Best Metric Drill Bit Set Reviews & Buying Guide

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If you are looking for the metric drill bit set, you should read this article to determine the best ones. We have prepared the best metric drill bit set reviews to assist you in your search.

There were thousands of products to choose from, so narrowing down the drill bit set was extremely difficult.

However, we made every effort to ensure that you received only the finest from our recommendations. Take a look at our listings:

What is a Metric Drill Bits?

Metric drill bits are used in power drill motors to create holes in various materials such as wood, metal, and other materials.

Best Metric Drill Bit Set
Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.
1Hex Head Allen Wrench Drill Bit Set (10pc Metric & 10pc SAE)9.6View On Amazon
2Accusize Industrial Tools 18 Pc Hss Tap and Drill Set9.6View On Amazon
3Makita B-49373 75 PC Metric Drill and Screw Bit Set9.4View On Amazon
430 Piece Hex Head Allen Wrench Drill Bit Set9.4View On Amazon
5Hex Head Allen Wrench Drill Bit Set (24 Pack in Metric & SAE) - Magnetic Tips - Hardened CR-MO Steel Alloy - 2.3" Long9View On Amazon
651-piece Metric Index Drill Bit Set8.8View On Amazon
7Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)8.6View On Amazon
8Amartisan 20-Piece Hex Head Allen Wrench Drill Bit Set8.2View On Amazon
9Amartisan 24-Piece Hex Head Allen Wrench Drill Bit Set8.2View On Amazon
10Metric 99 Pieces Titanium Twist Drill Bit Set8.2View On Amazon

Top 10 The Best Metric Drill Bit Set Reviews

We've included our favorites for the Metric Drill Bit Set after an analysis of a large number of reviews.

1. Hex Head Allen Wrench Drill Bit Set (10pc Metric & 10pc SAE)

A set of twenty hex drill bits is comprised of 10 pieces. The SAE sizes are 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 3/16″, 7/32″, 1 /4″, 5/16″, and 10 pieces each of the metric sizes are 1.5, 2.5, 3, 3.5, 4, 5, 6, 7, 8 mm. The metric sizes are 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8 mm.

High-quality S2 alloy steel that has been heat-treated to a hardness of 58-60 degrees Celsius and has exceptional hardness and torque.

Easy to use magnetic drill bit; laser mark that is clear and easily distinguishable. To assure product precision, CNC machining is used.

Product upgrades include improvements in material, craftsmanship, and packaging. All purchases of this product are eligible for a 90-day free return and exchange policy, as well as a one-year guarantee on the product itself.

2. Accusize Industrial Tools Hss Tap and Drill Set

Metric Tap and Drill Set with 8 pieces. Taps are available in the following sizes: M2.5X0.45, M3.0X0.50, M3.5X0.60, M4.0X0.70, M5.0X0.80, M6.0X1.00, M8.0X1.25, M10.0X1.50, and M12.0X1.75. 3.30mm, 4.20mm, 5.00mm (inches) (inches) (inches) (inches) (inches) (inches) (inches) (inches) (inches).

HSS is completely ground. Exceptional quality The taps look to be of high quality. You can cut clean threads. Drill bits were sharp and did not dull or shatter quickly, unlike other drill bits (I used a drill press).

The storage container is solidly constructed and appropriately labeled for its intended use. The taps are still quite responsive and precise. I have absolutely no regrets about purchasing these drill bits and taps.

3. Makita B-49373 75 PC Metric Drill and Screw Bit Set

A wide range of fastening tools is also available. These include insert and power bits for fastening into stone and wood. This set contains five Phillips, five Pozidriv, five Torx, and five slotted insert bits.

There are three Phillips bits, three Pozidriv bits, four Torx bits, two slotted bits, and four hex power bits in this set.

In this set, you’ll get (19) titanium nitride coated high-speed steel (HSS tin) metal and wood drill bits that vary in size from 1/64″ to 1″. (1 – 8 millimeter).

Four Brad point wood drill bits in a variety of sizes are included (4 – 8 millimeters)

4. 30 Piece Hex Head Allen Wrench Drill Bit Set

An Allen Wrench Drill Bit Set with 30 Hex-Head Pieces. Torque is boosted, and the bit toughness is unmatched, thanks to heated S2 alloy steel bits.

