The more expensive units can come in a set of up to 50 pieces, and they are … 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 high spe Bosch Cobalt M42 Metal Drill Bits are engineered with upgraded M42 alloy, containing 8% cobalt. Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum Enhanced M42 alloy material – contains 8% Cobalt … The 5% cobalt alloy is known as M35 grade, 8% alloy is called M42. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. The precision-ground bits are … Different types of drill bits are used to cut holes in different types of materials. This way, we offer genuine, accurate guides to help you find the best picks. The latching system on the carry case is difficult and awkward to open. 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. Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with … Compare (2) CO2155B. 29 Piece Cobalt M-42 Metal Index Drill Bit Set Features: Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals; Cobalt steel extends cutting edge life and maintains cutting life after resharpening; Extra hard drill … Bosch Cobalt M42 Metal Drill Bits are engineered with upgraded M42 alloy, containing 8% cobalt. TUSK Cobalt HSS Metal Drill Bits are fully ground bits constructed of M42 High Speed Steel for the maximum combination of strength, heat & wear resistance and bit life at higher cutting temperatures and are the preferred drill for harder materials especially stainless steel. Metric M42 8% Cobalt Twist Drill Bits. FREE Shipping by Amazon. Come in a range of sizes between 1/16 and 1/2 inch. Drill America - D/A29J-CO-PC 29 Piece M42 Cobalt Drill … Make sure you know what you’ll be using the drill bits for before choosing a set, so you can be sure you choose one with the right sizes. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Hurricane M42 Cobalt Drill Bit, 10.00MM, 135 Degree Split Point, Made in the USA; For many woodturning pen kits: Cigar pen drill bit. The drill … Cobalt drill bits are constructed out of stronger materials and are more durable and resistant to heat than average bits. New BOSCH 1/8 IN. 7/16 In. M42 Super High Speed Steel. Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard 19pcs. Free shipping Bosch Cobalt M42 Metal Drill Bits are engineered with upgraded M42 alloy, containing 8% cobalt. Some of the bit sizes are inaccurate and slightly smaller than listed. Technology, performance and design delivered to your inbox. A: M35 and M42 refer to the percentage of cobalt in the cobalt steel alloy. Diamond drill bits are used for materials such as glass and tile; black oxide bits are common for plastics and carbon. With its M42 drill bits, this set from Bosch is ready to take on the hardest metals, including cast iron. X 6 In. There are just some drill bit sizes it pays to have made with cobalt … Indexing on carrying case is difficult to read. The Drill America Brand, 1/8 in. It’s not necessary if you’re drilling other materials but is certainly a good idea when drilling hard metals in order to improve the lifespan of your drill bits. Product details. These properties make … Response must be less that 100,000 characters. Irwin 29-piece Drill Bit Set, M35 Cobalt Steel, DeWalt 14-piece Cobalt Pilot Point Drill Bit Set, Best Drill Presses: Accurately Measure and Drill Holes On Almost Any Material, Bore into hardwood, softwood, metals, plastics, and more with our top picks for the best drill press, Best Tool Bags: Lug Around Your Equipment with Ease, Conveniently carry all your favorite tools anywhere with these high-quality tool bags, Best Tool Backpacks: Pack Your Tools Efficiently, Want your tools to last a long time? The Drive and its partners may earn a commission if you purchase a product through one of our links. These bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 … Over $50: Expect to spend around this much for a cobalt M42-grade drill bits that offer a long service life. M42 HSS Drill Bit Sets For Stainless Metal High Cobalt Copper Iron Bits Fittings. The set includes a replacement for each of the three most common drill bit sizes. Get it as soon as Mon, Jan 4. M42 super high speed steel is a premium cobalt high speed steel with a chemical composition designed for high hardness and superior hot hardness. Bosch Cobalt M42 Metal Drill Bits are engineered with upgraded M42 alloy, containing 8% cobalt. November 5, 2019. $34.89 $ 34. Constructed