Top 10 Cobalt DRILL Bit Set – Jobber Drill Bits

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

DEWALT #ad - Intended to be used on hard metals. Designed for maximum speed and life. No bit walking - more user control. Pilot point and split tip design.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height8.75 Inches
Length8.75 Inches
Weight0.8 Pounds
Width1.74 Inches
Part NumberDWA1240



Stainless Steel, COMOWARE Cobalt Drill Bit Set- 13Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16"-1/4"

COMOWARE #ad - Professional & widely use: m35 cobalt hss is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, hard plastics and woods, high temperature alloy, cast iron, titanium alloy, and also can be used for softer materials.

Organized holder: set includes the drill bit holder with size index for easy storage and organizing. 13 pieces included: 1/16", 3/16", 13/64", 5/64", 5/32", 11/64", 7/64", 1/8", 15/64", 9/64", 3/32", 7/32", 1/4". Precise 135°split point & twist design: Prevent walking, clear chips and particles faster. Hss with 5% cobalt: durable, Higher Heat & Abrasion Resistance.
ManufacturerCOMOWARE #ad

3. Drill America


1/2" X 64ths, DWDCO Series, Drill America 29 Piece M35 Cobalt Drill Bit Set in Round Case 1/16"

Drill America #ad - 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. Meets anSI specifications. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging.
BrandDrill America #ad
ManufacturerDrill America #ad
Weight2.2 Pounds
Part NumberDWD29J-CO-PC



Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal 1mm-10mm/19pcs

STROTON #ad - This cobalt drill bit is typically capable of running three to five times Faster. Despite the higher price, the cost per hole when Using Cobalt Drill Bit Will be the Lowest, Since It Can Produce So Many More Holes.

19pcs 135 degree split point drill bits includes :1mmlength:3. 4cm\1. 5mm\2mm\2. 5mm\3mm\3. 5mm\4mm\4. 5mm\5mmlength:8. 5cm\5. 5mm\6mmlength:9cm\6. 5mm\7mm\7. 5mm\8mmlength:11. 5cm\8. 5mm\9mm\9. 5mm\10mmlength:13cm DIA 05mm Increments. Premium m42 8% cobalt steel, 68-70 hrc rockwell hardness Scale, Usually Give the Best Heat, Wear and Chip Resistance and Long Tool Life.3 steps desigh for cutting through Stainless Steel, Hard Metals, Aluminum, Plastic. The sufficiently sharp bit edge can cut the metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
BrandSTROTON #ad
ManufacturerSTROTON Ltd #ad
Part NumberM42 Cobalt-8(19pcs)

5. CO-Z


CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

CO-Z #ad - Non-walking drill tip provides fast and smooth drills on steel sheets, wood board, aluminum sheets, plastic board etc. Please mark the spot that you are to drill for easier drilling and improved drill bits life. Chuck sizes. Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come. The board must be smaller in thickness than the height of step drill bits. All the bits come in a well-organized case for easy transport and storage.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Height6.1 Inches
Length4.33 Inches
Width1.57 Inches
Part NumberCO-Z SDB-0000
ModelCO-Z SDB-0000



Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set

BOSCH #ad - Standard bits. Cobalt m42 drill bit – provides upgraded m42 cobalt jobber-length bits designed for durability, titanium, high heat resistance and Hardened surface for stainless steel, cast iron, light-gauge metal and aluminum. Surface-hardened tip – penetrates tough abrasive materials. Thick web-helix design – provides additional stability in tough applications. Enhanced m42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. High-heat resistant bits – withstand high-temperature applications for extended periods of time.
BrandBOSCH #ad
ManufacturerBosch #ad
Part NumberCO14B
WarrantyProduct Defects Only



15-Piece 316015, Cobalt, IRWIN Drill Bit Set

IRWIN #ad - Extra hard drill for greater wear. Cobalt steel extends cutting edge life and maintains cutting life after resharpening. Extra hard drill for greater wear.

Reduced shank above 3/8-inch allows the use of larger drill bits in a 3/8-Inch chuck. 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. Similar cobalt sets available for almost every drilling application. 135-degree split point tip starts on contact, cuts with less force. Cobalt steel extends cutting edge life and maintains cutting life after resharpening.
BrandIRWIN #ad
ManufacturerIRWIN #ad
Height11.06 Inches
Length10.25 Inches
Weight0.4 Pounds
Width10.94 Inches
Part Number316015

8. Hymnorq


Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 50pcs in 5 Sizes1, 2.5, 2, 1.5, 3mm for Stainless Steel Cast Iron and Hard Metals

Hymnorq #ad - The other small ones are 118°. These bits are quite small. Manufactured to German DIN338 standard. 50pc set - the set includes 50pcs of metric m35 cobalt steel twist drill bits: 1mm, 1. 5mm, 2mm, 2. 5mm, 3mm. Please refer to the picture including a size chart.

M35 cobalt steel - manufactured from m35 cobalt steel, for much faster cutting and extra longer life span, measuring Rockwell hardness up to 67, with molybdenum and cobalt added to creates a hardened alloy, with up to twelve times when compared with an average HSS drill bit. Welcome to download. Will not "walk" or "wander". Downloadable user guide - we've summed up some tips of drilling metals, based on our reviews and some articles on the internet. Point angle - the 3mm bits are 135° split pointed, which is self-centering and will penetrate quickly with less pressure.

Try to adjust the RPM when it fails to penetrate. Not for hardened steel / high carbon steel. 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. In most cases, including a RPM chart for several common metals, our customers would get a much better result with these tips. Packed in a plastic bag.
BrandHymnorq #ad
ManufacturerHymnorq #ad
Weight0.18 Pounds
Part Number43398-34609



IRWIN Drill Bit Set, 29-Piece 3018002, M35 Cobalt Steel

IRWIN #ad - 29 piece. Heavy duty web construction For Strength & Durability. Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk. 5% cobalt for higher Heat & Abrasion Resistance. Cobalt drill Bit Set.
BrandIRWIN #ad
ManufacturerIRWIN #ad
Height4 Inches
Length12 Inches
Weight4.5 Pounds
Width7.5 Inches
Part Number3018002

10. Drill Hog


21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG

Drill Hog #ad - Tri flat shank - 3 flat sides on Shank Prevents "Spin" in the Chuck. Solid cobalt M42 Steel. 1/16 to 1/2" by 1/32nds includes Steel Case with Pop Up Tiers. Lifetime Warranty. 135 degree split Point Prevents "walking".
BrandDrill Hog #ad
ManufacturerDrill Hog #ad
Weight1 Pounds
Part Number21M42GB