Dewalt cobalt bits

DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240)

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Description:

The DEWALT DWA1240 14pc Pilot Point Industrial Cobalt Drill Bit Set is designed for maximum speed and life in stainless steel and other hard metals. These bits 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. Set includes: (2) 1/16" bit, (1) 5/64" bit, (1) 3/32" bit, (1) 7/64" bit, (2) 1/8" bit, (1) 9/64" bit, (1) 5/32" bit, (1) 3/16" bit, (1) 7/32" bit, (1) 1/4" bit, (1) 5/16" bit, (1) 3/8" bit

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  • Designed for maximum speed and life
  • Pilot point and split tip design
  • No bit walking - more user control
  • Intended to be used on hard metals
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Drill America 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths), DWDCO Series

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Description:

The Drill America DWD29J-CO-PC Qualtech jobber length drill bit set contains 29 cobalt steel drill bits with gold oxide finish in inch sizes 1/16" to 1/2" (1/64" increments). A self-centering 135-degree split point penetrates hard material without a pilot hole and produces smaller chips that reduce clogging compared to a 118-degree point. 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. A gold oxide finish acts as a lubricant and provides wear resistance, and the round shank accommodates most drill chucks. The set comes in a plastic index case with labeled compartments for identification and organization. Drill bits conform to American National Standards Institute (ANSI) standards.

Drill bits are cutting tools used to make holes in a range of materials using machines such as handheld portable drills, machining centers, and lathes. Drill bits come in a variety of lengths and types, the most common of which is the twist drill bit. The round, twisted shaft of the twist drill bit typically has two cutting edges and flutes. The helical twist of the flutes brings chips up and away from the cutting edges and allows for coolant to reach the cutting edges. Jobber length twist drill bits, the most common length of twist drill bit, offer a good compromise of length and reach to work with the widest range of materials and applications. Mechanic's length twist drill bits (also called maintenance length) are a little shorter than jobber length and less prone to deflection when drilling. Short length twist drill bits (also called stub or screw-machine length) are the shortest and stiffest twist drill bits, helping to reduce the chance of deflection or breakage when drilling. Reduced shank drill bits (also called Silver and Deming drill bits) have a shank that is smaller in diameter than its shaft, permitting drilling machines with either a 1/2" or 3/4" drill chuck to create large holes. Long length twist drill bits (also called taper length) are a little longer than jobber length, allowing for deeper holes and longer reach. Extra long twist drill bits (also called extension) are longer than long length twist drill bits for greater reach or for drilling deeper holes.

Drill America manufactures cutting tools such as drill bits, taps, dies, counterbores, countersinks, end mills, and reamers. The company, founded in 1927, is headquartered in Miami, FL.

What's in the Box?

  • (29) drill bits, sizes 1/16" to 1/2" in 1/64" increments
  • (1) plastic case

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  • Set of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
  • Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
  • Gold oxide finish lubricates the drill bit and provides wear resistance
  • Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
  • Meets ANSI specifications












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29 Pc Cobalt Drill Bit Set M42 HSS 29pc USA Drills Lifetime Warranty Made in USA

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Description:

Drill Hog is proud to release the newest technology in drill bits. These bits are made from Cobalt M42 Steel which has a melting point of 2,853 degrees Fahrenheit!

These bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more! Proudly made in the USA.

Drill Hog includes a Lifetime Warranty to the original purchaser.

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  • Premium Solid Cobalt M42 Super High Speed Steel
  • 1/16" to 1/2" in 1/64th Increments (Does not Skip any Sizes)
  • High Heat Treated Hardness 68-70 HRC (Rockwell Hardness Scale)
  • 135 Degree Split Point Prevents "Walking"
  • Tri-Flat Shank Prevents "Spinning" in Chuck

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IRWIN Industrial Tools 316015 Cobalt Drill Bit Set, 15-Piece

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Description:

15 Piece, Cobalt Pro Drill Bit Set, 1/16" Through 3/8", 135 Degree Split Point To Minimize Walk, 8 Cobalt For Higher Heat & Abrasion Resistance, Heavy Duty Web Construction For Strength & Durability, For Tough Metal Drilling, Including Heavy Duty Abrasive, Alloy Metal Drilling On Hardened Steel, Cast Iron & Stainless Steel, Rugged Storage Case With Rubber Over Mold For Added Impact Resistance & Sliding Latch Design Provides Added Security.

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  • Cobalt steel extends cutting edge life and maintains cutting life after resharpening
  • Extra hard drill for greater wear
  • 135-Degree split point tip starts on contact, cuts with less force
  • Reduced shank above 3/8-Inch allows the use of larger drill bits in a 3/8-Inch chuck
  • Similar cobalt sets available for almost every drilling application
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Migiwata 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) to Cut Through Stainless Steel Cast Iron and Hard Metals

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Description:

M35 Grade Cobalt Steel

Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with certain percent cobalt. The 5-percent alloy is known as M35 grade. The cobalt increases the strength of the steel and makes it more heat-resistant.

For Drilling Stainless Steel

This set of Migiwata M35 cobalt steel drill bits are particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too.

135 Degree Split Point

The flater the drill, the smaller the chip width. This means less force required to remove metal, compared with lower angles like 90 and 118. This is important on hard stuff, because your power requirements are already more than mild steel, so making the chip load less helps. It also reduces heat since less surface area is generating the cut.

Lowest Cost Per Hole Drilled

Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer. With an extended tool life, Migiwata cobalt drill bits will give you the lowest cost per hole drilled.

