Top 9 Cobalt Drill Bits 29 – Jobber Drill Bits

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1. Drill America

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DWDCO Series, Drill America, DWDCO29P12 #29 Cobalt Drill Bit Pack of 12

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Drill America #ad - Round shanks allow use with a wide variety of toolholding systems. Ideal for drilling in tough, high tensile strength materials. 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.
BrandDrill America #ad
ManufacturerDrill America #ad
Height2 Inches
Length6 Inches
Width4 Inches
Part NumberDWDCO29P12
ModelDWDCO29P12

2. Drill America

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Drill America, D/A29J-CO-PC 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 - Manufactured to aerospace standard 907 and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. 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.

Round shanks allow use with a wide variety of tool holding systems. Gold oxide finish acts as a lubricant and provides wear resistance. 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. 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. Unique round drill index combines form and function into 1 beautifully designed, easy to carry drill set. Set contains 29 m42 cobalt drill bits sizes 1/16" - 1/2" x 1/64" increments.
BrandDrill America #ad
ManufacturerDrill America #ad
Height2 Inches
Length6 Inches
Weight2.2 Pounds
Width4 Inches
Part NumberD/A29J-CO-PC
ModelD/A29J-CO-PC

3. Drill Hog

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Drill Hog 29 Pc Super Premium Cobalt M42+ Drill Bit Set

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Drill Hog #ad - Lifetime Warranty. Tri-flat shank prevents "Spinning" in the Drill Chuck. 135 degree split Point Prevents "Walking". 1/16" to 1/2" by 1/64th increments Does Not Skip any Sizes. Super premium solid Cobalt M42+ Steel.
BrandDrill Hog #ad
ManufacturerDrill Hog #ad

4. Drill America

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

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Drill America #ad - 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. Set of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments. 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
ModelDWD29J-CO-PC

5. Irwin Tools

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

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Irwin Tools #ad - 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. Cobalt drill Bit Set. 5% cobalt for higher Heat & Abrasion Resistance. 29 piece.
BrandIrwin Tools #ad
ManufacturerIRWIN #ad
Height4 Inches
Length12 Inches
Weight0.35 Pounds
Width7.5 Inches
Part Number3018002
Model3018002

6. BOSCH

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BOSCH CO21B 21 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. Surface-hardened tip – penetrates tough abrasive materials. 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. Standard bits. Cobalt m42 drill bit – provides upgraded m42 cobalt jobber-length bits designed for durability, titanium, cast iron, high heat resistance and Hardened surface for stainless steel, light-gauge metal and aluminum.
BrandBOSCH #ad
ManufacturerBosch #ad
Part NumberCO21B
ModelCO21B
WarrantyProduct Defects Only

7. DEWALT

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

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DEWALT #ad - No bit walking - more user control. Intended to be used on hard metals. Pilot point and split tip design. Designed for maximum speed and life.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height9.88 Inches
Length6.88 Inches
Weight3 Pounds
Width3.69 Inches
Part NumberDWA1269
ModelDWA1269

8. COMOWARE

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

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COMOWARE #ad - Organized holder: set includes the drill bit holder with size index for easy storage and organizing. Particularly successful in cutting through hard metals such as stainless steel, hard plastics and woods, titanium alloy, cast iron, high temperature alloy, and also can be used for softer materials.

Precise 135°split point & twist design: Prevent walking, clear chips and particles faster. Hss with 5% cobalt: durable, Higher Heat & Abrasion Resistance. 29 pieces included: 1/16", 11/64", 13/32", 1/8", 7/32", 7/16", 13/64", 5/16", 15/32", 9/64", 15/64", 3/16", 5/64", 1/4", 25/64", 17/64", 31/64", 11/32", 29/64", 21/64", 3/32", 9/32", 5/32", 23/64", 27/64", 7/64", 19/64", 3/8", 1/2". Professional & widely use: m35 cobalt hss is more suitable for hardened material.
BrandCOMOWARE #ad
ManufacturerCOMOWARE #ad

9. HIDOTOL

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Plastic and Wood with Indexed Round Case, Stainless Steel, 1/16"-1/2" by 1/64" increments, Cast Iron, HIDOTOL Cobalt Drill Bit Set 29 PCS, M35 High Speed Steel Twist Jobber Length Drill Bits for Hardened Metal

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HIDOTOL #ad - Particularly successful in cutting harden metals such as stainless steel, cast iron, titanium alloy, hard plastics and woods, high temperature alloy, and it also can be used for softer materials. Specifications - set of 29pcs jobber length drill bits includes: 1/16", 11/32", 23/64", 27/64", 9/64", 5/16", 5/32", 9/32", 29/64", 3/32", 1/4", 25/64", 1/2", 31/64", 13/64", 19/64", 3/8", 21/64", 15/64", 15/32", 1/8", 7/16", 7/64", 7/32", 13/32", 5/64", 11/64", 17/64", 3/16", by 1/64" Increments.

Characteristics - 135° split point with round straight shank, self-centering prevent walking, make drilling precise and faster. Widely used - m35 cobalt high speed steel is more suitable for tough, high tensile strength material.

Fully ground twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance. 100% satisfaction guarantee - if you are not fully satisfied with our product for any reason, please feel free to contact us, we will try our best to serve you. High quality material - high speed steel M35 Cobalt 5% provide extended tool life compared to ordinary drill bits when drilling hard materials,.
BrandHIDOTOL #ad
ManufacturerHIDOTOL #ad
Height3.5 Inches
Length6.54 Inches
Weight2.82 Pounds
Width4.29 Inches
Part NumberLZ-COBALT-19984