Top 10 Cobalt Drill Bit Set 29-Piece – Jobber Drill Bits

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1. Drill America


1/2" X 64ths, D/ACO Series, Drill America, D/A29J-CO-PC 29 Piece M42 Cobalt Drill Bit Set in Round Case 1/16"

Drill America #ad - 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, Inconel, high tensile strength materials like stainless steel, and titanium.

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. Unique round drill index combines form and function into 1 beautifully designed, easy to carry drill set. 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.

Set contains 29 m42 cobalt drill bits sizes 1/16" - 1/2" x 1/64" increments. 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.
BrandDrill America #ad
ManufacturerDrill America #ad
Height2 Inches
Length6 Inches
Weight2.2 Pounds
Width4 Inches
Part NumberD/A29J-CO-PC

2. Irwin Tools


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

Irwin Tools #ad - 5% cobalt for higher Heat & Abrasion Resistance. Cobalt drill Bit Set. 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. 29 piece.
BrandIrwin Tools #ad
ManufacturerIRWIN #ad
Height4 Inches
Length12 Inches
Weight0.35 Pounds
Width7.5 Inches
Part Number3018002

3. Drill America


DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case 1/16", 1/2" X 64ths, DWDCO Series, Drill America

Drill America #ad - Meets anSI specifications. Set of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Gold oxide finish lubricates the drill bit and provides wear resistance. Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials.
BrandDrill America #ad
ManufacturerDrill America #ad
Weight2.2 Pounds
Part NumberDWD29J-CO-PC



29-Piece DWA1269, Pilot Point, DEWALT Drill Bit Set, Cobalt

DEWALT #ad - Pilot point and split tip design. Designed for maximum speed and life. Intended to be used on hard metals. No bit walking - more user control.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height9.88 Inches
Length6.88 Inches
Weight3 Pounds
Width3.69 Inches
Part NumberDWA1269

5. Owl Tools


Perfect Drill Bits for Metal, 29 Piece M35 Cobalt Drill Bits with Storage Case, and More!, Cast Iron, Hardened & Stainless Steel, Cobalt Drill Bit Set

Owl Tools #ad - Perfect for keeping Your Cobalt Drill Bits Neatly Organized and Safe. 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.

Lifetime guarantee - here at owl tools usa based company we only care about your satisfaction. Set of 29 cobalt drill bits - in the following imperial sizes 1/16", 1/4", 31/64", 15/32", 5/16", 13/32", 15/64", 7/64", 19/64", 1/8", 3/16", 7/16", 5/32", 11/32", 13/64", 5/64", 9/64", 25/64", 9/32", 17/64", 11/64", 29/64", 27/64", 3/32", 7/32", 23/64", 21/64", 3/8", 1/2". Plastic storage case included - incredibly Tough and Durable Plastic Case.

M35, 135° split point - our drill bits contain 5% cobalt, fully ground, are fully Grounded for a Precision Drilling Diameter. Cobalt drill bits are the perfect drill bits for metal - As well as other hard materials such as Stainless Steel, Hardened Steel, Cast Iron, Bronze, Titanium, and More!. 135° split point design makes it Easier to Drill Repeated Holes in Harder Materials.
BrandOwl Tools #ad
ManufacturerOwl Tools #ad
Part NumberCobalt-Drill-Bits-29-Imperial



1/2" in Metal Case, 29pcs HSS Jobber Length Cobalt Drill Bits Set 1/16"

OXTUL #ad - Professional & diy use: for use on metal, wood & plastics, stainless Steel, Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.

