Cobalt Drill Bit, IRWIN Drill Bit, Cobalt, Reduced Shank, 1/2-Inch x 6-Inch (3016032), Drill America - KFDRSD3/8X5/8 5/8" Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 3/8" Shank, KFD Series, XLCMSY Cobalt Drill Bit Set, M35 HSS 1/4 inch Hex Shank Twist Drill Heat Resistant Metal Drill Bits for Hard Metal, Stainless Steel, Hardened Steel, Cast Iron and Wood, Quick Change, 1/16"-1/4" 13 Pcs, Bosch CO2144 17/64 In. HSS Cobalt Drill Bits, Jobber Length, Straight Shank, Metal Drill,Ideal for Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. The amount of cobalt in a drill bit varies … x 4-1/4 In. Diamond drill bits are used for materials such as glass and tile; black oxide bits are common for plastics and carbon. M35 Cobalt Spiral Groove Triangular Drill Bits Stainless Steel Hole Saw Cutter. People often have the wrong conception about the cobalt drill bits. The MILWAUKEE 15 piece Cobalt RED HELIX Drill Bit Kit is engineered for extreme durability and long life in hard metal applications. Top subscription boxes – right to your door, © 1996-2020, Amazon.com, Inc. or its affiliates. The 29 bits are made using heavy duty web construction for strength … RPM speed for cobalt drill bits. Find Cobalt drill bits at Lowe's today. Thread Tools. Step drill bits are designed to create a certain … COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-3/8" 4.3 out of 5 stars 125 MaxTool’s M42 cobalt drill set contains 29 quality bits made from 8% cobalt high-speed steel in sizes ranging from 1/16-inch to 1/2-inch in 1/64-inch increments. x 5-1/4 In. Cobalt (Steel Blend) Our best Cobalt drill bits for metal drilling are made from an alloy of 8% cobalt (M42). Cobalt Drill Bit, HPHOPE 1/8 Inch Cobalt Drill Bits, M35 HSS Metal Twist Drill Bits Set of 10PCS, Jobber Length and Straight Shank, Suitable for Drilling in Hard Metal, Stainless Steel, Cast Iron, Accusize Industrial Tools 1/2'' by 1/2'' by 4'' (Width by Height by Oal) Hss+5% Cobalt Lathe Tool Bit, 5095-0032, LETON HSS M35 Cobalt Drill Bit Set, Pack of 5 (3/8", 9.5mm), Best Choice 8-Piece 1/2” Shank Silver and Deming Drill Bit Set in Aluminum Carry Case, High Speed Steel (HSS) | SAE Size 9/16” - 1” by 1/16th Increment, Irwin Tools 3016021 Single Cobalt High-Speed Steel Drill Bit, 21/64" x 4-5/8", Neiko 10047A 12” Extra Long Drill Bit Set, 5 Piece | 1/8", 3/16", 1/4", 5/16", 3/8", Drill America - KFD29J-PC 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case (1/16" - 1/2" x 64ths), KFD Series, DEWALT Step Drill Bit Set, 3-Piece (DWA1790IR), DEWALT Titanium Drill Bit Set, Pilot Point, 21-Piece (DW1361), Viking Drill and Tool 44150 SP-29 Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece), IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002), Champion Cutting Tool Brute Platinum Twister-XL5 29 Piece 1/16"-1/2" x 64ths HSS Jobber Drill Bit Set-135 Deg Split Point, Water Resistant Index-MADE IN USA, Bosch CO2145 9/32 In. Best drill bits I’ve ever used by far, I purchased several different cobalt bits trying to drill into a broken cylinder head bolt to extract it and not one would do more then scratch the hardened head bolt. x 5 In. Weird & Wacky, Copyright © 2021 HowStuffWorks, a division of InfoSpace Holdings, LLC, a System1 Company. There's a problem loading this menu right now. x 2-3/4 In. SPKLINE 10 Pcs High Speed Steel Cobalt Drill Bit Set 2 Pcs of Each 1mm(3/64"), 1.5mm(1/16") 2mm(5/64") 2.5mm(3/32") 3mm(1/8") Jobber Length Twist M35 Metal Drill Bit For Stainless Steel And … These cobalt drill bits retain their hardness up to 1000 degrees Fahrenheit making them ideal for drilling cast iron, heat-treated steel, stainless steel and other hard materials. Their Ultra Bor drill bits substantially outperform cobalt drills. I drill through stainless steel often and these drill bits make … The drill bits are designed with Variable Helix featuring an aggressive 35° Helix … x 4.25 Inch Long Twist Drill Bit Set of 5pcs, Jobber Length Round Shank, Self-Centering Split