Top 10 Cobalt Drill Bits – Jobber Drill Bits

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1. DEWALT

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

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DEWALT #ad - Intended to be used on hard metals. No bit walking - more user control. Pilot point and split tip design. Designed for maximum speed and life.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height8.75 Inches
Length8.75 Inches
Weight0.8 Pounds
Width1.74 Inches
Part NumberDWA1240
ModelDWA1240

2. BOSCH

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Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set

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BOSCH #ad - High-heat resistant bits – withstand high-temperature applications for extended periods of time. Standard bits. Surface-hardened tip – penetrates tough abrasive materials. Enhanced m42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Cobalt m42 drill bit – provides upgraded m42 cobalt jobber-length bits designed for durability, cast iron, high heat resistance and Hardened surface for stainless steel, titanium, light-gauge metal and aluminum. Thick web-helix design – provides additional stability in tough applications.
BrandBOSCH #ad
ManufacturerBosch #ad
Part NumberCO14B
ModelCO14B
WarrantyProduct Defects Only

3. Drill America

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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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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. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Meets anSI specifications. Gold oxide finish lubricates the drill bit and provides wear resistance.
BrandDrill America #ad
ManufacturerDrill America #ad
Weight2.2 Pounds
Part NumberDWD29J-CO-PC
ModelDWD29J-CO-PC

4. COMOWARE

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1/16"-3/8", COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Cast Iron and Wood Plastic with Indexed Storage Case, Stainless Steel

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COMOWARE #ad - 100% satisfaction guarantee: if you are not 100% satisfied with your purchase for any reason whatsoever simply please feel free to contact us. Twist design & performance: precise 135°split point, gold oxide finish and round straight shanks.

High quality material: 5% cobalt high Speed Steel M35 provide extended tool life compared to ordinary drill bits. Size included: 15pcs jobber length drill bit set with plastic storage case including sizes:1/16" 2pc, 7/64" 1pc, 7/32" 1pc, 3/16" 1pc, 5/64" 1pc, 5/16" 1pc, 9/64" 1pc, 1/4" 1pc, 1/8" 2pc, 3/32" 2pc, 5/32" 1pc, 3/8" 1pc. Professional & widely use: m35 cobalt hss is more suitable for hardened material.

Prevent walking, clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly. Durable and strong. Particularly successful in cutting through hard metals such as stainless steel, hard plastics and woods, cast iron, titanium alloy, high temperature alloy, and also can be used for softer materials.
BrandCOMOWARE #ad
ManufacturerCOMOWARE #ad

5. amoolo

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Stainless Steel, Metal and Cast Iron,1/16"-1/4", M35 HSS Metal Drill Bits for Steel, amoolo Cobalt Drill Bit Set 13 pcs

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amoolo #ad - Not for glass or Ceramic Materials. 90 days warrantyif you are not fully satisfied for any reason, please contact us for 100% refund or replacement. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability. Not for high carbon Steel and Heat-Treated Steel.

Multiple applicationperfectly suitable for cutting hard metal such as stainless steel, steel and Cast Iron as well as Wood, Aluminum Alloy and Other Softer Metals. Combo set of 13 sizes13 most commonly-used sizes 1/16", 7/64", 7/32", 3/32", 5/64", 3/16", 1/8", 5/32", 15/64", 9/64", 13/64", 11/64", 1/4" to satisfy all your needs. M35 cobalt high speed steelindustry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. Pay attention to speed, pressure and heat control during drilling.

Fully ground process & 135° split pointfully 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. 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. No center punch is needed.
Brandamoolo #ad
Manufactureramoolo #ad
Height0.3 Inches
Length6.4 Inches
Width8.4 Inches

6. Drill Hog

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

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

7. Hymnorq

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

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Hymnorq #ad - Packed in a plastic bag. Try to adjust the RPM when it fails to penetrate. 50pc set - the set includes 50pcs of metric m35 cobalt steel twist drill bits: 1mm, 2. 5mm, 2mm, 1. 5mm, 3mm. The other small ones are 118°. Please refer to the picture including a size chart.

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. Downloadable user guide - we've summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. These bits are quite small. Manufactured to German DIN338 standard. Welcome to download. M35 cobalt steel - manufactured from m35 cobalt steel, for much faster cutting and extra longer life span, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, with up to twelve times when compared with an average HSS drill bit.

Not for hardened steel / high carbon steel. In most cases, our customers would get a much better result with these tips. 10 each metric drills in popular hobbyist sizes at low price. Point angle - the 3mm bits are 135° split pointed, which is self-centering and will penetrate quickly with less pressure.
BrandHymnorq #ad
ManufacturerHymnorq #ad
Part Number43398-34609

8. IRWIN

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

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IRWIN #ad - 29 piece. Cobalt drill Bit Set. 5% cobalt for higher Heat & Abrasion Resistance. Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk. Heavy duty web construction For Strength & Durability.
BrandIRWIN #ad
ManufacturerIRWIN #ad
Height4 Inches
Length12 Inches
Weight4.5 Pounds
Width7.5 Inches
Part Number3018002
Model3018002

9. Drill America

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Drill America 29 Piece M42 Cobalt Drill Bit Set in Round Case 1/16", 1/2" X 64ths, D/ACO Series

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Drill America #ad - When all hands are on deck, hang the drill index on your belt whether you're in the shop or field. Gold oxide finish acts as a lubricant and provides wear resistance. Set contains 29 m42 cobalt drill bits sizes 1/16" - 1/2" x 1/64" increments.

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. Round shanks allow use with a wide variety of tool holding systems. Manufactured to aerospace standard 907 and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

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. Cobalt drills are effective in drilling tough, high tensile strength materials like stainless steel, Inconel, and titanium.
BrandDrill America #ad
ManufacturerDrill America #ad
Height2 Inches
Length6 Inches
Weight2.2 Pounds
Width4 Inches
Part NumberD/A29J-CO-PC
ModelD/A29J-CO-PC

10. Hymnorq

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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

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Hymnorq #ad - Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Cobalt steel - manufactured from m35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, extremely heat resistant; for much faster cutting and extra longer life span, measuring rockwell hardness up to 67, with up to twelve times when compared with an average HSS drill bit.

Must be used and operated at proper RPMs for maximum efficiency. Well organized in a plastic indexed storage case for easy transport to your worksite. For metalworking - particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too.

Downloadable user guide - we've summed up some tips of drilling metals, based on our reviews and some articles on the internet. 13pc metric bits - the set includes 13pcs of m35 cobalt steel twist drill bits: 1. 5mm, 5mm, 5. 5mm, 4. 8mm, 3. 2mm, 4mm, 3. 5mm, 2. 5mm, 6mm, 4.
BrandHymnorq #ad
ManufacturerHymnorq #ad
Height2.76 Inches
Length5.12 Inches
Weight0.28 Pounds
Width0.59 Inches
Part NumberDC023