What Is The Best Drill Bit For Hardened Steel In 2022

There are many different types of drill bits available on the market, and each has its own strengths and weaknesses. If you need to drill through hardened steel, then you’ll need a bit that is specifically designed for this purpose.

Our Top Picks At A Glance

Here is a quick recap of our top 10 picks that lets you compare each phone with another and allow you to choose the best one.

10 Best Drill Bit For Hardened Steel People Love In 2022: In Depth Features

Bestseller No. 1
BeHappy Drill Bit Set 29PCS, M35 Cobalt Drill Bit Set, High Speed Steel Metal Drill Bit Set for Stainless Steel, Hardened Metal, Cast Iron, Wood, Plastic with Indexed Round Case, 1/16"-1/2" by 1/64"
  • 【Drill Bit Set】: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 M35 Cobalt Drill Bit Sets meets all your needs
  • 【Cobalt 5% HSS】: High-Speed Steel M35(Cobalt 5%)cobalt 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
  • 【Characteristics】: The twist drill bit is 135°split point with a round straight shank, self-centering prevents walking, and makes drilling precise and faster. Double back Angle process and full grinding process is adopted fully ground process twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance
  • 【Packaging】: The jobber drill bit set includes a portable bucket that can be hung anywhere or on your waist for easy operation. Whether you're a professional woodworker, handyman, or builder, or you're just taking on the occasional housing project as a relaxing hobby, this barrel-packed metal drill bit set has everything you need
  • 【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
SaleBestseller No. 2
COMOWARE Cobalt Drill Bit Set- 21Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16"-3/8"
  • 21 PIECES INCLUDED: 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".
  • HSS WITH 5% COBALT: Durable, Higher Heat & Abrasion Resistance.
  • PRECISE 135°SPLIT POINT & TWIST DESIGN: Prevent walking, clear chips and particles faster.
  • PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.
  • ORGANIZED HOLDER: Set includes the drill bit holder with size index for easy storage and organizing.
Bestseller No. 3
2/Pack Solid Carbide Drill Bit for Hardened Steel Hard Ness HRa 91.3 Aerospace Standard K20 Tungsten Carbide Jobber Length Twist Drill for Metal 118 Degree Four Facet Point Fractional Size (3/32")
  • ★【Premium Bright Finish 2/Pack】 multi-purpose solid carbide drill bits provide better rigidity than high speed steel bits. It is extremely heat resistant and used for high speed applications. Our tungsten carbide (WC) bits has the advantage of cutting metal either "wet" or "dry" and they provide solutions for many businesses such as aerospace drilling jobs for aircraft mechanics, precision machining, hobby supply, etc.
  • ★【Recommended For Use On】 aircraft metals chrome titanium inconel stainless steel Alloys Steel Low-Medium-High Carbon Steel Aluminum Copper Glass Plastics Composite Materials Cast Iron -- Our Carbide drills stay sharp many times longer than traditional steel bits making them ideal for the toughest of applications!
  • ★【Optimal Design for Metal Work】 118° four facet point angle minimizes drill wander and assures accurately sized holes. Our jobber length, precision ground carbide drills are designed for high feed rates with good chip disposal. smooth finish on the bits increases chip flow. Spiral flutes are constructed with a higher flute angle to remove chips more easily.
  • ★【Specs】 Tungsten Carbide Grade (ISO): K20 / Binder: %8 Cobalt / Hardness: 91.3 HRa / Uncoated / Flute Length: 1 inch, Overall Length: 2 inch, Drill Size: 3/32 inch
  • ★【IMPORTANT, PLEASE READ BEFORE BUYING】 tungsten carbide or cemented carbide is a composite material, although it looks like a metal, it is a composite of Tungsten carbide powder mixed with cobalt as a binder metal and the resulting material is more like a ceramic than a metal. It is a very hard material being a 9 on the Mohs scale where diamond is a 10, quartz a 7 and hard steel around 4.5. Due to its hardness, it will chew down into most anything But that hardness makes them brittle on side lo
SaleBestseller No. 4
Cobalt Drill Bit Set - 13 Piece M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for Hardened Metal & Stainless Steel, Cast Iron, and More!
  • SET OF 13 COBALT DRILL BITS - In the following imperial sizes 1/4", 15/64", 7/32", 13/64", 3/16", 11/64", 5/32", 9/64", 1/8", 7/64", 3/32", 5/64", 1/16"
  • M35, Fully Ground, 135° Split Point - Our Drill Bits Contain 5% Cobalt, Are Fully Grounded for a Precision Drilling Diameter. 135° Split Point Design Makes it Easier to Drill Repeated Holes in Harder Materials.
  • PLASTIC STORAGE CASE INCLUDED - Incredibly Tough and Durable Plastic Case. Perfect for Keeping Your Cobalt Drill Bits Neatly Organized and Safe.
  • 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!
  • LIFETIME GUARANTEE - Here at Owl Tools (USA Based Company) we only care about your satisfaction. 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.
Bestseller No. 5
Lichamp 1/8" HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron
  • UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.
  • 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.
  • MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.
  • SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.
  • 1/8" COBALT DRILL BIT - Round straight shanks, include 10 pack 1/8-inch diameter hss drill bit with well organized clear ps case.
Bestseller No. 6
Lichamp 1/4" HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron
  • UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.
  • 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.
  • MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.
  • SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.
  • 1/4" COBALT DRILL BIT - Round straight shanks, include 10 pack 1/4-inch diameter hss drill bit with well organized clear ps case.
Bestseller No. 7
Lichamp 13PCS HSS Cobalt Drill Bits Set 1/16" to 1/4" with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron
  • UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.
  • 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.
  • MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.
  • SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.
  • 13PCS DRILL BIT SET - Metal index case with size chart for easy bit access and identification. Includes drill bit sizes 1/16-inch to 1/4-inch in 1/64-inch increments.
SaleBestseller No. 8
DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)
  • DEWALT drill bit set has connectable accessory storage system to optimize storage space
  • Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement
  • Clear lid of the Titanium Nitride Coated drill bit set allows you to easily see contents at glance
  • Clip latch for secure closing
  • Small Bulk Storage size fits inside the Small and Medium ToughCase plus (sold separately) - Ideal for organizing loose bits
Bestseller No. 9
JIUWU 13pcs Tungsten Steel Cemented Carbide Twist Drill Bits, Metal Drill YG Alloy Blade, for Stainless Steel Copper Aluminum Zinc Alloy, 3 4 5 6 7 8 9 10 11 12 13.5 14 15mm
  • Material: YG Cemented Carbide + Chrome Vanadium Steel
  • High toughness, abrasion resistance, high-speed cutting for the high hardness.
  • In the process of opening holes to continue to add water for cooling.
  • Size: 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13.5mm 14mm 15mm.
  • Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel.
Bestseller No. 10
NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel Hard Metals Cast Iron, Multi Points Drill Tip with 1/4" Hex Shank for Quick Chucks and Drives, Imperial Sizes 3/32"-1/8"-3/16"-1/4"-5/16"
  • 【High Quality Steel】M35 Cobalt steel precision ground drill bits for extra durability and long lifetime
  • 【Efficient Design】135 Degree split polint two-blades special design drill tip (1/8-inch and larger) for perfect self-centring and fast drilling. Stubby drill bits measures from 1.84 to 2.32-inch only, allow to access to hard-to-reach and tight spaces
  • 【Multi-Purpose Use】Suitable for stainless steel, cast iron, Titanium, bronze, Aluminium and other hardened metals
  • 【Integrated Hex Shank】One piece 1/4-inch hex shank compatible with standard and quick change chucks and drivers
  • 【Popular Sizes】Includes common imperial sizes in 3/32", 1/8", 3/16", 1/4" and 5/16". Packed in storage rail lasered with sizes for easy identification