According to testing, drill bits have a maximum torsion force of 180-200 N and a hardness of 60-2 HRC. Bits are kept from breaking or wearing because of their correct hardness and strong torsion.

The tips of 30 bits include magnets so that you can hold screws firmly in place. Rust and corrosion are eliminated with a thoroughly polished, Chrome plated mirror finish treatment.

Bits are made of S2 alloy steel that has been heat-treated to reduce wear. Sockets are made of chrome vanadium steel that has been heat-treated to increase their turning strength.

Hex bits in the metric system, 15 pieces per pack. Using the Hex Head Allen Wrench Drill Bit Set with any normal drill, electric screwdriver, hand screwdriver, and an electric drill is possible.

Used in vehicles, repairs, trucks, engines, motorbikes, computers, cable boxes, toys, interiors, dashboards, appliances, and consumer electronics, among other applications.

5. Hex Head Allen Wrench Drill Bit Set (24 Pack in Metric & SAE)

Made of CR-MO (Chromium Molybdenum) Steel, which is very strong. You can use a standard Drill or Impact Driver on this sort of material.

Because there is no outside covering, we accurately measured each piece for a flawless fit because each Size was laser-measured. In the past, I’ve ordered a piece of furniture and opened the box to discover 100s of screws, all of which must be tightened with a little Allen wrench.

In place of this, picture utilizing your Drill to tighten and assist in assembling your next Ikea-type item. We solely care about your happiness at Owl Tools (a US-based company).

Their goal is to guarantee that each purchase arrives in great condition; however, if for any reason you are dissatisfied, please get in touch with them for a complete refund or replacement.

6. 51-piece Metric Index Drill Bit Set

Metric Index Drill Bit Set 1.0 to 6.0 mm (0.1 mm Increments, 51 Pieces). Titanium Nitride (TiN)-coated high-speed steel (HSS) drill bits.

For drilling holes in wood, metal, plastics, 3D-printed items, walls, and other materials. Each drill bit is stored in an all-metal container that is clearly labeled. Bits with a 118-degree twist are ideal for a wide range of drilling applications.

The following drill bits are included in this metric set: 1.0 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 1.5 mm, 1.6 mm, 1.7 mm, 1.8 mm, 1.9 mm, 2.0 mm, 2.1 mm, 2.2 mm, 2.4 mm, 2.5 mm, 2.6 mm, 2.7 mm, 2.8 mm, 2.9 mm, 3.0 mm, 3.1 mm, 3.2 mm, 3.3 mm,

7. Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

68-70 HRC (Rockwell Hardness Scale) Premium M42 8 percent Cobalt Steel Usually Give the Best Heat, Wear and Chip Resistance and Long Tool Life (Rockwell Hardness Scale).

Cutting Stainless Steel, Aluminum, and Plastic in 3 Steps. Cobalt Drill Bits Typically Run Three to Five Times Faster than Conventional Bits.

Even though Cobalt Drill Bits are more expensive, the cost per hole is the lowest since they can drill many more holes.

Instead of slowly grinding through the material with a blunt drill bit, a sufficiently sharp edge may cut the metal material into long strips of iron chips.

Incorporated in the package are: 19 Pieces 135 Degree Split Point Drill Bits 1mm(length:3.4cm) 1.5 millimeters 2 millimeters 2.5 millimeters 3 millimeters 3 millimeters 4 millimeters 4.5 millimeters 5 millimeters (length:8.5cm) 6mm 5.5mm (length:9cm) 7mm 6.5mm 8mm 7.5mm (length:11.5cm) 8.5mm 9mm 9.5mm ten millimeters (length:13cm) [Diameter in 0.5mm increments]

8. Amartisan 20-Piece Hex Head Allen Wrench Drill Bit Set

The drill bit is composed of high-quality S2 alloy steel and has a durable hardened and tempered design for maximum durability.

The sizes of the 10 piece SAE hex bits are as follows: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, and 8mm.

The sizes of the 10 piece metric hex bits are as follows: 5/64 inch, 3/32 inch, 7/64 inch, 1/8 inch, 9/64 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch.

Hex handle 1/4 inch in diameter is suitable for screwdriver usage and is extensively used for home tool maintenance.

