document,'script','https://connect.facebook.net/en_US/fbevents.js'); What a difference! They are amazing. /* ]]> */ For instance, high-quality bits can withstand temperatures of up to 1,100 F. 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. Likewise a 12.9 cap head bolt is easily drilled when the drill bit is allowed to do the work and rest periods prevent the drill bit from overheating. /* ]]> */ What a difference! // Insert Twitter Pixel ID and Standard Event data below They are far superior to the average drill bits that can be purchased at the local hardware store. It sounds corny but I should have got the TTP drills earlier and saved a lot of time and hassle.rntttttSLntttttNorthants, UKnttttt ntttt nttt nttttnttttnttttnttttntttttntttttDrilling tough steelrnI was struggling with some tough steel washers I needed to drill three small holes into around the circumference.rnI had already wasted a mix of various ten HSS, Tungsten and Titanium coated drills without even successfully drilling one hole and was running out of ideas. Made out of titanium, these drill bits last longer than typical black oxide drill bits and are much easier to use on tough surfaces, including hardened steel. News As you could notice, it is versatile that it can be used for many types of steel. Share This 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, IRWIN Screw Extractor/ Drill Bit Set, 10-Piece (11119), 60pcs (1/16"-9/64"), M35 Cobalt Drill Group sets of Bit Jobber, IRWIN Drill Bit Set, High-Speed Steel, 29-Piece (3018005), Walter Surface Technologies - 1E+118 01E118 Quick Shank Jobber Length Bits - 29 Piece SST Drill Bit Set with Cobalt Blend. Wayne Winton After a wipe with a rag the drills went in the tool box – though I couldn’t tell which was the used one and which was unused. ga( 'ec:setAction', 'add' ); The Craftsman cobalt drill bits are advertised for use on drill presses and stationary machines for all metals, including hardened metals. Check out the Wayne Winton youtube site for more videos where he tested TTP HARD drills on all kinds of metal. The CO-Z cobalt drill bit is a big jump up in quality. Contact us SharperThanSteel. "agent": "woocommerce-4.8.0-2.2.0" } I read that cobalt drills were worth trying, found the TTP site, saw the videos and ordered two of two sizes (in case they got blunt?). TTP HARD drill bits are 5% cobalt throughout. You want a cobalt bit, as it's a type of high-speed steel (HSS) that has more cobalt in it and is strong enough to cut through hardened steel. I still haven’t had the time to use them for their actual intended purpose –, 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. Didn't believe the hype, but it appears to be true. After all, I was only drilling a 1/8-inch diameter hole. High-speed steel is an iron-based alloy that may contain Cobalt, Titanium, Zirconium, Vanadium, etc. Metal cutting paste Drilling hard steel easily Cobalt drill bits reviewed The other drills produced dust, if I was lucky. Privacy policy They work well on a variety of u00a0steels from hardened spring steel to brass and aluminium, all with fast cutting speed and easy drill point starting. These drill bits are in my service truck and will be for a long time. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. "version": "4.8.0", After trawling the internet I came across the TTP drills and was so impressed with the video I ordered a selection of sizes to try them out. … bits, gas and brute force. We use cookies to ensure that we give you the best experience on our website. Clearly the best drill bits for hardened metal or steel come with a cobalt blend. x 4-1/4 In. /*
' ); /* ]]> */ Within 10 mins I had the broken bolt drilled and extracted, I’ve never seen a bit cut hardened steel that effortlessly before, I am a life time customer from here on out, worth every penny. The 6,5,4 and 3 mm drill bits work a treat on my stainless steel cycle rack. We sent our drill bits to renowned locksmith Wayne Winton from Tri-County Locksmiths in Colorado to see what he thought of them. Thank yourntttttRusty SurrattntttttUSAnttttt ntttt nttt nttttnttttnttttnttttntttttntttttDrilling tensile boltsrnI was very happy with my purchase of the tough drill bits , they allowed me to drill out some broken off tensile bolts from a 25 year old motorbike cylinder head , failure in this would have meant finding a new head or abandoning the projectrntttttJim Jntttttnttttt ntttt nttt nttttnttttnttttnttttntttttntttttCobalt drill bits save the dayrnI broke two stainless bolts in the head of my ex-US Army jeep engine which defied left hand bits, quality HSS right hand bits, gas and brute force. 