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. The diameter of the hole being drilled . Cobalt M42 Drill Bit Set, Hymnorq M35 Cobalt Steel Fractional 9/32 Inch Dia. Cobalt Drill Bits Cobalt drill bits and sets, for use on alloy, hardened steel, cast iron, titanium and stainless steel. x 4 In. Most known cobalt alloys are M35 and M42. x 5 In. Most drill bits are made from high-speed steel, cobalt, or carbide. (6) 6 product ratings - 1/8 Inch M35 Cobalt Drill Bit for Metal, Aluminum, Stainless Steel, Pack of 10. 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. 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic. Weird & Wacky, Copyright © 2021 HowStuffWorks, a division of InfoSpace Holdings, LLC, a System1 Company. BeHappy Drill Bit Set 29pcs,M35 Cobalt Drill Bit Set,High Speed Steel Twist Drill Bit Set for Hardene… 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. 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. As you’ll see below, a bit’s material can influence how effective it is at drilling through different kinds of metals. CO-Z HSS Cobalt Drill Bits Set, Multiple Holes Step. This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole … x 4-1/8 In. You’re seeing this ad based on the product’s relevance to your search query. Your recently viewed items and featured recommendations, Select the department you want to search in. x 5-1/4 In. Bosch could be relied on for durable, well-crafted devices fit … 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 … Their Ultra Bor drill bits substantially outperform cobalt drills. 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… You can also find these bits with a 5% cobalt blend (M35). Cobalt Drill Bit, Bosch CO2151 3/8 In. Shop drill bits and a variety of tools products online at Lowes.com. x 4 in. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. With aggressive 135 degree tips, … x 4-1/2 In. Cobalt (Steel Blend) Our best Cobalt drill bits for metal drilling are made from an alloy of 8% cobalt (M42). Different types of drill bits are used to cut holes in different types of materials. 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. 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. Drilling hardened steel. Diamond drill bits are used for materials such as glass and tile; black oxide bits are common for plastics and carbon. 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 … Cobalt Drill Bit, Bosch CO2155 7/16 In. DRILLFORCE (10 Pcs) 1/4in. 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. The 29 bits are made using heavy duty web construction for strength … x 6 In. Yes, they’re popular for their tough steel design, but they are more than that. Top subscription boxes – right to your door, © 1996-2020, Amazon.com, Inc. or its affiliates. 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. The drill bits are designed with Variable Helix featuring an aggressive 35° Helix … 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. Find Cobalt drill bits at Lowe's today. 1/8 Inch M35 Cobalt Drill Bit for Metal, Aluminum, Stainless Steel, Pack of 10. 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. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. 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 consist of steel with a small percentage of cobalt—the higher the percentage of cobalt, the more heat-resistant and durable. x 2-3/4 In. x 3-7/8 In. x 4-5/8 In. 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. $9.90. x 4-1/4 In. The high-speed steel is one of its … 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. RPM speed for cobalt drill bits. M35 Cobalt Spiral Groove Triangular Drill Bits Stainless Steel Hole Saw Cutter. These bits will not dull and the pilot point comes in handy. 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. The 5% cobalt alloy is known as M35 grade, 8% alloy is called M42. The amount of cobalt in a drill bit varies … There's a problem loading this menu right now. Cobalt Drill Bit, Hymnorq M35 Cobalt Steel Fractional 11/64 Inch Dia. Bosch CO2153 13/32 In. People often have the wrong conception about the cobalt drill bits. Cobalt drill bits are HSS bits made of a steel alloy with up to 8% cobalt. Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with … If you work with hard metal, Dewalt cobalt is the drill bit set you need. I drill through stainless steel often and these drill bits make … 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. Cobalt Drill Bit, Bosch CO2135 1/8 In. x 5-1/2 In. There are many different types of drill bits available for drilling metal and each type will have different speed ratings. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. 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. 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. Step drill bits are designed to create a certain … 1 - 24 of 33 results. 5 out of 5 stars. Cobalt Drill Bit, Bosch CO2159 1/2 In. Likes: 0. 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 Results 1 to 7 of 7 Thread: RPM speed for cobalt drill bits. Thread Tools. The Cobalt Drill Bits. Cobalt Steel Hole-Starting Drill Bits Cobalt steel bits are heat resistant and maintain their sharp edges when drilling … 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. Since the cobalt is blended into the steel, … 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 MILWAUKEE 15 piece Cobalt RED HELIX Drill Bit Kit is engineered for extreme durability and long life in hard metal applications. The precision-ground bits are … * Made of high speed steel… Response must be less that 100,000 characters. Cobalt bits have increased strength and heat-resistance relative to plain HSS … You consent to our cookies if you continue to use our website. Bosch 21-Piece Cobalt Twist Drill Bits. HSS Cobalt Drill Bits, Jobber Length, Straight Shank, Metal Drill,Ideal for Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. Cobalt Drill Bit, Bosch 21 Piece Cobalt Metal Drill Bit Set CO21, Bosch CO2142 15/64 In. 1 Set HSS CO M35 Cobalt Drill Bits For Metal Steel 1mm 2mm 3mm 4mm 5mm Quality. 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. 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. 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