It’s made of steel material that gives it a long tool life. Hardness of cobalt permits speeds 30% over regular H.S.S. CLARKE INTERNATIONAL. home drill bits/individual cobalt drill bits, jobber length made of heat resistant cobalt, these drills are especially effective in drilling tough, high tensile strength materials like ph stainless steel, inconel, and titanium. For those looking for good cobalt drill bits that are heat resistance, this Metric M42 8% Cobalt bit is the real deal. $4.99. (28) 28 product ratings - 50 PCS HSS Cobalt Twist Drill Bits HSS-Co For Hard Metal Stainless Steel 1mm-3mm. Cobalt drill bits are safe and handy tools for every DIY enthusiast who require a portable drill bit set with a lot of precision. 1/16 In. Cobalt Drill Bits Cobalt Drill Bits. Product Information. The 5% cobalt alloy is known as M35 grade, 8% alloy is called M42. The cobalt significantly increases heat resistance and allows the drill bit to run at higher temperatures without losing its temper (hardness). The cobalt generally makes up anywhere between 5% and 8% of the material used to produce the drill bit. However, there are two types of bits that share the same popularity because of how effective they are. For drilling aluminium, we recommend our cobalt stub drill bits. • Includes 19 metric drill bits from 1 to 10mm diameters, in increments of 0.5mm Free shipping. Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard 9.2 8.7 9.3 4: KKmoon 15PCS/Set 1.5-10mm Straight Shank M35 Cobalt High Speed Steel HSS Twist Drill 8.8 8.3 For instance, high-quality bits can withstand temperatures of … Cobalt drill bits are HSS bits made of a steel alloy with up to 8% cobalt. Cobalt Drill Bits. Cobalt drill bits withstand high temperature drilling applications for extended periods of time. 1 reviews. Brand. A right compromise between increased tool life and … Great Savings Free Delivery / Collection on many items Select to compare. Cobalt drill bits and sets, for use on alloy, hardened steel, cast iron, titanium and stainless steel. x 3.62 Inch Long Twist Drill Bit Set of 10pcs, Jobber Length and Round Shank, 135 Degree Split Point Heat Resistant for Stainless Steel 4.4 out of 5 stars 46 If you have them might as well use them. The HSS Twist Drill Bit Cobalt is manufactured to DIN 338. Bordo's HSS Cobalt Drill Bits are manufactured from HSS-Co5 steel containing 5% Cobalt. Cobalt heavy duty jobber length drills also available in complete sets, wire gauge number size cobalt drill sets, fractional size cobalt drill sets, and letter size cobalt drill sets, all conveniently stored in a sturdy metal carrying case. Cobalt drill bits are drill bits which contain a percentage of cobalt. FEATURES: Expert Quality, metric-sized high speed steel drills (with 5% cobalt). 15 Pc Cobalt M42 Drill Bit Set HSSCO Drills M-42 Index Bits Lifetime Warranty. Cobalt drills can cost from 1.75 to 2.5 times more than normal HSS drills. Compare (0) 53 of 53 products in category "Cobalt Drill Bits" found. 060232251. 23/64" COBALT HYPER-STEP MECHANIC'S LENGTH DRILL BIT. Also, cobalt has a higher melting point than steel. The front edges cut the material, whilst the spirals remove debris from the hole. More wear resistant than cobalt steel and high-speed steel, carbide-tipped bits maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Fully ground, high performance cobalt steel drill bit, manufactured with 5% cobalt. The Irwin Metric HSS Cobalt Drill Bits are perfect for drilling stainless steel and other high alloys. Industrial Cobalt Drill Bits X Industrial Cobalt Drill Bits. Cobalt drill bits are a combination of a base alloy (usually steel) and a small amount of cobalt. Cobalt Drill Bit. These super cobalt hi-speed jobber length aircraft drill bits feature heavy duty construction to Type J aircraft specifications. 74 Pcs Cobalt Drill Bits Set HSS CO For Drilling Metal Hardened Stainless 7.0 6.5 7.1 Microsoft and partners may be compensated if you purchase something through recommended links in this article. It has a cylindrical shank system (shank equal to drill bit diameter) and is intended for use in drill stands and drill drivers. Manufacturers usually add between 5 and 7% cobalt, but this varies by brand. 