10 Best Hardened Bits In The Us - Black Friday 2024

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Last Updated - November 22, 2024

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MACXCOIP
MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16"-1/2"

9.7 worth the money

9.3 lasts a long time

8.9 materials Quality

Why we love it

Wide range of sizes for various needs.

Durable and sharp for multiple materials.

Efficient design for faster cutting and drilling.
Main highlights

Comprehensive Drill Bit Set
Various Sizes: 29 sets of drill bits from 1/16 to 1/2 inch, M35 cobalt material, 135-degree point tip, twist design, and HSS Jobber Length.

Versatile Application Range
Ideal for cutting stainless steel, iron castings, copper, aluminum, soft metals, plastics, and wood. Suitable for both soft and hard objects.

Durability and Sharpness
Customers frequently praise the drill bits for their sharpness and durability, particularly in cutting through steel and maintaining their edge over time.
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9.9

Exceptional

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Value for Money

2

Yougfin
YOUGFIN 29 Pieces Carbide Drill Bits, High Speed Steel with Black and Gold Finish, Metal Jobber Drill Bit Set for Hardened Steel, Plastic, Wood with Indexed Storage Case, 1/16 Inch-1/2 Inch

Why we love it

Ideal for drilling wood, plastic, and some lightweight metal materials

High speed steel and gold oxide coating for durability

135 degree split point and twist design for more efficient drilling
Main highlights

【Product Feature】: Twist drills are indicated in sizes. Assortment comes with a combined 29 sizes added：1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8"，25/64"，13/32"，27/64"，7/16"，29/64"，15/32"，31/64"，1/2"
【Multiple Application】：Perfectly suitable for drilling wood, plastic, and some lightweight metal materials. Drill bit holder with size index for easy induction and arrangement, and a portable metal case are both included
【High Quality Material】：Manufactured from high-speed steel and coated in gold oxide, Yougfin twist drill bits are able to withstand friction and heat so you can drill continuously without the bits heating up
【Application & Tip】：Please keep the bit perpendicular to the material during operation to prevent it from breakage. ***Tip***：If you have any questions about Yougfin products, please feel free to contact us
【135-Degree Split Point & Twist Design】：The split point design increases the cutting edge on the tip, and the blunter 135° angle means more of the cutting edge touches the surface sooner. The grooves on the sides of the bits’ twisted shanks will bring metal shavings up and out of the hole as you drill
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9.8

Exceptional

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3

Bosch
BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

15% Off

8.9 Sheerness

8.7 worth the money

8.4 lasts a long time

Why we love it

M42 Cobalt drill bit is designed for durability and resistance to high heat

Contains 8 Cobalt alloy for 10x life compared to standard bits

Withstands high temperatures for extended periods
Main highlights

Thick web-helix design – provides additional stability in tough applications
Surface-hardened tip – penetrates tough abrasive materials
Includes – 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2"
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. Standard bits
Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
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9.5

Excellent

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4

NordWolf
NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals, with 1/4" Hex Shank for Quick Chucks & Impact Drivers, SAE Sizes 3/32"-1/8"-3/16"-1/4"-5/16" in Storage Case

8.2 Precision

8.0 lasts a long time

8.0 worth the money

Why we love it

Precision ground for extra durability

Two blades for perfect self centering

1/4 inch hex shank for compatibility
Main highlights

【Unique Packaging】Packed in special plastic box for easy storage, imprinted with drill bit sizes for easy identification. Sliding clip on backside of box for hanging on pegboards
【Popular Sizes】Includes imperial sizes: 3/32", 1/8", 3/16", 1/4", 5/16"
【Multi-Purpose Use】Suitable for drilling stainless steel and various hardened metals such as cast iron, titanium, bronze, aluminium, etc. All drill bits come with one piece 1/4-inch hex shank compatible with standard and quick change chucks and drivers
【High Quality】M35 Cobalt steel precision ground drill bits for extra durability and long lifetime
【Efficient Design】Stubby drill bits measure from 1.84 to 2.32-inch only, allowing access to hard-to-reach and tight spaces. 135° split point multi-blades drill tip for perfect self-centering and fast drilling
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9.4

Excellent

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5

DEWALT
DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

20% Off

9.9 Simple to take off

9.5 Simple to use

9.5 Durability

Why we love it

Connectable storage system optimizes space efficiently.

Clear lid allows easy content visibility.

Patented design ensures easy bit removal.
Main highlights

Connectable Accessory Storage System
DEWALT drill bit set has a connectable accessory storage system to optimize storage space and a clip latch for secure closing.

Ideal for Metal and Wood Drilling
Perfect for professionals and DIY enthusiasts, suitable for drilling through wood, metal, plastic, and even tire repair.

Praised for Durability and Performance
Customers frequently praise the drill bits for their durability, non-slipping design, and ability to cut through tough materials efficiently.
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9.1

Excellent

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6

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

9.1 worth the money

8.9 Durability

8.9 Sheerness

Why we love it

High quality material: 5 Cobalt HSS.

Durable and strong.

135 split point, gold oxide finish.
Main highlights

Key Features and Benefits
High-quality M35 cobalt steel, 135° split point design for precision, gold oxide finish for smooth chip removal, durable and strong.

Ideal Use Cases
Perfect for drilling through hard metals like stainless steel, cast iron, and titanium alloys, as well as woods and plastics.

