03 Oct 2020
Top 20 Best Cobalt Drill Bits in 2020
Drill America 29 Piece M42 Cobalt Drill Bit Set in Round Case (1/16″ – 1/2″ X 64ths), D/ACO Series - Round shanks allow use with a wide variety of tool holding systems. Effortlessly grip the set in 1 hand as you would a travel coffee mug or leave it in the cup holder of your truck while on the way to a job. Gold oxide finish acts as a lubricant and provides wear resistance. Unique round drill index combines form and function into 1 beautifully designed, easy to carry drill set. Cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool’s toughness and hardness in high drilling temperatures. Set contains 29 m42 cobalt drill bits sizes 1/16″, 1/2″ x 1/64″ increments. Manufactured to aerospace standard 907 and display high red hardness, permitting speeds up to 30% greater than with conventional m2 high speed steel. When all hands are on deck, hang the drill index on your belt whether you’re in the shop or field. Cobalt drills are effective in drilling tough, high tensile strength materials like stainless steel, inconel, and titanium.
21 Pc Cobalt M42 Drill Bit Set 1/16″ to 1/2″ by 32nds DRILL HOG - Drill hog is proud to release the newest technology in drill bits. These bits are made from cobalt steel which has a melting point of 2723 fahrenheit these bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more this set is known as the “mechanics set” because it contains the most popular sizes. Proudly made by drill hog usa.
Drill America 1/32″ Cobalt Drill Bit (Pack of 12), DWDCO Series - Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools performance is similar to uncoated tools. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Manufactured to national aerospace standard 907. Round shanks allow use with a wide variety of toolholding systems.
Bosch CO2142 15/64 In. x 3-7/8 In. Cobalt Drill Bit - Rigid, thick web design adds stability to bit in tough applications. Available in jobber length, full shank. Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium. Surface hardened to penetrate tough abrasive materials. Withstands high-temperature applications for extended periods of time (up to 1,100 degreef).
IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002) - 5% cobalt for higher heat & abrasion resistance. 29 piece. Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 degree split point to minimize walk. Cobalt drill bit set. Heavy duty web construction for strength & durability.
Bosch CO2154 27/64 In. x 5-3/8 In. Cobalt Drill Bit - Available in jobber length, full shank. Rigid, thick web design adds stability to bit in tough applications. Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium. Withstands high-temperature applications for extended periods of time (up to 1,100 degreef). Surface hardened to penetrate tough abrasive materials.
SPKLINE 10 Pcs High Speed Steel 1/8 Inch Cobalt Drill Bit Set 3.2mm (1/8″) Jobber Length Twist M35 Metal Drill Bit For Stainless Steel And Hard Metal Drill Bit Set - 135-degree split-point tip starts drilling immediately with less force and eliminates walking or skating across the work surface. Very tough drill bit for heavy duty work drilling into stainless steel, light-gauge metal, high-carbon steel, aluminum and alloy steel, cast iron, abrasive alloy metal, other hard metal and hardened steel 4 times life time than normal metal drill bit when drilling into pcb board, plastic, wood, jewelry, sheet metal and normal steel. M35 cobalt drill bits are made from industrial grade high speed steel with 5% cobalt alloy that is heat and abrasion-resistant. 10 pcs 32 mm (1/8″) cobalt drill bit set for precise hole drilling into various material total 65 mm long with 35 mm working length. Straight shank fits with electric and cordless power drill and rotary drill drill bits are packed in a plastic box that is convenient to carry and store.
HSS M35 Cobalt Twist Drill Bits, Pack of 10 (5.5mm, 7/32″) - High efficiency in drilling metals, and stainless steel. Contact seller to get smaller ones. Drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. High quality material high speed steel cobalt m35 cobalt steel best material. Reduce the processing cost per hole.
DEWALT Drill Bit, Pilot Point, Industrial Cobalt, 1/16-Inch (DWA1204) - This bit features a pilot point and split tip design that starts on contact and eliminates bit walking along for more control. Commonly used for drilling into stainless steel, drilling into angle iron, i-beams, and other similar metals. The dewalt dwa1204 1/16″ pilot point industrial cobalt drill bit is designed for maximum speed and life in stainless steel and other hard metals.
DEWALT DWA1206 3/32″ Pilot Point Industrial Cobalt Drill Bit - The dewalt dwa1206 3/32″ pilot point industrial cobalt drill bit is designed for maximum speed and life in stainless steel and other hard metals. Commonly used for drilling into stainless steel, drilling into angle iron, i-beams, and other similar metals. This bit features a pilot point and split tip design that starts on contact and eliminates bit walking along for more control.
