_stq.push([ 'clickTrackerInit', '150208986', '298' ]); "Cobalt drill bits are most suitable and best drill bits for drilling into stainless steel and hardened steel." n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n; R. Scott Martin I also used the TTP drill cutting paste which now occupies pride of place on my workbench. 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?). What a difference! var et_pb_motion_elements = {"desktop":[],"tablet":[],"phone":[]}; Didn’t believe the hype, but it appears to be true. For use on alloy & hardened steel and cast iron. I was drilling 1cm hard steel and the job was so easy. Twitter They are far superior to the average drill bits that can be purchased at the local hardware store. Commonly it is cobalt included. For drilling aluminium, we recommend our cobalt stub drill bits. Hello there….I just thought I’d drop you a line commending your products. I have used the TTP-HARD-drills and personally feel they are some of the highest quality drill bits I have ever used. Drilling tough steel Best Drill Bits for Hardened Metal or Steel. We sent our drill bits to renowned locksmith Wayne Winton from Tri-County Locksmiths in Colorado to see what he thought of them. jQuery && jQuery( function( $ ) { Cobalt drill bits and sets, for use on alloy, hardened steel, cast iron, titanium and stainless steel. I also used the TTP drill cutting paste which now occupies pride of place on my workbench. The drill bit hardness rating is impressive, bring an overall hardness of 66-68 HRC. What a difference! I was struggling with some tough steel washers I needed to drill three small holes into around the circumference. This is basically the drill bits ability to withstand high temperatures. Videos Well done your Company!rntttttTrevor Ballntttttnttttt ntttt nttt nttttnttttnttttnttttntttttntttttDrilling hardened steelrnBest drill bits Iu2019ve 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. Cobalt drill bit accessories Cobalt drill bits reviewed Drilling exhaust manifold studs They were just an inch long and eventually we got a small pilot hole and a pile of blunt drills. Assembled Width (cm): 17.50 cm. Thank you Max-Craft 1/4" Inch 10Pcs M35 HSS Cobalt Drill Bit Jobber Length HSS Co HSSE Twist Drill Bit 135 Point Angle Split Point, Drilling Steel, Metal, Iron, Aluminium, Copper, Plastic. fbq('track', 'PageView', []); This is one of the best drill bits for hardened steel, one that is designed for high demanding jobs. 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 work well on a variety of  steels from hardened spring steel to brass and aluminium, all with fast cutting speed and easy drill point starting. You will need to use a slower speed, plenty of lubricants, and steady consistent pressure to … These bits are needed for extreme high heat encountered with drilling in hard metal, heat-treated steel and stainless steel. [CDATA[ */ 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. This time, you'll notice that it … fbq( 'track', 'PageView', { I have used the TTP-HARD-drills and personally feel they are some of the highest quality drill bits I have ever used. About us DRILLFORCE (10 Pcs) 3/16 in. 0 Items }, false ); Cutting Paste : Extreme pressure report t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window, HARD Drill bits It used to frighten me when drilling stainless steel. n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0; }); "agent": "wordpress-5.6-2.2.2" Cobalt Drill Bit, Viking Drill and Tool 44150 SP-29 Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set (29 Piece), 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, 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 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, 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, 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, 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, JIUWU 13pcs Tungsten Steel Cemented Carbide Twist Drill Bits, Metal Drill YG Alloy Blade, for Stainless Steel Copper Aluminum Zinc Alloy, 3 4 5 6 7 8 9 10 11 12 13.5 14 15mm, 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", BAIDETS Cobalt Drill Bit Set 13Pcs, M35 High Speed Steel Twist Jobber Drill Bit Set, For Hardened Metal, Stainless Steel, Cast Iron And Wood Plastic, 1/16"-1/4" With Metal Storage Case, CHEW STEEL TOOLS 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, 29pcs HSS Jobber Length Cobalt Drill Bits Set 1/16" - 1/2" in Metal Case, LudoPam 1/8 Inch Cobalt Drill Bit Set, M35 HSS Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron, Pack of 10, IRWIN Drill Bit Set, Cobalt, 15-Piece (316015), IRWIN Drill Bit, Cobalt, Reduced Shank, 1/2-Inch x 6-Inch (3016032), Mimhooy 3.2mm / 1/8" Cobalt Drill Bit Set (10 Pcs), M35 Cobalt Twist Drill Bits for Stainless Steel and Hard Metal, DEWALT DW1263 14-Piece Cobalt Pilot Point Drill Bit Set, Bosch CO2145 9/32 In. var monarchSettings = {"ajaxurl":"https:\/\/ttp-hard-drills.com\/wp-admin\/admin-ajax.php","pageurl":"https:\/\/ttp-hard-drills.com\/cobalt-drill-bits-for-metal\/drilling-hardened-metal\/best-cobalt-drill-bits\/","stats_nonce":"4ed36a9a93","share_counts":"317ef02cdf","follow_counts":"9900d1ca22","total_counts":"be30e3740d","media_single":"0512c011e1","media_total":"e2db021afb","generate_all_window_nonce":"4c84bd74ea","no_img_message":"No images available for sharing on this page"}; Locksmith, Tri County Locksmiths, Colorado, USA. 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 ‘, I was very happy with my purchase of the tough drill bits , they allowed me to drill out some, I broke two stainless bolts in the head of my ex-US Army jeep engine which defied left hand bits, quality HSS right hand. HSS COBALT Drill Bits, Jobber Length, Straight Shank, Metal Drill,Ideal For Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. I was drilling 1cm hard steel and the job was so easy. Locksmith Trevor Ball These cobalt drill bits are incredibly warmth immune, gauged as with the ability of standing up to temperatures of up to 1100 levels Fahrenheit. I have used the TTP-HARD-drills and personally feel they are some of the highest quality drill bits I have ever used. This is Wayne Winton with Tri County Locksmith Service. They are amazing. Buy Now The 6,5,4 and 3 mm drill bits work a treat on my stainless steel cycle rack. 23. Drilling stainless steel 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 hardness testing twq('track','PageView'); The 5% cobalt alloy is known as M35 grade, 8% alloy is called M42. } catch ( e ) { I 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. High-speed steel is an iron-based alloy that may contain Cobalt, Titanium, Zirconium, Vanadium, etc. It is a bit set having the functionality to handle hardened materials. Facebook The other drills produced dust, if I was lucky.rnI also used the TTP drill cutting paste which now occupies pride of place on my workbench.rnTTP may sell tough products but I found them anything but tough to deal with, communications were excellent and the drills arrived on time and well packaged. /*
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