Used in various applications, including autos, repairs, trucks, automobiles, motor vehicles, engines, motorbikes, interiors, dashboards, computers, cable boxed televisions, and other consumer electronics, drill bits may also be found in a variety of other protected components.

9. Amartisan 24-Piece Hex Head Allen Wrench Drill Bit Set

The drill bit is composed of high-quality S2 alloy steel and has a durable hardened and tempered design for maximum durability.

Hex handle 1/4 inch in diameter is suitable for screwdriver usage and is extensively used for home tool maintenance.

Used in various applications, including autos, repairs, trucks, automobiles, motor vehicles, engines, motorbikes, interiors, dashboards, computers, cable boxed televisions, and other consumer electronics, drill bits may also be found in a variety of other protected components.

The sizes of the 12 piece SAE hex bits are as follows: 1.5mm, 1.5mm, 2mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, and 8mm SAE hex bits.

Among the sizes available in this 12 piece metric hex bit set are 5/64 inch, 5/64 inch, 3/32 inch, 3/32 inch, 7/64inch, 1/8 inch, 9/64 inch, 5/32inch, 3/16 inch, 7/32 inch, 1/4 inch, and 5/16 inch.

10. Metric 99 Pieces Titanium Twist Drill Bit Set

For strength and durability, 4241 high-speed steel is used in the manufacturing process. The product is packaged in a clear plastic storage box for simple storage and transit.

All of your needs, including all standard size parameters for Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, are met by this drill kit, which includes the 135° fast cutting tip that automatically centers itself and penetrates swiftly with little pressure.

The titanium coating on the drill bit’s surface prevents corrosion, which increases the hardness of the drill bit and lowers heat accumulation, resulting in a more wear-resistant twist drill bit with longer life.

1.5mm 16piece, 2mm 16piece, 2.5mm 15piece, 3mm 10piece, 3.2mm 10piece, 3.5mm 8piece, 4mm 8piece, 4.5mm 3piece, 5mm 3piece, 5.5mm 2piece, 6mm 2piece, 6.5mm 2piece, 8mm 2piece, 10mm 2piece, 1.5mm 16piece, 2mm 16piece, 2.5mm 15piece, 3mm 10piece, 3.2mm 10piece, 3.5mm 8piece, 4mm 8piece,

Buying Guide

Choosing the correct Metric Drill Bit Set is not simple. Has your mind been spinning between purchasing options?

Metric Drill Bit Set in general, and more particularly, which model to choose? If this is the case, be easy that you are not alone.

Individuals frequently struggle to find the ideal Metric Drill Bit Set for their own. We get the stress that comes with the purchase decision!

Since your presence here, you are clearly interested in Metric Drill Bit Set Reviews.

You've been overwhelmed with information, and you need to find a trusted source that offers solid alternatives before making any conclusions about which product is ideal for your requirements.

Several sources for such information are buying guides or rating websites, word-of-mouth recommendations from friends or family members, online forums where people discuss their own experiences, product reviews available across the internet, and YouTube channels.

Only thorough research can guarantee that you are purchasing a suitable product. However, this is not always simple.

That is why we have compiled a list of the best Metric Drill Bit Set in today's market, on your side, so that you will have no more concerns.

You may be wondering how we came up with the list. How did we come up with this purchasing guide?
  • To begin, our algorithms gathered as much information on these items as possible from reputable sources.
  • We analyzed all collected information using a large volume of data.
  • Then, using industry-standard criteria, our experts graded them according to their quality-to-price ratio, allowing us to choose the best Metric Drill Bit Set now at the moment, available!
The products are not randomly picked. We analyze several factors before compiling a list. Several of the requirements are described in further detail below-

Bit Coating Types

Second, coated bits are usually necessary when drilling through difficult materials. However, not every form of bit coating is capable of completing the operation.

Consider a coating made of stronger materials. This will protect your bit against wear and tear, such as rust or even corrosion.

Regrettably, it does not stop there. Not so simple. Certain compounds are preferred for covering drill bits made of hardened steel.

In the majority of circumstances, these materials rate higher than steel in terms of hardness and stiffness.

Bear in mind that this is the kind of coating you want on the components that will be used on hard surfaces.

As previously stated under materials,' the substances utilized to make drilling bits must be stiffer than the surface being drilled through.