Customer Reviews Highlight
Most praised for its durability and ability to easily drill through tough materials without dulling.
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8.9

Very Good

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7

WildBossy
M35 Cobalt Drill Bit Set 20PCS(1/16"-1/2") High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal with Index Storage Case
Main highlights

【TWIST DESIGN AND PERFORMANCE】Precise 135° SPLIT Point, Ti Surface and 3-Flat Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.
【SIZE】1/16x2, 5/64x2, 3/32x2, 7/64x2, 1/8x2, 9/64, 5/32, 11/64, 3/16x2, 7/32, 1/4, 5/16, 3/8, 1/2 inch bits; Comes in plastic storage case for easy storage
【SERVICE】If you have any problem with our metric drill bit set or are not satisfied with the product, please feel free to contact WildBossy.
【PROFESSIONAL AND WIDELY USED】M35 Cobalt High Speed Steel is more suitable for hardening materials. Ideal for cutting stainless steel, steel and cast iron as well as wood, aluminum alloys and other metals. Not suitable for glass or ceramic materials. Pay attention to speed, pressure and heat control when drilling.
【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 12 times.
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8.8

Very Good

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8

BeHappy
BeHappy Drill Bit Set 29Pcs, High Speed Steel Carbide Drill Bits, Twist Jobber Metal Drill Bits for Steel, Hardened Metal, Cast Iron, Plastic, Wood, Indexed Storage Case, 1/16"-1/2", Black and Gold
Main highlights

【Packaging】: The metal drill bit set includes a portable iron case that can be hung anywhere for easy access and storage. Whether you're a professional woodworker, handyman, or builder, or you're just taking on the occasional housing project as a relaxing hobby, this Tin Box 29 metal drill bit set has everything you need
【Material】: High-Speed Steel drill bit set can effectively drill tough and high tensile materials. The metal drill bit is especially suitable for cutting hard metals, such as stainless steel, cast iron, superalloys, titanium alloys, rigid plastics, and wood, It can also be used in soft materials
【Drill Bit Sets】：Includes 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2". This 29 PCS metal drill bit set meets all your needs
【Characteristics】: The jobber drill bit is 135°split point with a round straight shank, self-centering prevents walking, makes drilling precise and faster. Spiral design and full grinding process is adopted fully ground process twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance
【After-sales Service】: BeHappy is a specialized tool product, buyers satisfaction is our most sought goal. If you have any doubts about our products, you can contact us, we are happy to help you solve the problem
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8.7

Very Good

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9

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

40% Off

9.5 Simple to use

9.3 materials Quality

9.3 Sheerness

Why we love it

Easy storage and organization with connectable accessory system.

Clear lid for quick content visibility.

High durability and effectiveness on various materials.
Main highlights

Optimized Storage System
Connectable accessory storage system to optimize storage space of drill bits for wood, metal, or i-beams.

Ideal for Metal Drilling
Perfect for drilling assorted holes in solid steel, hardened steel, and other tough materials with ease.

Superior Drill Bit Quality
Customers praise the durability and efficiency of the cobalt drill bits, especially for handling tough materials like hardened steel.
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8.5

Good

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10

toolant
toolant Cobalt Drill Bit Set for Metal and Steel (Pro), Titanium Aluminum Nitride Coated (TiAlN) with Bullet Point Tip, for Hardened Metal, Stainless Steel, 21pcs 1/16"-1/2"
Main highlights

toolant Cobalt Drill Bit Set Pro - A metal drill bit set for steel and metal. Consisting of 21 titanium aluminum nitride coated cobalt drill bits with bullet point tips, offers exceptional performance specifically for drilling through metal.
Titanium Aluminum Nitride Coating - Increases surface hardness to 89HRC with outstanding heat-resistance, so your drill bit cuts fast and stay sharp.
Specifically Crafted Bullet Point - Sharp and self-centering tip minimize wandering and provides precise and accurate drilling. TOOLANT Pro 21-pack is meticulously engineered to excel in demanding heavy-duty scenarios.
90 Days Warranty - In the event that you are not completely satisfied with your purchase for any reason, please reach out to us, and we will gladly provide a 100% refund or replacement.
21-piece Cobalt Drill Bits Set - Includes metal drill bits: 1/16"(*2), 5/64"(*2), 3/32"(*2), 7/64"(*2), 1/8"(*2), 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 5/16", 3/8", 1/2".
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8.4

Good

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10 Best Hardened Bits In The Us - Black Friday 2024

1

MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16"-1/2"

Why we love it

2

YOUGFIN 29 Pieces Carbide Drill Bits, High Speed Steel with Black and Gold Finish, Metal Jobber Drill Bit Set for Hardened Steel, Plastic, Wood with Indexed Storage Case, 1/16 Inch-1/2 Inch

Why we love it

3

BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

Why we love it

4

NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals, with 1/4" Hex Shank for Quick Chucks & Impact Drivers, SAE Sizes 3/32"-1/8"-3/16"-1/4"-5/16" in Storage Case

Why we love it

5

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

Why we love it

6

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

Why we love it

7

M35 Cobalt Drill Bit Set 20PCS(1/16"-1/2") High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal with Index Storage Case

8

BeHappy Drill Bit Set 29Pcs, High Speed Steel Carbide Drill Bits, Twist Jobber Metal Drill Bits for Steel, Hardened Metal, Cast Iron, Plastic, Wood, Indexed Storage Case, 1/16"-1/2", Black and Gold

9

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

Why we love it

10

toolant Cobalt Drill Bit Set for Metal and Steel (Pro), Titanium Aluminum Nitride Coated (TiAlN) with Bullet Point Tip, for Hardened Metal, Stainless Steel, 21pcs 1/16"-1/2"

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