![]() You can be confident that you get great results with the money you pay for. It can do what conventional drill bits cannot. If you are set to do some metalworking projects, it would do you well to have a number of these bits at your disposal. Considering that these bits can create holes in varying sizes, they are a more practical choice of tool to have in your workshop. You can even do this all day long and you won’t notice a change in its sharpness and precision. Moreover, it can drill into hardened steel without a problem. They are best used at relatively low speed with lubricants. ![]() This means they are more durable and last longer than other types. ![]() Cobalt drill bits have higher heat resistance and Rockwell hardness. Tungsten, molybdenum, and chromium have their strengths but not equal to cobalt. Step drill bits each create perfectly round holes in a range of sizes without requiring multiple bits to be swapped out in the drill. This M35 cobalt step drill bit, for example, is classified better than drill bits that are made with other combinations. If that already changes your mind about your drill bit preferences, you should also know more about the compounds and treatment process these tools undergo. Since the cobalt is blended into the steel, it doesn’t wear away like a titanium or black oxide coating. You can also find these bits with a 5 cobalt blend (M35). Unlike conventional drill bits that create holes in a single size from the periphery all the way through the material, a step drill bit can make larger holes without the risk of damaging the surface. M35 vs M42 Cobalt (Steel Blend) Our best Cobalt drill bits for metal drilling are made from an alloy of 8 cobalt (M42). The conical shape is for drilling small then gradually larger holes. The Cobalt Step Drills are recommended for up to 14-gauge material. 1/2' Cobalt Step Bit (1) 7/8' Cobalt Step Bit (3) 8 Cobalt Step Bit. These Cobalt Step Drill Bits can drill through a variety of thickness, recommended up to 14ga. Step Bits Drill/Tap Bits Carbide Tipped Hole Cutters Sheet Metal Cutters Bi-Metal Hole Saws. The MILWAUKEE 9 Cobalt Step Drill Bits are engineered to deliver up to 15X the life in stainless compared to current solutions and up to 20X the life in mild steel, making this the best step bit on the market. These bits are perfect for drilling up to 1 1/8 holes in instrument or control panels. Metal Cutting Step Bits Power Tool Accessories. Step drills are typically used to puncture holes on thinner materials like sheet metal. The Milwaukee 3-Piece Cobalt Step Drill Bit Set is all you need to drill 1/8 through 1 1/8 diameter holes in stainless steel or mild steel sheet metal. But if you have not, you are in for an eye-opening surprise. If you have had the experience of drilling using cobalt drill bit, you would know what we are talking about. The company continues to lead and drive innovation in the drill bit category by delivering the longest-lasting, most versatile, and fastest-drilling accessories available.Product Description M35 COBALT PRO HEAT TREATED STEP DRILL BITĭrilling through all types of materials will never be the same with an M35 Cobalt Pro heat-treated step drill bit. Milwaukee Tool is committed to providing users with accessory solutions that save time and increase productivity on the jobsite. For optimal use, the bits are recommended for mild and stainless steel up to 14ga thickness. The bits provide best-in-class performance when used on low speeds and with cutting fluid for stainless steel and high speeds for mild steel. The Laser Engraved reference marks allow users to easily stop on any size. ![]() Optimized for Cordless Drills, the 3-Flat Secure-Grip™ reduces bit slippage. M35 vs M42 Cobalt (Steel Blend) Our best Cobalt drill bits for metal drilling are made from an alloy of 8 cobalt (M42). The Rapid Strike™ Tip delivers up to 2X faster holes in stainless. The Cobalt Step Bits feature an elongated dual flute offering, best heat management, and smaller steps to provide the smoothest drilling experience. 3Pcs/lot HSS Steel Large Step Cone Titanium Coated Metal Drill Bit Cut Tool Set Hole Cutter 4-12/20/32mm 3Pcs/lot HSS Steel Large Step Cone Titanium Coated. Made in the USA, the Milwaukee® Cobalt Step Drill Bits are designed from the ground up to deliver unmatched performance with up to 15X life in stainless steel and over 1,000 holes in mild steel. STROTON Cobalt Drill Bit Set (1/16-1/4 Inch, 13PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood. Milwaukee Tool is now a full solution provider for step drill bits with the introduction of their new Cobalt Step Bits.
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