135 tip & twist design: increases cutting speed with self-centering and prevents walking, clears chips and particles faster. Hardness: 5% cobalt drill bits’ Rock wall Hardness Level HRC 65-66. Size:1/16", 7/64", 3/8", 11/32", 3/16", 19/64", 17/64", 5/64", 11/64", 1/8", 15/32", 9/32", 7/16", 23/64", 3/32", 5/16", 25/64", 31/64", 13/64", 13/32", 27/64", 7/32", 29/64", 1/4", 21/64", 15/64", 5/32", 9/64", 1/2". Cobalt drill bits: classic 5% cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability.
BrandOXTUL #ad
ManufacturerOXTUL #ad

7. CaRoller


CaRoller Drill Bit Set 29-Piece M35 Cobalt Steel Metal Drill Bits Durable Round Shank Drill Sets for Steel, Wood Plastic Sheet Metal – Includes Practical Cup-Type Holder

CaRoller #ad - Practical and portable: say goodbye to constantly losing or misplacing your drill bits! the caroller drill bit set for metal comes with an ergonomic and portable cup-type round carrying case with built-in clip, this cobalt drill bit set easily drills through a wide variety of materials including stainless steel, easily attaching to your tool belt and keeping your bits within immediate reach! Versatile functions: featuring 135-degree split point with round straight shank, high temperature alloy, titanium alloy, fully ground twist design ensuring a cooler drilling performance by decreasing friction, cast iron, an intelligent self-centering design which prevents walking, hard plastics and wood.

The set comes with: 1/16", 3/32", 11/32", 7/32", 3/16", 1/8", 13/32", 3/8", 17/64", 15/32", 11/64", 13/64", 5/32", 31/64", 15/64", 21/64", 7/64", 19/64", 9/64", 1/4", 5/64", 27/64", 25/64", 23/64", 5/16", 9/32", 7/16", 29/64", 1/2" bits.

Heavy duty construction: this drill bit sets made with hss cobalt durable material and amber coating which ensures long-lasting use and superior wear resistance! Convenient size variety: this 29-piece m35 drill bit set includes everything you need for a user-friendly experience that suits all your needs. A must for professionals: whether a professional wood worker, handyman or construction worker, or you simply enjoy the occasional house project as a relaxing hobby, the CaRoller metal drill bits for steel are an excellent assortment for ensuring perfect holes and plugs!.
BrandCaRoller #ad
ManufacturerCaRoller #ad
Height3.5 Inches
Length6.7 Inches
Width3.5 Inches
Part NumberHSD919



BOSCH CO21B 21 Pc. Cobalt M42 Drill Bit Set

BOSCH #ad - High-heat resistant bits – withstand high-temperature applications for extended periods of time. Enhanced m42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Thick web-helix design – provides additional stability in tough applications. Case Type:Plastic. Cobalt m42 drill bit – provides upgraded m42 cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, titanium, cast iron, light-gauge metal and aluminum. Standard bits. Surface-hardened tip – penetrates tough abrasive materials.
BrandBOSCH #ad
ManufacturerBosch #ad
Part NumberCO21B
WarrantyProduct Defects Only

9. Drill America


Drill America, 1/2" x 64ths, KFD Series, KFD29J-PC 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case 1/16"

Drill America #ad - Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. High-speed steel HSS provides hardness for wear resistance. Comes in a plastic storage case. Black and gold oxide finish resists corrosion and increases the hardness of the drill bit. Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments.
BrandDrill America #ad
ManufacturerDrill America #ad
Height3.5 Inches
Length7 Inches
Weight2.08 Pounds
Width3.25 Inches
Part NumberKFD29J-PC



Cast Iron and Wood Plastic with Metal Indexed Storage Case, Stainless Steel, COMOWARE Cobalt Drill Bit Set- 29Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, 1/16"-1/2"

COMOWARE #ad - Professional & widely use: m35 cobalt hss is more suitable for hardened material. Hss with 5% cobalt: durable, Higher Heat & Abrasion Resistance. Particularly successful in cutting through hard metals such as stainless steel, cast iron, hard plastics and woods, titanium alloy, high temperature alloy, and also can be used for softer materials.

Precise 135°split point & twist design: Prevent walking, clear chips and particles faster. 29 pieces included: 1/16", 3/8", 27/64", 7/16", 9/32", 23/64", 19/64", 1/8", 21/64", 5/64", 3/32", 15/32", 7/64", 13/32", 17/64", 13/64", 9/64", 5/32", 11/32", 15/64", 3/16", 5/16", 7/32", 11/64", 31/64", 1/4", 25/64", 29/64", 1/2". Organized holder: set includes the drill bit holder with size index for easy storage and organizing.
ManufacturerCOMOWARE #ad