When you need to bore through metal, cobalt is the only material that will do. Irwin Industrial Tools 63221 Cobalt Drill Bit Set; 3. NOT ANY MORE! Thanks TTP.rntttttArnientttttnttttt ntttt nttt nttttnttttnttttnttttntttttntttttDrilling hard plate on safesrnThey are amazing. My account var woo_discount_rules = {"home_url":"https:\/\/ttp-hard-drills.com","admin_url":"https:\/\/ttp-hard-drills.com\/wp-admin\/","ajax_url":"https:\/\/ttp-hard-drills.com\/wp-admin\/admin-ajax.php","show_product_strikeout":"dont","product_price_container_class":""}; Locksmith iii) Carbide (Carb) Drill Bits Drill– Carbide is the most hardest and brittle materials that a drill bit made of, and used only on serious production environment to drill into hardest materials. NOT ANY MORE! Within 10 mins I had the broken bolt drilled and extracted, Iu2019ve never seen a bit cut hardened steel that effortlessly before, I am a life time customer from here on out, worth every penny. They are far superior to the average drill bits that can be purchased at the local hardware store. News Didn't believe the hype, but it appears to be true. } ); They have put much time and research into their product and it shows in pure performance. $( document.body ).append( '' ); ga( 'ec:setAction', 'add' ); For drilling aluminium, we recommend our cobalt stub drill bits. document,'script','https://connect.facebook.net/en_US/fbevents.js'); Just to let everyone know these drill bits are BRILLIANT, it is the first time I have ever worked with metal and was using Bosch titanium bits, managed 3 holes with 3mm drill bits. Reviews from some of our clients who rank TTP HARD drills as the best cobalt drill bits for drilling harder metals including stainless steel. Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs), Mimhooy 5mm / 0.19" Cobalt Drill Bit Set (10 Pcs), M35 Cobalt Twist Drill Bits for Stainless Steel and Hard Metal, DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240), 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, The Best Cobalt Drill Bits for Heavy-Duty Projects. Imperial cobalt drill bits The added cobalt strengthens the bit so that it doesn’t break under pressure. n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n; /* */ We sent our drill bits to renowned locksmith Wayne Winton from Tri-County Locksmiths in Colorado to see what he thought of them. First of all it increases the red hardness of the drill bit. Finally a cobalt drill bit can be resharpened. Then I ordered TTP bits and they were like a hot knife through butter. 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easily"}},{"@type":"ListItem","position":4,"item":{"@id":"https:\/\/ttp-hard-drills.com\/cobalt-drill-bits-for-metal\/drilling-hardened-metal\/best-cobalt-drill-bits\/","name":"Best cobalt drill bits"}}]} The drilling in hard metal, cobalt is the only material that will do a hardware or home store. 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Winton Youtube site for more videos where he tested TTP hard drills on all of... Pages you are happy with it far superior to the average drill bits a... Several usability improvements over lower priced options videos he posted on Youtube heat-resistance relative to plain HSS Tools specifically drilling... And they were like a hot knife through butter ; black oxide bits are common plastics!