Things To Consider Before Buying The Best Drill Bit For Hardened Steel

Before choosing a Best Drill Bit For Hardened Steel, you should take the following considerations into account.

1. Which type of drill bit is best for hardened steel? 2. What size drill bit is best for hardened steel? 3. How do I know if a drill bit is the right size for my project? 4. What are the dimensions of a hardened steel drill bit?

Related Frequently Asked Questions

What Kind Of Drill Bit Do You Use For Hardened Steel?

Plymouth,nominal, and taper bit drills are all designed to drill hardened steel.

How Do You Drill Hardened Steel?

Drilling is the process of boring a hole in a metal object by using a bit and a drill. The bit is inserted into the hole, and the drill is turned to create a precise route for the metal pin to pass.

Is Cobalt Or Titanium Drill Bits Better?

There is no definitive answer, as the two metals have different properties that can impact drilling results. Cobalt may be more durable and able to resist wear and tear, while titanium may be more efficient in terms of cutting through rocks. Ultimately, it is up to the individual project owner or contractor to decide which metal they choose for their drills.

Are Cobalt Drill Bits Good For Hardened Steel?

Cobalt drill bits are good for hardened steel because they provide a high-speed impact that causes the steel to fracture.

Takeaway

There are many types of drill bits that can be used for hardened steel, but the most common is theDarwin bit. It is a standard bit that is available in a variety of sizes and shapes.

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