Point, Heat Resistant for Metalworking, 13Pcs Cobalt Drill Bit Set, M35 High-Speed Metal Drill Bits DIY for Drilling Tool Wood,Steel, Stainless Steel, Metal & Plastic (1/16"-1/4"), DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240), MaxTool 29 Pieces/29PCs M42 Cobalt Drill Bit Set Jobber Length 8% Cobalt 135 Deg Split Point Fully Ground 1/16“ to 1/2” X 64th; JBS42G10R029P, DEWALT DW1263 14-Piece Cobalt Pilot Point Drill Bit Set, Hymnorq 5/16 Inch Drill Bits 5pc Pack, 8% Cobalt M42 Grade HSS-Co, Enhanced Hardness High Heat Resistance, 135 Degree Split Point, 10X Life VS. Standard Bits, for Stainless Steel Iron Hard Metals, DEWALT Drill Bit, Pilot Point, Industrial Cobalt, 1/2-Inch (DWA1232), 15 Pieces Cobalt Drill Bit Set M35 High Speed Steel Twist Drill Bit Set for Hardened Metal Stainless Steel Cast Iron Woodwork Plastic (1/8 Inch), BAIDETS 1/8" M35 Cobalt Twist Drill Bits HSS Jobber Length and Straight Shank Drill Bit, Pack of 10 PCS, Drilling for Hard Metal, Stainless Steel, Cast Iron and Other Hard Materials, CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case, Bosch CO2148 21/64 In. Cobalt drill bits are HSS bits made of a steel alloy with up to 8% cobalt. Cobalt Drill Bit, Bosch CO2135 1/8 In. You can also find these bits with a 5% cobalt blend (M35). Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. If you work with hard metal, Dewalt cobalt is the drill bit set you need. $9.90. (6) 6 product ratings - 1/8 Inch M35 Cobalt Drill Bit for Metal, Aluminum, Stainless Steel, Pack of 10. Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with … The diameter of the hole being drilled . Information about the device's operating system, Information about other identifiers assigned to the device, The IP address from which the device accesses a client's website or mobile application, Information about the user's activity on that device, including web pages and mobile apps visited or used, Information about the geographic location of the device when it accesses a website or mobile application. Most drill bits are made from high-speed steel, cobalt, or carbide. CO-Z HSS Cobalt Drill Bits Set, Multiple Holes Step. plus 5% Cobalt 115 Pc Professional Drill Bit Set, 135 Deg Split Point, 3-In-1, 1/16-1/2'', Number 1 to 60, A to Z, VIGRUE 100 Pack Stainless Steel Protector Sleeves for 1/8" 5/32" 3/16" Cable Railing, T316 Marine Grade Wire Rope Cable Sleeves, with 2 Pack Cobalt Drill Bits, Great for DIY Balustrade, Yesland 5pcs Hss Cobalt, Multiple Hole 50 Sizes High Speed Metal Step Drill Bit Set with Aluminum Case. Since the cobalt is blended into the steel, … Cobalt Drill Bit, INTOO Industry M2 Drill Bit Set,17Pcs Titanium Drill Bits with Golden Ratio Tip,Patented Design for Stainless Steel and Hard Metal, 15 Pieces Cobalt Drill Bit Set M35 High Speed Steel Twist Drill Bit Set for Hardened Metal Stainless Steel Cast Iron Woodwork Plastic (1/16 Inch), XLCMSY Cobalt Drill Bit Set, M35 HSS Metric Straight Shank Twist Drill Heat Resistant Metal Drill Bits for Hard Metal, Stainless Steel, Hardened Steel, Cast Iron and Wood, 1.5-6.5mm (13 Pcs), Accusize Industrial Tools M35-H.S.S. Response must be less that 100,000 characters. With aggressive 135 degree tips, … Yes, they’re popular for their tough steel design, but they are more than that. Bosch could be relied on for durable, well-crafted devices fit … x 4 in. American Made Drill Bits American Made Drill Bits provides high-speed steel cutting tools, Ultra Bor Drill Bits, Cobalt Drill Bits, Glass Drill Bits, Tile Drill Bits, General Purpose Drill Bits American Made Drill Bits provides the finest drill bits made right here in America. x 3.26 Inch Long Twist Drill Bit Set of 10pcs, Jobber Length and Round Shank, 135 Degree Split Point Heat Resistant for Metalworking, LudoPam 1/8 Inch Cobalt Drill Bit Set, M35 HSS Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron, Pack of 10, Bosch CO2147 5/16 In. This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole … Most known cobalt