![]() ![]() To fulfill other drilling requirements, you can also have our drill bit sets to get every type of drill bit you want. This requires a smaller flute which is less likely to snap during use and gives a better impact than HSS drill bits.Īlthough cobalt drill bits are often more expensive than traditional drill bits, they are a good investment if you regularly drill through metal.It is more wear-resistant than HSS and can perform at high temperatures.It has an advantage over high-speed steel as it is effective against hard metals, stainless steel, and cast iron.Cobalt drill bits feature extra strength and durability as they contain 5-8 percent cobalt element.You can use a bench grinder or a belt sander to sharpen drill bits regularly. As the hardness of a cobalt drill bit is consistent throughout the material, it can be sharpened as needed. The most significant advantage of choosing cobalt drill bits over other high-strength drill bits is that they do not get their hardness from a hard alloy coating on the surface. ![]() These contain some amount of cobalt, therefore they are called cobalt drill bits. These bits are made from Solid Cobalt M42 Steel which has a melting point of 2,723 Fahrenheit These bits will drill through the toughest steel like truck. ![]() Some fabricators believe that cobalt drill bits are made of pure cobalt, but it is not so, they are made of a steel alloy with 5 to 8 percent cobalt for cutting various hard metals including stainless steel and cast iron. Cobalt drill bits have almost all of the same properties as HSS drill bits, however, they are more expensive. For precise drilling through wood, you'll need separate wood drill bits. However, they are not made to cut soft materials like wood or plastic. Both variants of this best drill bits for stainless. In addition to metals, they can also cut soft materials. type IK (8 x d / 12 x d) for drilling with integrated cooling. What is Cobalt Drill Bits Used ForĬobalt drill bits are used for cutting hard alloy steel, tool steel, cast iron, and aluminum alloys. They also feature heat resistance, extra durability, strong impact capacity, and high strength. Use these cobalt bits to drill through the hardest materials such as stainless steel and they will still retain their edge. Cobalt drill bits are stronger than HSS drill bits and can easily drill through hard materials such as hardened steel and stainless steel. They retain a sharp, hard edge at high temperatures for the best performance on hard and abrasive material. Today through this article we will know what are cobalt drill bits, what are they used for, and why choose a cobalt drill bit? Cobalt Drill BitsĬobalt drill bits are metal drill bits made from a mixture of high-speed steel and 5-8% cobalt. For the highest accuracy and longest tool life, these solid-carbide bits are harder, stronger, and more wear resistant than high-speed steel, cobalt steel, and carbide-tipped bits. Cobalt drill bits are made from a steel alloy that contains 5 to 8% cobalt instead of pure cobalt. ![]() The auger bit and spade bit are used to drill through the wood.Ĭobalt drill bits are particularly good at cutting strong metals such as stainless steel and cast iron, apart from this they can also be used on soft materials. Taper Shank Drills Shanks Smaller Wood Drills (Paddle Bits) Wood Drills (Ship Auger Bits) Taps Dies. Screw Machine Length Drills Solid Carbide 3-Flute Jobber Length Drills. There are different types of drill bits, with diamond drill bits used to drill through glass and tile, while black oxide drill bits are perfect for drilling through plastic and carbon. '1/2'' Shank Cobalt S&D Drills' '1/2'' Shank S&D Drills' '12'' Aircraft Extension Drills'. They are used to make holes in metal, wood, plastic, and other materials. These bits are made from Cobalt M42 Steel which has a melting point of 2,853 degrees Fahrenheit! These bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more!ĭrill Hog includes a Lifetime Warranty to the original purchaser.Drill bits are available in various shapes and sizes. Includes Metal Case with (3) Pop up Tiersĭrill Hog is proud to release the newest technology in drill bits. Tri-Flat Shank Prevents "Spinning" in Chuck High Heat Treated Hardness 68-70 HRC (Rockwell Hardness Scale)ġ35 Degree Split Point Prevents "Walking" Sized in 1/64th Increments (Does not Skip any Sizes) Premium Solid Cobalt M42 Super High Speed Steel Number Drill Bit Sets (Wire Gauge Drills).Silver & Deming Drill Bits (Jumbo Drills).HI-Molybdenum M7 Silver & Deming Drill Bits. ![]()
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