill Bit Set.

  • High quality
  • Great for home use
  • Fits any drill
  • Pricey

DEWALT DW1263 14-Piece Cobalt

This set of 3.5 inch cobalt pilot point bits is designed to fit DeWalt models DW125-14-3 and DW1262-3 and DW1263-3. These are high quality, well-made bits that will give years of service. Cobalt is hard enough to cut through most metals. These bits are coated with corrosion resistance coatings that prevent rusting and staining. Also included in this set is a DeWalt DWP-1 1/2 in. drill press stand and a DeWalt T-30 drill press motor.

Drill bits are the main driving force behind any DIY project. This set contains 4 different drill bits that will have you drilling like a pro. This set comes with all of the necessary tools to start building that new project or finish a broken one. This kit includes a combination drill bit and driver bit combo, Phillips head and pilot point drill bits, and finally a screwdriver bit. All of these bits are high quality, durable and long lasting.

Whether you’re starting your first home improvement project or finishing up that project you started over a year ago, this set is the ideal investment. This set contains 2 Phillips head bits, 1 driver bit, 1 screwdriver bit and 1 pilot point bit. These bits are suitable for drilling holes of various sizes including: 12mm/0.5″, 16mm/0.75″, 16mm/0.6″, 18mm/0.8″, 20mm/1″, 24mm/1″, 25mm/1.25″, and 33mm/1.25″. Use this set together with your Dewalt drivers, and you can get almost all of the necessary bits to complete your projects.

The DEWALT DW1263 14-Piece Cobalt Pilot Point Drill Bit Set includes 7 drill bits. The set includes 1 1/2″ & 3/8″ bits for light-duty applications; 4 1/2″ & 5/8″ bits for medium-duty applications; 2 3/4″ bits for heavy-duty applications. Each bit is corrosion resistant, designed to withstand drilling through metal and concrete. The bits are manufactured to maximize durability and to provide a clean and accurate hole. This set includes a storage case for storage and protection. This set contains cobalt bits.

  • Coated to resist corrosion
  • Long lasting bits
  • Heavy-duty bits
  • Expensive

DEWALT Drill Bit Set, Titanium, 14-Piece

Whether you’re tackling DIY projects around the house or working on an electrical project, this DEWALT Drill Bit Set will come in handy. This set is designed to make quick work of your most common drill job, like drilling holes and screws. This set includes 1/2-inch, 3/8-inch, and 5/8-inch titanium drill bits for the toughest DIY projects. This DEWALT Drill Bit set, Titanium, 14-piece includes three 1/2 inch, three 3/4 inch and 10 1/2 inch bits. They work great in your drill for tasks such as boring holes in masonry, metal and plastic. Use these to finish drywall, paint your home, cut tile and wood, and much more. Made from titanium, these bits are lightweight and will not break down.

Dewalt Drill Bit Set, 14-Piece (DW1354) (Yellow), DEWALT® drills are easy to use, provide precise cutting speeds, and can handle a wide range of applications. Each drill set includes a full complement of blades (except the 3/4-in. drill bit) that is easy to replace when dull. The included wrench provides a secure grip to remove and install the blades. For maximum drilling performance, they are fitted with a carbide chisel tip.

A hard plastic guard covers the chuck, to protect fingers from being pinched when changing a blade. The drill sets also feature a reversible center spindle, which allows the user to easily reverse the drill’s direction of rotation. All drills include an adjustable clutch that is tightened and loosened using the provided wrench. Also included with each drill is a 2-year warranty and instructional manual.

Get ready to get dirty with the 14-piece titanium drill bit set from Dewalt. This all-metal kit includes two drivers, a chuck driver, two hex shank drivers, two hex shank drivers, and two hex drivers. Plus, each driver has an anti-spatter coating that keeps your work area clean and dry. So, stop wasting time and put those gloves on before starting your job.

  • Lightweight
  • Metal
  • Sturdy
  • 3/4″ bits are of plastic

HYCLAT 5pcs Titanium Step Drill Bit

This 5pcs titanium step drill bit set is suitable for different hole sizes and shapes. The cutting diameter is between 3-5mm. It can be used on aluminum, wood, glass, etc. This set is made of high-speed metal steel material, which is good for the use of low-price. It has high speed, durable performance with low impact. This step drill bit sets is the top quality material to help you finish your project fast. Also the steel material is very long lasting. So you could buy the high-quality tool for long time without worrying about the durability.

Titanium alloy is very hard, but also the lightest, hardest and the smoothest. Its excellent resistance to heat and corrosion make it ideal material for dental applications. As far as drill bit quality goes, it is very similar to stainless steel. The cobalt steel has better toughness, but less resistance to heat and less wear resistance than titanium. So depending on your needs, you should use cobalt or titanium to suit your application.

Step drilling is the easiest way to install window trim and fascia molding to your windows. Simply insert the drill bit into the hole, remove and replace the step drill, then push the trim or molding into place. There’s no need for special tools or complicated techniques. This set of 5 titanium step drill bits will help save time and money with their precise drilling action.

They’re made of high-speed metal steel to make drilling fast and effective, with a 1 3/4 inch shank for easy drilling. We are the leader in titanium and cobalt steel drill bit technology, which is used by leading brands around the world. With over 50 years of experience developing drill bit technology, HYCLAT provides the ultimate cutting edge tool for your specific drilling application.

  • Durable
  • Accurate
  • Pricey


The best drill bits for hardened steel are the titanium coated drill bit set, the cobalt drill bit set and the twist drill bit set. All of these drill bits are the best drill bits for hardened steel because they are very durable and have a high-speed cutting action. They are also all reasonably priced, so you don’t have to worry about breaking the bank to own them. We hope this blog post has been helpful to you and that you can find the best drill bits for hardened steel for your projects. If you have any questions about drill bits, please contact us anytime.

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