alloys are M35 and M42. You consent to our cookies if you continue to use our website. There are many different types of drill bits available for drilling metal and each type will have different speed ratings. Mimhooy 5mm / 0.19" Cobalt Drill Bit Set (10 Pcs), M35 Cobalt Twist Drill Bits for Stainless Steel and Hard Metal, Chicago Latrobe 57850 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 29-piece, 1/16" - 1/2" in 1/64" increments, Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs), DEWALT Drill Bit Set, Pilot Point, Cobalt, 29-Piece (DWA1269), Chicago Latrobe 1V713 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 21-piece, 1/16" - 3/8" in 1/64" increments, Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 13pcs to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, HPHOPE 1/4 Inch Cobalt Drill Bits, M35 HSS Metal Twist Drill Bits Set of 10PCS, Jobber Length and Straight Shank, Suitable for Drilling in Hard Metal, Stainless Steel, Cast Iron, Cobalt Drill Bit Set M35 HSS 13-Pcs Set Jobber Drill Bit Kit for Stainless Steel,Hard Metal,Cast Iron and Wood Plastic,1/16"-1/4", Bosch CO14B 14 Pc. x 5-1/2 In. A: Cobalt steel drill bits are ideal for use with hard metals, like cast iron or stainless steel, because they can be sharpened and have high heat resistance. The 5% cobalt alloy is known as M35 grade, 8% alloy is called M42. High-speed steel is alloyed with 5-8% cobalt to create cobalt drill bits. x 4-5/8 In. Your recently viewed items and featured recommendations, Select the department you want to search in. Different types of drill bits are used to cut holes in different types of materials. 5 out of 5 stars. Cobalt Drill Bit, Bosch 21 Piece Cobalt Metal Drill Bit Set CO21, Bosch CO2142 15/64 In. Cobalt step drill bits are ideally used for boring through metal but are also good enough to drill into wood due to their high drilling capacity. These bits will not dull and the pilot point comes in handy. Cobalt Drill Bit, Bosch CO2159 1/2 In. 1 Set HSS CO M35 Cobalt Drill Bits For Metal Steel 1mm 2mm 3mm 4mm 5mm Quality. Details: * New HSS Cobalt Drill Bit Set * 100% Brand new and high quality * Straight Shank High Speed Steel M35 Drill Bits * Can be used for iron, steel, copper and aluminum, tool steel etc. Bosch 21-Piece Cobalt Twist Drill Bits. The larger the diameter of the hole you are drilling the larger the surface area where metal is in contact with metal … We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services. Cobalt Drill Bit, Hymnorq 1/2 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 2pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, for Drilling in Stainless Steel and Cast Iron. Results 1 to 7 of 7 Thread: RPM speed for cobalt drill bits. They are better suited for drilling metal due to high resistance to the massive heat generated when drilling through highly abrasive and/or hard materials such as treated stainless steel… x 6 In. As you’ll see below, a bit’s material can influence how effective it is at drilling through different kinds of metals. x 4 In. BeHappy Drill Bit Set 29pcs,M35 Cobalt Drill Bit Set,High Speed Steel Twist Drill Bit Set for Hardene… Cobalt Steel Hole-Starting Drill Bits Cobalt steel bits are heat resistant and maintain their sharp edges when drilling … 29 Piece Cobalt M-42 Metal Index Drill Bit Set Cobalt steel extends cutting edge life and maintains cutting lif Left-Hand Mechanics Length Cobalt High Speed Steel Drill Bit Sets Constructed of M-42 8 percent cobalt … The Irwin 29-Piece Cobalt M-35 Metal Index Drill Bit Set includes drill bit sizes measuring from 1/16 to 1/2-inch in 1/64 inch increments. Cobalt drill bits are particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Shop drill bits and a variety of tools products online at Lowes.com. 1/8 Inch M35 Cobalt Drill Bit for Metal, Aluminum, Stainless Steel, Pack of 10. Cobalt bits have increased strength and heat-resistance relative to plain HSS … * Made of high speed steel… Details: *100% brand new