1/16" Drill Bit 1/16" Cobalt Drill Bits M42 Drill Hog®12 Pack Lifetime Warranty. Cobalt drill bits definitely last longer than HSS. I've found that for the few and far between times I've needed something better than HSS it's just not worth the expense of inventorying a separate set of drills. The drill bit is wearing and chip resistance thus will keep looking new even after a long time of use. Compare (2) The addition of cobalt to HSS prevents wear for longer life. If you are looking for the best cobalt drill bits, here is Bosch CO14B. That’s why the best cobalt drill bits are mostly used in the industry, and individual users will always be fine with titanium. Cobalt Drill Bits. An indust.. Sort by. Products per page: Sort: View. Toolpak (18) Heller (15) Type. The two most commom percentages are 5% (also known as M35 cobalt bits) and 8% (known as M42 cobalt bits) The more cobalt a drill bit contains the harder the metal you will be able to drill however, the increase in cobalt has a downside in that it makes the drill … 1 / 2; Filter by. x 1-7/8 In. Most known cobalt alloys are M35 and M42. Instead, they are made of an alloy of high-speed steel and cobalt. 9.5 mm 3.2 mm 10.0 mm 10.5 mm 2.5 mm ... Heller HSS-Co Cobalt Twist Drill Bits All Sizes. Rated 5 out of 5 by Digs1 from Amazing drill bits At work we kept burning bits up or braking … What should I look for when buying a drill bit? Product features include: integrated cobalt for maximum protection and durability, and all drill bits are fully ground for superior … Product details. These are the best M42 cobalt drill bits with 8% cobalt. This type of drill is used in high tensile material such as stainless and titanium. or Best Offer. You should look for a drill bit of the right size that will also fit into your tool by shank size and form, voltage, etc. This drill bit set is ideal for anyone searching for tough cobalt drill bits that can bore into hard metal like cast iron, stainless steel, and titanium. Individual Cobalt M42 Drill Bits Sort by Featured Best selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old Drill Hog 1/4" Cobalt Drill Bits M42 1/4" Drill Bit 12 Pack Lifetime Warranty They are made for maximum heat resistance and … Shop drill bits and a variety of tools products online at Lowes.com. Picking between these two drill bits was difficult because they’re both efficient, … Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill. You can read more about the topic in my article comparing black oxide, cobalt, and titanium drill bits . Our cobalt drill bits are made to standard NAS 907 Type J specifications. Individual Drill Bits Filter Products Clear all filters. $56.99. Trend Heller Draper Dart Blue Spot Tools Machine Mart Diameter. Use to drill hard, tough metals, stainless steels, iron based and titanium alloys, and certain plastics. Drill Hog® 29 Pc Cobalt Drill Bit Set M42 Drills 1/16-1/2 … 5/64 In. Individual Cobalt M42 Drill Bits. drills. Hymnorq M35 Cobalt Steel Fractional 13/64 Inch Dia. Find Cobalt drill bits at Lowe's today. the 135 degree split point is self-centering and reduces thrust. Looking for the best drill bit is a task that depends on the kind of job you’re going to do. sizes smaller than 1/16" have the 118 degree … A split point tip starts on contact and eliminates bit walking for helps to increased control. Drill Bit (6) Material. Adding cobalt to the base alloy makes them incredibly hard and durable. Print Built for speed and long life, [Family or Tool Name] powers through hard metals with ease. Brands. Cobalt Drill Bit. They'll stay sharp and last forever if they stay on the shelf! Cobalt bits have increased strength and heat-resistance relative to plain HSS tools. Cobalt drill bits are more resistant to overheating, work well without cooling and stay sharp much longer. These are the cobalt drill bits, and the titanium drill bits.. CO2131. Their 135° split point grinding ensures perfect centring and reduced drilling pressure. Cobalt drill bits are constructed out of stronger materials and are more durable and resistant to heat than average bits. x 2 In. Select to compare. The drill bit is Type N (flute angle) with a 135-degree tip and a diameter tolerance of h8. Free shipping. Metric Drill Bit Set Cobalt Steel, 19 Piece. For use on alloy & hardened steel, cast iron and titanium. Individual Items of Set. For stainless steel, we recommend our TCT drill bits Cobalt steel drills offer higher heat and abrasion resistance, making them more suitable for drilling hardened steel, super alloys, titanium and stainless steel. Instead, cobalt drill bits are generally made from high-speed steel which contains a certain percentage, usually 5% to 8% of cobalt. Product details. DBCHS23. Was: $59.99. 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