#MILWAUKEE DRILL BITS FOR STAINLESS STEEL PC#
You can get any of the three new Milwaukee Cobalt Step Bits individually, or in a 3 PC set providing you with all sizes. Laser-engraved reference marks: Easily stop on any hole size 3-Flat secure-grip shanks reduce bit slippage in the chuck.The Rapid Strike Tip provides fast and accurate starts.Smaller steps for the smoothest drilling experience.
Elongated dual-flute for best heat management.Up to 15X Life in Stainless Steel & Over 1000 Holes in Mild Steel.Finally, these Cobalt Set Bits are recommended for up to 14 gauge mild and stainless steel. We’re starting to see that a lot, and it really makes it easy to make sure you’ve got the size you need-as well as where to stop drilling. We’re always happy to answer any questions you might have, and give you the benefit of our experience to ensure you have the right tools to do the best job.We like the Laser engraving right on the flutes of these bits. Barrett we’ve been supplying the public and the trade with high-quality tools since 1975. If you’re unsure of the equipment you need, then speak to us. drilling holes into thin materials such as stainless steel or sheet metal. Using the correct drilling technique improves the lifespan of any drill bit. At Lowes, you can choose from stand-alone DEWALT tools or opt for a set like. Even the hardest wearing materials can become blunted or dulled after a period of hard work. HSS and cobalt drills need to be cared for and maintained to ensure they deliver consistent performance. Designed with a variable Helix with an aggressive 35. For less intensive operations, like drilling through wood, plastic or light metals, an HSS drill bit is perfect. Milwaukee SHOCKWAVE Impact Duty titanium drill bits with RED HELIX are engineered for impacts and drills. Cobalt bits aren’t suitable for general applications. The strength of cobalt means that drill bits are better suited to the tough challenge of cutting through steel. Each of these has its strengths and weaknesses which you should be aware of before buying. You will find cobalt drill bits stocked alongside other popular choices, including titanium coated, titanium nitride and tungsten carbide bits. It’s crucial for the safety of your tools and yourself that you use the right bit for the job. If your cobalt drill bits aren’t cared for properly or are dropped, they can break – which can prove costly. Like other HSS bits, they are corrosion-resistant, which means they should retain their condition in all storage and usage conditions they’re likely to experience. The cutting edge on a good quality cobalt bit should last for longer than a standard HSS bit. They are also able to cut through weld seams. Cobalt bits are able to cut through the most hardened metals, including bronze, cast iron, stainless steel and titanium. They are most often used to cut through hardened and abrasive materials. The ability to withstand heat means that cobalt bits perform for long periods without cooling or the need for cutting fluid. They can be operated at much higher speeds than a standard HSS drill bit. By combining a small amount of cobalt with another alloy, the results are incredible.Ĭobalt drill bits are incredibly strong. Cobalt has a melting point of 1495☌ and a boiling point of 2927☌, which makes it perfect for use at high temperatures. What are cobalt drill bits?Ĭobalt bits are a combination of steel (or another alloy) mixed with a small percentage of cobalt, typically between 5 – 7%. The MILWAUKEE 4 Cobalt Step Drill Bits are engineered to deliver up to 15X the life in stainless compared to current solutions and up to 1000 holes in. If you’re using HSS drill bits for long periods or at high RPMs, you may need to use cutting fluid to keep the bit cool. Over time, HSS drill bits can become blunt and need to be sharpened, which demands specialist tools that aren’t always available. They’re safe to operate at high speeds (RPM) and provide long-lasting performance – as long as they are maintained. HSS drill bits are capable of safely drilling through hardwood, some metals and plastic. The large concentrations of chrome and nickel in stainless steel ensure that HSS bits are super strong and durable. HSS bits are hardwearing and heat resistant. In this article we describe the difference between High-Speed Steel (HSS) and cobalt drill bits, their strengths and weaknesses, and when you should use them. When it comes to drilling, selecting the right tool for the job is crucial. Sturdy, hardwearing and robust, modern metal drill bits can cut through the toughest materials with no trouble. The Difference Between HSS and Cobalt Drill Bits
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