Not Suggested for Hardened Steel, High Carbon Steel and Steels Blended with Impurities

M35 grade cobalt drill bits are NOT suitable for hardened steel, high carbon steel and heat-treated steel by the experiences of some customers.

Cooling Liquid Required

Please use with cooling liquid to prolong the working life of the drill bits and to avoid overheating and breakage.

About Breakage

Please be careful when you drill holes with shese needle-like small bits. They're more likely to break than larger ones.

BUY WITH CONFIDENCE:

If you're not completely satisfied with the product quality, please contact us. Refund or free replacement.

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  • M35 Cobalt Steel - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
  • No Center Punch Needed - the 135 quick-cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander"
  • For Stainless Steel - Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
  • 50pcs Set - The set includes 50pcs of metric M35 cobalt steel twist drill bits: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 10pcs of each size. These bits are quite small. Please refer to a second product picture.
  • Satisfaction Guaranteed - Here at Migiwata we only care about your satisfaction. We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement.






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Craftsman 9-64085 Professional Cobalt Drill Bit Set, 21 Piece

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Description:

Craftsman, the quality you need and the value you want. A complete offering of bit sets including the highest quality Titanium, Black Oxide and Cobalt materials. Craftsman's specialty kits provide the professional craftsman with the right tool when the job requires it.

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  • 1/16-inch to 3/8-inch drill bit range
  • Includes plastic carrying case
  • Designed for heavy duty use in all metals, including hard metals
  • Split point that drills on contact and eliminates "walking"
  • Ideal for drill presses and stationary machines
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Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits

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Description:

Drill Hog is proud to release the newest technology in 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!

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  • 1/16" - 1/4" by 1/64ths (13 Drills)
  • Solid Cobalt M42 Steel
  • 135 Degree Split Point Prevents the Bit from "Walking"
  • Made by Drill Hog USA
  • Lifetime Warranty

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Bosch 21 Piece Cobalt Metal Drill Bit Set CO21

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Description:

Bosch Cobalt metal drill bits provide 4x longer life than standard high-speed steel drill bits, plus they provide outstanding performance in stainless steel. These have been engineered for contractors and other pros who need solid, reliable bits for demanding drilling applications in stainless, cast iron, and high-density metal. These bits also are useful for general-application drilling in high-carbon steel and light-gauge metal, as well as wood and plastic. The split-point tip has been engineered for no-skate starts and clean, accurate holes. The three-flat shank design on bits 3/16 in. And larger promotes better gripping and guards against slipping.

Includes bits: (2) 1/16", (2) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64", (2) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (2) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

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  • TOUGH: The Bosch CO21 Drill Bit Set is manufactured from cobalt for drilling in hard and abrasive materials such as stainless, cast iron, and high-density metal. Also useful for general drilling in light-gauge metal, wood, and plastic.
  • ACCURACY: Featuring a no-skate split-point tip for clean, precise holes and accurate starts.
  • RELIABLE: The three-flat shank design promotes better grip and guards against slipping on bits 3/16 in. and larger
  • PERFORMANCE: Designed for very high drilling temperatures for superior performance in stainless steel. Bosch Cobalt Metal Drill Bits are solid, reliable, and provide 4X longer life than standard high-speed drill bits.
  • VERSATILITY: Includes laser-etched marking to provide clearly marked bit diameter. Included bit sizes: 1/16 in., 5/64 in., 3/32 in., 7/64 in., 1/8 in., 9/64 in., 5/32 in.,11/64 in., 3/16 in., 13/64 in., 7/32 in., 15/64 in., 1/4 in., 5/16 in., 3/8 in., 1/2 in.



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DEWALT DWA1269 Pilot Point Industrial Cobalt Drill Bit Set (29 Piece)

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Description:

The DEWALT DWA1269 29pc Pilot Point Industrial Cobalt Drill Bit Set is designed for maximum speed and life in stainless steel and other hard metals. These bits 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. Set includes: (2) 1/16" bit, (1) 5/64" bit, (1) 3/32" bit, (1) 7/64" bit, (2) 1/8" bit, (1) 9/64" bit, (1) 5/32" bit, (1) 11/64" bit, (1) 3/16" bit, (1) 13/64" bit, (1) 7/32" bit, (1) 15/64" bit, (1) 1/4" bit, (1) 5/16" bit, (1) 3/8" bit, (1) 7/16" bit, (1) 1/2" bit, (1) 17/64" bit, (1) 9/32" bit, (1) 19/64" bit, (1) 21/64" bit, (1) 11/32" bit, (1) 23/64" bit, (1) 25/64" Bit, (1) 13/64" bit, (1) 27/64" Bit, (1) 29/64" bit, (1) 15/32" bit, (1) 31/64" bit

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  • Designed for maximum speed and life
  • Pilot point and split tip design
  • No bit walking - more user control
  • Intended to be used on hard metals

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8PC HSS Cobalt Silver & Deming Drill Bits Set, Large Size 9/16" to 1", Reduced 1

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Description:

Features: Professional Quality Bits Can Be Used In Any Electric Drill Or Drill Press With A 1/2" Or Larger Drill Chuck . Material: High Speed Steel, Cobalt Coated ; Tri-Flat Shank: 1/2" ; Include Sizes: 9/16" ; 5/8" ;11/16" ;3/4" ;13/16" ;7/8" ;15/16" ;1" ; Storage in Aluminum Carry Case .

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  • 8PC HSS Cobalt Silver & Deming Drill Bits Set, Large Size 9/16" to 1", Reduced 1/2" Shank




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Dewalt cobalt bits