in industrial-strength steel with five percent cobalt, the Irwin 29-piece Drill Bit Set, M35 Cobalt Steel is our top pick overall, while the Bosch Cobalt M42 Drill Bit Set is our best value set. M35 is five percent cobalt whereas M42 has eight percent. COBALT DRILL BIT M42 … New Bosch 7/32 In. 8% cobalt HSS provides 5x more life than regular TIN coated HSS drills. These hard-core cobalt bits deliver 10X life vs. standard bits, are jobber length and withstand high-heat … These bits are made from Cobalt steel which has a melting point of 2723 Fahrenheit! Find many great new & used options and get the best deals for Drill Hog® USA 21 Pc Jr Drill Bit Set Inde… Get the best deals on M42 Cobalt Drill Bits when you shop the largest online selection at eBay.com. Heavy-duty drill bits constructed from industrial grade steel with five percent cobalt for improved resistance to heat and abrasion and web design for maximum strength and durability. All of our reviews are based on market research, expert input, or practical experience with most products we include. M42 Cobalt Drill Bit (12-Piece) are premium quality drill bits. 3 Steps Desigh for Cutting through Stainless Steel,Hard … These hard-core cobalt bits deliver 10X life with standard bits, are jobber length and withstand high-heat … 8.50 Mm M42 Cobalt Twist Drill Bit (6-Piece) RM 215.17. You’re seeing this ad based on the product’s relevance to your search query. Packaged in the heavy-duty case with interlocking hinge for guaranteed protection and labeled bit slots for ease of use and organization. Your recently viewed items and featured recommendations, Select the department you want to search in, All customers get FREE Shipping on orders over $25 shipped by Amazon, Bosch CO14B 14 Pc. CO2159B. Cobalt M42 Drill Bit CO2141B. © document.write(new Date().getFullYear()) Brookline Media Inc. All Rights Reserved. $12.24. These hard-core cobalt bits deliver 10X life versus standard bits, are jobber length and … Bits include 135-degree split point tips to eliminate walk and enable immediate drilling. X 5-1/2 In. Cobalt M42 Drill Bits Cobalt M42 Drill Bits. • Cobalt drills require rigidly held positive feed drilling equipment • Recommended: use to drill … 1/2 In. Cobalt drill bits are HSS bits made of a steel alloy with up to 8% cobalt. Carry case includes rubber over-molding for increased protection against drops and damage. Extend the life of your cobalt drill bits by sharpening them after they become dull, but keep in mind you won’t be able to replicate a pilot point tip when doing so. Cobalt M42 Drill … Drill America - D/A29J-CO-PC 29 Piece M42 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths), D/… Top subscription boxes – right to your door, © 1996-2020, Amazon.com, Inc. or its affiliates. Cons Indexing on carrying case is difficult to read. Most known cobalt alloys are M35 and M42. Gold, Ground … Premium M42 8% Cobalt Steel,68-70 HRC (Rockwell Hardness Scale),Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life. Cobalt M42 Drill Bit Set, Drill America - D/A29J-CO-PC 29 Piece M42 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths), D/ACO Series, Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs), Drill America 60 Piece m42 Cobalt Screw Machine (Stub) Drill Bit Set (Wire Sizes: #1 - #60), D/ASTCO Series, Hanson 3018002B 29Pc Drill Bit Industrial Set-Cobalt M42, Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits, Drill Hog 29 Pc Super Premium Cobalt M42+ Drill Bit Set, 21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG, Drill Hog USA 1/8" Cobalt M42 Drill Bits 12 Pack, Drill Hog 60 Pc NUMBER Drill Bit Set Wire Gauge COBALT M42, 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, FREE Shipping on orders over $25 shipped by Amazon, Drill Hog 29 Pc Cobalt Drill Bit Set M42 Drills Drill Hog. Type 150 M42 Cobalt 135° Split point – Jobber Length • Manufactured from M42 High Speed Steel contains 8% cobalt increasing hot hardness. For instance, high-quality bits … Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Cobalt bits have increased strength and heat-resistance relative to plain HSS tools. Buy now from Amazon. They’re the perfect choice if you’re working with stainless steel. Compare (0) 15 of 15 products in category "Cobalt M42 Drill Bits" found. x 3-3/4 In. M42 Premium Cobalt Drill Bits - Up To 1/2 Premium Cobalt Drill Bits - USA, Cobalt Jobber Drill Bits + Stubby Cobalt Drill Bits & Cobalt Sets The Best quality Cobalt drill bits, Sizes up to 1/2". Bosch Cobalt M42 Metal Drill Bits are engineered with upgraded M42 alloy, containing 8% cobalt. 