Irwin Tools 3016128 Single Cobalt High-Speed Steel Drill Bit, 7/16″ x 5-1/2″ - Made from industrial grade high-speed steel for increased durability 8% cobalt alloy is heat and abrasion-resistant. 135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface. Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. Bit has a straight shank.
DEWALT Drill Bit, Pilot Point, Industrial Cobalt, 1/4-Inch (DWA1216) - Commonly used for drilling into stainless steel, drilling into angle iron, i-beams, and other similar metals. The dewalt dwa1216 1/4″ pilot point industrial cobalt drill bit is designed for maximum speed and life in stainless steel and other hard metals. This bit features a pilot point and split tip design that starts on contact and eliminates bit walking along for more control.
TopLine USA Drill Bits 7/32 M42 Cobalt 4-Pk - These high production grade m42 cobalt jobbers length drills are made with 8% cobalt and are ground from a solid blank. This type of drill is used in high tensile material such as stainless and titanium.
MaxTool 29 Pieces M42 Cobalt Drill Bit Set; Jobber Length 8% Cobalt 136 Deg Split Point Fully Ground 1/16″ to 1/2″ X 64th; BS42G10R029P - 135-degree split point prevents “walking”, reduce logging, and penetrates hard material without a pilot hole. Precision fully ground ensures chips moving smoothly, ultimate accuracy and performace. Sizes range inch sizes 1/16″ (00625) to 1/2″ (05000) in 1/64″ increments. Golden surface finish resists corrosion and increases the hardness of the drill bits. Premium quality 8% cobalt high speed steel m42 (hardness up to hrc68) provides all drills long tool life.
DEWALT Drill Bit, Pilot Point, Industrial Cobalt, 3/8-Inch (DWA1224) - This bit features a pilot point and split tip design that starts on contact and eliminates bit walking along for more control. Commonly used for drilling into stainless steel, drilling into angle iron, i-beams, and other similar metals. The dewalt dwa1224 3/8″ pilot point industrial cobalt drill bit is designed for maximum speed and life in stainless steel and other hard metals.
Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits - These bits are made from solid cobalt m42 steel which has a melting point of 2,723° fahrenheit these bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more. Drill hog is proud to release the newest technology in drill bits.
amoolo Cobalt Drill Bit Set (13 pcs), M35 HSS Metal Drill Bits for Steel, Stainless Steel, Metal and Cast Iron,1/16″-1/4″ - 【Fully ground process & 135° split point】fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance 135° split point with straight shank prevents walking and makes drilling precise and faster no center punch is needed. 【Combo set of 13 sizes】13 most commonly-used sizes (1/16″,5/64″,3/32″,7/64″,1/8″,9/64″,5/32″,11/64″,3/16″,13/64″,7/32″,15/64″,1/4″) to satisfy all your needs this drill bits set fits the majority of power drill currently on the market and come with a portable plastic bag for easy storage and organization. 【90 days warranty】if you are not fully satisfied for any reason, please contact us for 100% refund or replacement. 【m35 cobalt high speed steel】industry grade 6542 high speed steel drill bit set, harder than 4241 hss used in other similar drill bits set these drill bits also contain 5% cobalt, which increases wear-resistance and durability. 【Multiple application】perfectly suitable for cutting hard metal such as stainless steel, steel and cast iron as well as wood, aluminum alloy and other softer metals × not for glass or ceramic materials ×not for high carbon steel and heat-treated steel √ pay attention to speed, pressure and heat control during drilling.
TopLine USA M42 Cobalt #21 Drill Bits 4-Pk - These high production grade m42 cobalt jobbers length drills are made with 8% cobalt and are ground from a solid blank. This type of drill is used in high tensile material such as stainless and titanium.
DEWALT Drill Bit, Pilot Point, Industrial Cobalt, 1/2-Inch (DWA1232) - The dewalt dwa1232 1/2″ pilot point industrial cobalt drill bit is designed for maximum speed and life in stainless steel and other hard metals. Commonly used for drilling into stainless steel, drilling into angle iron, i-beams, and other similar metals. This bit features a pilot point and split tip design that starts on contact and eliminates bit walking along for more control.
Drill Hog 115 Pc Drill Bit Set Cobalt M42 Fractional Letter Number - These bits are made from cobalt m42 steel which has a melting point of 2,723 fahrenheit these bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more tired of not having the right bit for the job did you know there are “in-between” sizes between the regular fractional sizes this complete master drill index solves the problem this set includes fractional sizes, letter sizes, and number (wire gauge) sizes all on one set drill hog includes a lifetime warranty to the original purchaser. Drill hog is proud to release the newest technology in drill bits.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.