Over $50: Expect to spend around this much for a cobalt M42-grade drill bits that offer a long service life. New Bosch 7/32 In. Metric M42 8% Cobalt Twist Drill Bits. Only available in one set size. 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 … These hard-core cobalt bits deliver 10X life vs. standard bits, are jobber length and withstand high-heat … 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. 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. Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with … 8.50 Mm M42 Cobalt Twist Drill Bit (6-Piece) RM 215.17. The more expensive units can come in a set of up to 50 pieces, and they are … The slip of the drill bit when you first start drilling is called walking or skating. Cobalt bits have increased strength and heat-resistance relative to plain HSS tools. These hard-core cobalt bits deliver 10X life versus standard bits, are jobber length and … Drill bits include a thick web-helix design for extra stability during, particularly tough usage. See below for our top picks of cobalt drill bit sets. The Drill America Brand, 1/8 in. 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. For instance, high-quality bits … Cons Indexing on carrying case is difficult to read. Find many great new & used options and get the best deals for Drill Hog® USA 21 Pc Jr Drill Bit Set Inde… Technology, performance and design delivered to your inbox. 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. Carry case includes rubber over-molding for increased protection against drops and damage. $34.89 $ 34. Get the best deals on M42 Cobalt Drill Bits when you shop the largest online selection at eBay.com. 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. These bits are made from Cobalt steel which has a melting point of 2723 Fahrenheit! FREE Shipping by Amazon. X 6 In. Select to compare. 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 19pcs. $12.24. 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. M42 Cobalt Drill Bit (12-Piece) are premium quality drill bits. 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. 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