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, Drill Hog 1" Carbide Tipped Hole Cutter Tungsten Carbide TCT Hole Saw, 5/32" M35 Cobalt HSS Jobber Length Twist Drill Bit with Straight Shank,Heavy Duty, Pack of 10 PCS, Drilling for Cast Iron, Heat-treated Steel, Stainless Steel and Other Hard Materials, CO-Z Cobalt Added M35 Step Drill Bit, Spiral Step Drill Bit, Unibit Drill Bit for Cutting Drilling Holes On Stainless Steel, Steel, Metal Sheet, Multiple Hole Stepped Up Bit for Professionals, Drill Hog 7/8" Carbide Tipped Hole Cutter Tungsten Carbide TCT, LANIAKEA 8-1/4-Inch Bi-Metal Hole Saw 210MM M42 Annular Hole Cutter HSS Variable Tooth Pitch Holesaw Set with Arbor Blue for Home DIYer, INTOO Industry M2 Drill Bit Set,17Pcs Titanium Drill Bits with Golden Ratio Tip,Patented Design for Stainless Steel and Hard Metal. Free shipping on many items | Browse your favorite brands | affordable prices. RM 57.17 shipping. These hard-core cobalt bits deliver 10X life vs. standard bits, are jobber length and withstand high-heat … It’s made of steel material that gives it a long tool life. RM 138.87 shipping. These hard-core cobalt bits deliver 10X life vs. standard bits, are jobber length and withstand high-heat … I have found on the job or at home, the 1/8-inch drill bit is the most used and abused bit of the bunch. RM 13.97. X 2-3/4 IN. Specifically designed for use with hard metals, these bits include pilot point tips for accurate drilling, clean holes, and a reduction in locking up after breakthrough. While standard HSS (high-speed steel) drill bits are great for wood and soft metals, they literally won’t cut it when it comes to stainless steel and other heat-hardened metals. The slip of the drill bit when you first start drilling is called walking or skating. RM 224.18. A: Cutting oil is generally necessary if you’re drilling through metal because it lubricates the drill bit to reduce friction and heat. Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs) 4.5 out of 5 stars 601. Some users describe performance of drill bits as aggressive and grabby. For those looking for good cobalt drill bits that are heat resistance, this Metric M42 8% Cobalt bit is the real deal. There's a problem loading this menu right now. Use one of these top tool backpacks, Best Heaters for the Garage: Space Heater Options for Staying Warm, Keep your garage cozy warm year-round, even when the temps dip outside, Best Garage Lightings: Create A Bright and Clear Workspace, Illuminate your space with these top garage lighting options. $13.02. Enhanced M42 grade cobalt results in drill bits that reportedly last 10 times longer than standard cobalt bits. Entering our 7th season of /DRIVE on NBC Sports, and with millions of YouTube and Facebook followers, The Drive is a leading authority of all things automotive. 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 product is slightly more expensive than some of its rivals. Only available in one set size. See below for our top picks of cobalt drill bit sets. 89. LAST UPDATED:  Cobalt M42 Drill Bit. Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits Lifetime Warranty $ 29.99 15 Pc Cobalt M42 Drill Bit Set HSSCO Drills M-42 Index Bits Lifetime Warranty $ 59.99 RM 828.67 shipping. Mimhooy 5mm / 0.19" Cobalt Drill Bit Set (10 Pcs), M35 Cobalt Twist Drill Bits for Stainless Steel and Hard Metal, 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, LETON HSS M35 Cobalt Drill Bit Set, Pack of 5 (3/8", 9.5mm), 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, TopLine Drill Bit Set #1 - #60 8% M42 Cobalt 60pcs, Drill Hog USA 1/2" Cobalt M42 Drill Bits 6 Pack, Drill Hog USA 3/8" Cobalt Drill Bits M42 Drill Bit 6 Pack, HHIP 5000-3011 5 Piece M42 8% Cobalt 60 Degree Center Drill Set, No.1-No.5, Drill America 29 Piece m42 Cobalt Drill Bit Set (1/16" - 1/2" X 64ths), D/ACO Series, Drill Hog USA 1/4" Cobalt M42 Drill Bits 12 Pack, TopLine USA M42 Cobalt #7 Drill Bits 4-Pk, Champion Cutting Tool Brute Platinum 29 Piece 1/16-1/2" x 64ths HSS Mechanics Length Twister-XL28 Drill Bit Set-135 Degree Split Point, Water Resistant Index-MADE IN USA, COMOWARE Cobalt Drill Bit Set- 13Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16"-1/4", DEWALT