Lathes Mills Combo Lathe Mills Drill Presses Bandsaws Sheet Metal Grinders Surface Grinders Welding CNC Sanders Drill Bits Drill Driver Bits Drilling amp Boring Power Tools 3 75 Ready To Ship Cobalt Drill Bit 15 32 quot D2135 9 50 3 46 Ready To Ship Cobalt Drill Bit Apr 01 2020 nbsp 0183 32 The CO Z Cobalt Drill Bit is a particularly high quality because it uses cobalt high speed steel with a titanium coating It s compatible with 188 3⁄8″ and 189 chuck sizes On top of that it features several usability improvements and the design of the drill tips completely eliminates walking on hardened steel surfaces Feb 28 2020 nbsp 0183 32 4 HSS Vs Cobalt Drill Bits These are some of the differences between high speed drill bits and cobalt drill bits Application HSS drill bits are ideal in relatively hard metals and wood while cobalt is suitable for hardened metals cast iron and stainless steel Drill Bits offers a variety of cordless drill bits and drill bit sets that stay sharp They are great for wood plastic aluminum and lite steel impact driver bits drill driver bits and cordless drill bits are perfect for commercial residential and hobby applications HSS fully ground drill bit split point 135 degrees Titanium coated for longer life For drilling steel plastic wood and similar materials For enhanced performance check out our Cobalt drill bit range For drilling stainless steel we recommend our TCT drill bits Learn More

Jan 02 2022 nbsp 0183 32 Best Drill Bits for Hardened Metal or Steel Clearly the best drill bits for hardened metal or steel come with a cobalt blend These cobalt drill bits use an alloy including 5 –8 cobalt This cobalt makes up part of the steel blend so the hardness of the bit doesn t wear off with a coating like titanium bits It runs throughout the 1 day ago nbsp 0183 32 Best M42 Drill Bits STROTON Metal Drill Bits For a Cobalt coating with a higher concentration look to these STROTON drill bits which fall under the category of M42 bits and have an 8 coating This set comes with 19 straight shank pieces that give you the ability to drill holes through a wide range of metal objects Cobalt drill bits are often used on stainless steel tool steels and other hard ferrous materials Pros Cobalt drill bit can withstand far greater temperatures than the cheaper bright HSS and black oxide drill bits They are easily resharpened and usually less expensive than carbide drill bits Cobalt drills often have self centering points For core drill bit sets choose the professional dry diamond core drill kit from Mexco Cobalt drill bits are ideal for those who require strong and heat resistant drill bits The Heller cobalt pro drill bit sets are suitable for drilling alloy hardened steel cast iron titanium and stainless steel Enjoy more drilling and less downtime with Harbor Freight step drill bits Automatically deburr holes as you drill through metal plastic and wood Find Your Local Harbor Freight Store Mobile menu button Cobalt Steel Step Drill Bit Set 2 Pc Cobalt Steel Step Drill Bit Set 2 Pc 39 99 Add to Cart Add to My List

Cobalt drill bits are used for drilling hard metal and steel They dissipate heat quickly and are highly resistant to abrasions making them better for drilling into hard metals than black oxide or titanium coated drill bits When considering a cobalt drill bit vs titanium cobalt bits are usually the best drill bits for stainless steel Which drill bits can be used for concrete or tile Metal specifically steel and titanium drill bits that are capable of cutting or drilling through concrete are referred to as masonry bits They can also be used for drilling through stone and tile Among the strongest type of drill bits are those with a carbide tip Twist Drill Bits 1823 Hole Saws amp Accessories 476 Masonry Drill Bits 377 Screwdriver Bits amp Holders 367 Impact Driver Bits 311 Woodboring Drill Bits 219 Step Drill Bits 41 Chisel Mortising Bits 40 Screw Extractors amp Sets 33 Drill Bit Extensions 21 Bolt Extractors 14 Diamond Core Drill Bits 13 Glass amp Tile Drill Bits 13 Jul 28 2020 nbsp 0183 32 You can drill different hole sizes without changing drill bits 2 flute design allows for sharper and more efficient cutting Cons Not for heavy duty metalwork 3 Drill America M35 29 Piece Cobalt Drill Bit SetType of drill bit being used There are many different types of drill bits available for drilling metal and each type will have different speed ratings The diameter of the hole being drilled The larger the diameter of the hole you are drilling the larger the surface area where metal is in contact with metal as a result heat build up will be

Associated Industrial Distributors has facilities for high volume orders and for making custom drill bits If you don t see what you re looking for or have Cobalt steel alloys are variations on high speed steel that contain more cobalt General purpose drill bits can be used in wood metal plastic and most other materials Twist drill bit The twist drill bit is the type produced in largest quantity today Also known as screw machine and stub length bits these provide maximum rigidity for drilling straighter holes than jobbers length drill bits Carbide Drill Bit Sets 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 Bosch BlueGranite Turbo Carbide Hammer Drill Bits deliver 5x life and 2x speed over standard masonry bits resulting in increased on the job productivity This impact rated bit has been redesigned with a hex shank and it is designed for use in Jun 22 2020 nbsp 0183 32 Cobalt drill bits are made from an alloy of 5 – 8 cobalt Because the cobalt is part of the steel blend its benefits run through the entire bit instead of wearing away like a coating That characteristic also makes them an excellent

Drill Bits and Drill Bit Sets for Every Kind of Material If you enjoy do it yourself projects a drill bit set is indispensable Find one with bits suited to different materials and in a variety of sizes Many sets include bits for drilling wood plastic and metal HSS drill bits an acronym for high speed steel drill bits are extremely hardwearing and particularly well designed for drilling into metal surfaces as they are much more resistant to the heat generated from the fast speed operation The front edges cut the material whilst the spirals remove debris from the hole Also known as screw machine and stub length bits these provide maximum rigidity for drilling straighter holes than jobbers length drill bits Quick Change Carbide Drill Bits Make fast bit changes all of these bits have the same shank diameter eliminating the need for different collets to hold each size Sep 16 2020 nbsp 0183 32 Cobalt drill bits are made with a steel alloy containing 5 8 cobalt so they can be used to cut into steel and other hard metals like cast iron Titanium drill bits are usually made out of steel with a titanium coating so they aren t as strong as cobalt drill bits and are liable to lose their coating over time Drill bits are cutting tools used to make round holes We have drill bits in many sizes and styles most of which are made for cutting metal The diameter of the drill bit refers to the edge that cuts the hole the shank refers to the end of the drill bit that fits in the drill