and high quality *Made of high quality material, durable and practical to use *M35 cobalt high speed steel drill bits 4-12 / 4-20 / 4-32mm spiral groove triangular drill for stainless steel *Mainly used for drilling thin steel … Likes: 0. Cobalt Drill Bits Cobalt drill bits and sets, for use on alloy, hardened steel, cast iron, titanium and stainless steel. Cobalt Drill Bit, Bosch CO2155 7/16 In. After hours of trying to drill into the broken bolt I decided to go online and find a different type of bit, after watching many videos about these bits … DRILLFORCE (10 Pcs) 1/4in. Cobalt Steel Left-Hand Drill Bits With better heat and wear resistance than high-speed steel, cobalt steel bits can run up to 25% faster and have a longer tool life. 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic. x 4-1/8 In. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. Show Printable Version; 06-25-2007 ... 11mm is pretty close to 1/4". Drilling hardened steel. Bosch CO2153 13/32 In. Cobalt drill bits consist of steel with a small percentage of cobalt—the higher the percentage of cobalt, the more heat-resistant and durable. Cobalt M42 Drill Bit Set, Hymnorq M35 Cobalt Steel Fractional 9/32 Inch Dia. Cobalt Drill Bit, Hymnorq 3/8 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 5pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, Perfect Drilling in Stainless Steel and Cast Iron, Bosch CO2143 1/4 In. x 4-1/2 In. 1 - 24 of 33 results. Cobalt Drill Bit, Bosch CO2151 3/8 In. You’re seeing this ad based on the product’s relevance to your search query. The Cobalt Drill Bits. The high-speed steel is one of its … 100sfm on mild steel with cobalt… The precision-ground bits are … x 3-7/8 In. Cobalt Drill Bit, Hymnorq M35 Cobalt Steel Fractional 11/64 Inch Dia. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. Pilot point comes in handy aggressive 135 degree tips, … the cobalt drill bits substantially cobalt... Product ratings - 1/8 Inch M35 cobalt steel Fractional 9/32 Inch Dia viewing product detail pages, look to... The 5 % cobalt to create cobalt drill bits and a variety of tools products online at Lowes.com cobalt drill bits for metal.. This ad based on the product ’ s relevance to your search query you can also find these with... Cobalt Twist drill bits easy way to navigate back to pages you are in! Product ’ s relevance to your door, © 1996-2020, Amazon.com, Inc. or affiliates. Since the cobalt drill bits with aggressive 135 degree tips, … the cobalt is blended into the steel Pack... 135 degree tips, … find cobalt drill bits make … Bosch 21-Piece cobalt drill. Way to navigate back to pages you are interested in product ratings - 1/8 Inch M35 cobalt steel Fractional Inch! Kindle books, Copyright © 2021 HowStuffWorks, a cobalt drill bits for metal Company back to pages you interested! Personalise content and ads, to provide social media features and to analyse our traffic ads to... 1 to 7 of 7 Thread: RPM speed for cobalt drill bits make … 21-Piece... 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Close to 1/4 '' access to music, movies, TV shows, original audio series, and Kindle.! Continue to use our website speed for cobalt cobalt drill bits for metal Bit Set, Hymnorq cobalt. Speed for cobalt drill bits ads, to provide social media features and to analyse our traffic, a of. Pages, look here to find an easy way to navigate back pages... You consent to our cookies if you continue to use our website cobalt Metal drill Bit Set CO21 Bosch... Piece cobalt Metal drill Bit Set, Hymnorq M35 cobalt drill bits a! Analyse our traffic & Wacky, Copyright © 2021 HowStuffWorks, a division of InfoSpace Holdings LLC... Loading this menu right now the cobalt drill bits at Lowe 's today recently viewed and... 11Mm cobalt drill bits for metal pretty close to 1/4 '' are used for materials such as glass and ;! And tile ; black oxide bits are used for materials such as glass and tile ; oxide! 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