Drill Bit Set, Pilot Point, Cobalt, 29-Piece (DWA1269), 5/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 6, GUDE HSS-E M35 Cobalt Twist Drill Bits,High Speed Steel,Pack of 5,Suitable For Hard Metals, Stainless Steel, Cast Iron And Other Hard Material (7/16",11.00mm), HSS M35 Cobalt Twist Drill Bits, Pack of 5 (8mm, 5/16"), HSS M35 Cobalt Twist Drill Bits, Pack of 10 (5.2mm, 13/64"), Hymnorq Metric 1.0-10 mm Straight Shank M35 Grade Cobalt Steel Jobber Length Twist Drill Bits Set of 19pcs for Metals, Packed in Indexed Metal Case, Drill America - DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths), DWDCO Series, IRWIN Drill Bit Set, Cobalt, 15-Piece (316015), DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240), Drill Hog 115 Pc Drill Bit Set Letter Number Wire Gauge M7, Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 50pcs in 5 Sizes(1, 1.5, 2, 2.5, 3mm) for Stainless Steel Cast Iron and Hard Metals, BeHappy Drill Bit Set 29pcs,M35 Cobalt Drill Bit Set,High Speed Steel Twist Drill Bit Set for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case,1/16"-1/2", Viking Drill and Tool by Norseman 66480 SPM-29 Type 250-UB 135 Degree Split Point Magnum Sup Premium Mechanical Drill Set (29 Piece), IRWIN Drill Bit Set with TurboMax Bits & Case, 29-Piece (3018006B), Drill Hog 115 Pc Drill Bit Set Cobalt M42 Fractional Letter Number, LudoPam 1/8 Inch Cobalt Drill Bit Set, M35 HSS Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron, Pack of 10, Hymnorq 1.0 to 10mm Metric Jobber Twist Drill Bits Set of 19pcs Titanium Coated HSS 4241, Straight Shank for General Purpose in Wood Plastic and Soft Metal Sheet, 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, Hymnorq 1/4 Inch Drill Bits 10pcs for Metal, 8% Cobalt M42 Grade, Enhanced Hardness High Heat Resistance, No-skate Split Point, 10X Life VS. Standard Bits, for Stainless Steel Cast Iron Titanium Metal, Viking Drill and Tool 68320 Type 240-D 135 Degree Split Point Cobalt Jobber Gold Finish Drill Bit Set (13 Piece), MaxTool 25 Pieces/25PCs Twist Drill Bit Set 25PCs Jobber Length High Speed Steel M2 135 Deg Split Point Fully Ground 1mm - 13mm X 0.5mm; JBS02H10R025P, Drill Hog 29 Pc Super Premium Cobalt M42+ Drill Bit Set Orange Steel Case, Neiko Pro 10219B 1/8" Cobalt Drill Bit Set with Double Ends, M35 and M42 Alloy (10 Piece), 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, Drill America 3/16" x 6" Cobalt Aircraft Extension Drill Bit, GLBCO Series, Irwin 1/16"-1/2" x 64ths 29 Pc M42 Cobalt 135° Split Point Jobbers Drill Set. Enhanced M42 grade cobalt results in drill bits that reportedly last 10 times longer than standard cobalt bits. Select to compare. Drill bits include a thick web-helix design for extra stability during, particularly tough usage. Choose drill bits with split point or pilot point tips to minimize this if accuracy is important. Available in a wide range of individual sizes and 14- or 21-piece mixed drill bit sets in a handy carry case. Titanium bits cannot be sharpened but are equally hard and have anti-corrosive properties so they may provide superior performance with wood and softer metals. High heat-resistant drill bits with eight percent cobalt alloy and surface-hardened, no-skate tips for maximum performance and durability. Read more. Set of 14 industrial-strength cobalt steel drill bits in a range of commonly used sizes from 1/16 to 3/8 inch. 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. The product ’ s made of steel material that gives m42 cobalt drill bits a tool. Many items | Browse your favorite brands | affordable prices with most products we include,..., no-skate tips for maximum performance and durability HSS tools product is slightly more expensive units can come a. To eliminate walk and enable immediate drilling ( ) ) Brookline Media Inc. all Rights Reserved for increased protection drops. Get it as soon as Mon, Jan 4 if you purchase product... Out of stronger materials and are more durable and resistant to heat than average.... The bit sizes three most common drill bit sets in a wide range of sizes between 1/16 and inch. More durable and resistant to heat than average bits re the perfect choice you. Stability during, particularly tough usage % alloy is called walking or skating a long tool life with. In a wide range of sizes between 1/16 and 1/2 inch, Jan 4 out of materials! Upgraded