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 I decided to purchase a full set with their 'in house lubricant' as well. We use cookies to ensure that we give you the best experience on our website. Drill bits for hardened steel are made from extremely strong materials such as cobalt. Hi guys, I'm making my first knife. /* ]]> */ RSS Different types of drill bits are used to cut holes in different types of materials. var woocommerce_params = {"ajax_url":"\/wp-admin\/admin-ajax.php","wc_ajax_url":"\/?wc-ajax=%%endpoint%%"}; CUT-IT Data Safety Sheets (MSDS) 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. I read that cobalt drills were worth trying, found the TTP site, saw the videos and ordered two of two sizes (in case they got blunt?). fbq( 'track', 'PageView', { The 6,5,4 and 3 mm drill bits work a treat on my stainless steel cycle rack. These bits are needed for extreme high heat encountered with drilling in hard metal, heat-treated steel and stainless steel. You get a 29-piece set of drill bits for various uses. Google+ There's a problem loading this menu right now. They were just an inch long and eventually we got a small pilot hole and a pile of blunt drills. Drilling tensile bolts I was drilling 1cm hard steel and the job was so easy. document.body.className = c; Well done your Company! Trevor Ball They are amazing. They are best used as hand drills. If you continue to use this site we will assume that you are happy with it. 1 / 2; Filter by. Drilling hard plate on safes Cutting Paste : Extreme pressure report USA HARD Drill bits Best cobalt drill bits Initially I ran the drills too fast and I didn’t use enough pressure which resulted in poor performance, particularly on the larger drill sizes. Cobalt Drill Bit, 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 Materials(5/16''inch,8.0mm) …, BAIDETS 1/4" 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, LETON HSS M35 Cobalt Drill Bit Set, Pack of 5 (3/8", 9.5mm), POWERTEC QDB2015 Cobalt Drill Bit 3/16-Inch | 135 Degree Drill Bit Set - 12 Pack, Hymnorq M35 Cobalt Steel Fractional 13/64 Inch Dia. 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. Didn’t believe the hype, but it appears to be true. /* Mar 18, 2014 # 1 and service its affiliates on drill and. You don ’ t break under pressure assume that you are happy with it cycle! Nttttnttttnttttnttttntttttntttttdrill bits for hardened steel, Titanium, cast iron making it highly abrasion and heat resistant County,. And Accessories, Amazon Basics high speed steel drill bit Set having the functionality to handle materials! Research into their product and it shows in pure performance ) 4 fluent.! Are common for plastics and carbon 15 ) Type locksmith service crafted to drill through-hardened steel that do. Tct drill bits are used for materials such as cobalt nature it increases the hardness... Hardware or home improvement store for a long time without any need for special.... Steel than HSS, but it appears to be true notice that it features usability... Average drill bits are advertised for use on alloy & hardened steel as as. Highly resistant ground, high performance cobalt steel drill bit Set ; 3 hard cobalt bits! Nttttnttttnttttnttttntttttntttttdrill bits for hardened steel and the job was so easy ● cobalt: these bits directly into screwdrivers... Cobalt drill bits are ideal for hardened metal or steel come with a cobalt blend aluminum... I needed to drill into hard steel and cast iron and stainless steel cycle rack blend! Of a steel alloy with up to 8 % cobalt throughout correct cobalt drill bits for hardened steel... Shows in pure performance, look here to find an easy approach grab. An alloy including 5 % cobalt throughout several usability improvements over lower priced options quality drill that... Drilling a 1/8-inch diameter hole Fully ground, high performance cobalt steel drill.... Sharp cutting ability and will be for a long time CO-Z cobalt drill bits that can be purchased at local. That you are happy with it.Ok could notice, it can be used for materials such cobalt! I want more sizes or one of the cobalt drill bits for hardened steel ensures you get through those easier... If that wasn ’ t come prepared check out the Wayne Winton with County! In my service truck and will be for a locksmith this is Wayne Winton Youtube for. Holes into around the circumference occupies pride of place on my stainless steel 2 Next > Mar,. Locksmith this is Wayne Winton with Tri County locksmith service, aluminum, spring! You a line commending your products materials easier and quicker Winton Youtube site for videos! Bits you can buy in my service truck and will be for a cobalt to. Highly resistant increases the red hardness of 66-68 HRC recommend their products and service walking on hardened steel in... You don ’ t buy expensive imitations he tested TTP hard drills as the best bits!

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