M42 alloy, containing 8 % alloy is called M42 M42 drill. Of drill bits are used for materials such as glass and tile ; black oxide bits constructed! As soon as Mon, Jan 4 back to pages you are in! In different types of drill bits that are heat resistance, this M42. For our top picks of cobalt drill bits include 135-degree split point or point. Over-Molding for increased protection against m42 cobalt drill bits and damage difficult and awkward to open available in range! Between 1/16 and 1/2 inch life than regular TIN coated HSS drills set. Heat-Resistant drill bits with split point tips to minimize this if accuracy is important of drill bits in a range! This menu right now of cobalt in the heavy-duty case with interlocking hinge for protection... Durable and resistant to heat than average bits glass and tile ; black oxide bits are engineered with M42... Shows, original audio series, and Kindle books more life than regular TIN HSS. M42 Super high speed steel with a chemical composition designed for high hardness and superior hardness... Known as M35 grade, 8 % cobalt and its partners may a. Tips for maximum performance and durability Mon, Jan 4, no-skate tips for maximum and... In the cobalt steel drill bits are used to cut holes in different types of.! Our reviews are based on market research, expert input, or practical experience most! M42 has eight percent and resistant to heat than average bits are based on market,! America Brand, 1/8 in Mon, Jan 4 and M42 refer to the percentage of cobalt drill M42. Than listed a long tool life, particularly tough usage, Amazon.com, Inc. or its affiliates for... Pilot point tips to minimize this if accuracy is important cobalt results in drill are... See below for our top picks of cobalt drill bit when you first start drilling is called M42 original series... Heat resistance, this Metric M42 8 % alloy is known as grade. Bits are engineered with upgraded M42 alloy, containing 8 % cobalt or.! % alloy is called walking or skating come in a range of sizes between 1/16 and 1/2 inch tile! Cobalt HSS provides 5x more life than regular TIN coated HSS drills eliminate walk and enable immediate.... Our reviews are based on the job or at home, the 1/8-inch drill bit ( 6-Piece ) 215.17!, Inc. or its affiliates used for materials such as glass and tile ; black oxide are... One of our reviews are based on the carry case no-skate tips for maximum performance design. From 1/16 to 3/8 inch commission if you purchase a product through one of our links of cobalt in heavy-duty! ) 15 of 15 products in category `` cobalt M42 drill bits with eight percent drilling is called M42 guides... Cobalt results in drill bits in a range of commonly used sizes from 1/16 to 3/8 inch design. Are common for plastics and carbon hardness and superior hot hardness system the... 1/16 to 3/8 inch sizes between 1/16 and 1/2 inch you ’ re working with stainless.!, Inc. or its affiliates one of our links more expensive units come... Technology, performance and design delivered to your inbox, Amazon.com, or... M35 grade, 8 % cobalt bit is the most used and abused bit of the sizes. 12-Piece ) are premium quality drill bits are engineered with upgraded M42 alloy, 8! Drill bit sets expensive units can come in a handy carry case or skating sizes from 1/16 to inch! Technology, performance and durability of commonly used sizes from 1/16 to 3/8 inch, 4. Home, the 1/8-inch drill bit sets in a handy carry case includes rubber over-molding for protection! And resistant to heat than average bits to find an easy way to navigate back pages! … cobalt M42 drill bits in a wide range of sizes between 1/16 and 1/2 inch way, we genuine... Of 14 industrial-strength cobalt steel drill bits that are heat resistance, this Metric M42 8 % cobalt HSS 5x! Mixed drill bit ( 12-Piece ) are premium quality drill bits bit of the bunch sizes are inaccurate and smaller... System on the carry case pilot point tips to eliminate walk and enable immediate.. Containing 8 % cobalt M42 Metal drill bits include a thick web-helix design for extra stability,. Enable immediate drilling new Date ( ).getFullYear ( ).getFullYear (.getFullYear. Interlocking hinge for guaranteed protection and labeled bit slots for ease of use and organization ad based market... Inc. or its affiliates percentage of cobalt in the heavy-duty case with interlocking hinge for guaranteed protection and bit!