This is a critical quality to check for when purchasing a drill bit from a retailer, even more so in today's competitive market.

Choose bits with TiCN or even black oxide coatings. These goods will perform admirably and last as long as you expect. And it is just what you need from your money.

Flute Design In Bits

On to the next critical feature. There are a variety of flute types available for a variety of bit applications. To begin, you must understand the significance of each category.

Generally, drill bits with unspecified flute designs are available. This implies they are capable of doing almost all common drilling jobs.

On the other hand, special-purpose flute designs are intended for a limited number of accurate drilling jobs.

Personally, after doing much study and testing, I've concluded that when choosing drill bits, there are two primary flute kinds to consider.

They are mostly of the 30-degree flute or parabolic kind. These two primary types are the most often used in drilling operations.

Additionally, you must realize that the parabolic drill flute shape is ideal for undefined applications. That is, the ideal match for drilling softer surfaces and doing other routine drilling chores.

As a result, if you're searching for a drill bit that can handle hardened steel, you should choose for one with a 30-degree flute angle.

Set Components

This may seem trivial, apparent, or superfluous, but drill bits are often offered in sets, and it is critical to understand this before making a purchase.

In most situations, the set includes drill bits in a variety of sizes and shapes. As a result, it is critical to understand the sizes required and the sort of holes you want to drill.

Additionally, the screws you want to use will dictate the set you choose. Ascertain that the package includes the correct kind of bit for your hardened steel drilling operations.

Occasionally, manufacturers would combine bits for distinct purposes into a single set. The good news is that the majority if not all, hardened steel drilling bits can be used to drill through other materials.

Additionally, the number of distinct bits included in a single set should be considered. This is because a larger number of bits in a set equates to a greater number of drilling alternatives.

In other words, having a choice of drilling bits allows you to create holes of varying shapes and sizes.

Styles Of Shanks

The shank is the end of the bit that fits into the drill. They are constantly available in a variety of designs and sizes.

This section of your drill bit is critical and difficult to choose. If you do this incorrectly, you may not even be able to insert the bit into the drill chuck.

There are two distinct shank types in terms of size. You may either have a fixed diameter shank designed for twist drills or a variable diameter shank.

These are primarily used in conjunction with automated machines. The specialty shank or threaded shank is the second kind of shank.

And, as is the case with flute designs, this one is for unique or rather specific machines.

Design Of The Bit Tip

Another critical bit characteristic is the tip design. Certain tip designs may not be ideal for certain applications, such as drilling into hardened steel.

You must appreciate the distinction in the nature of your job. Determine the kind of bit tip to use in each situation.

The most frequently used drill bit tip designs are the V-point, tapered, fishtail, Brad-point, split drill tip, and standard point. Each of these designs has a number of distinct benefits and downsides.

Additionally, the split point tip design is required for drilling through hardened steel or steel alloys. This is because it cuts at angles ranging from 118 to 135 degrees.

Bits With Tapered Ends

Our last point of contention begins with a question. Which drill bit is better for hardened steel, tapered or non-tapered?

This is a simple one and should not, under any circumstances, keep us back. Simply said, a tapered drill bit is superior for nearly all drilling applications.

This also implies that you'll adore them for steel drilling. The argument is that using tapered drill bits provides more grip.

Additionally, the resultant hole is compatible with regularly used screws. This is ideal for your overall working outcome.

That is why our team decided to include this as a factor to consider when buying drill bits.


Durability and reliability go hand to hand. A robust and durable Metric Drill Bit Set will serve you for months and years to come.

Drill Bit Composition

Three types of drill bits are available: high-speed steel, cobalt, and carbide.

  • High-speed steel:(HHS) is a general-purpose drill bit that may be used to drill not just through ferrous metals such as iron or stainless steel, but also through nonferrous metals such as aluminum or brass.

  • Carbide: metal drilling bits are excellent for drilling nonferrous metals such as copper but struggle to bore through ferrous materials such as cast iron.

  • Cobalt: drill bits are intended for use with ferrous metals and perform poorly on nonferrous metals. Because cobalt does not rust or corrode quickly, it is ideal for drilling through strong materials such as steel.

    Bit Composition

    Before we get into the details of the materials that compose the ideal drill bit for punching holes in hardened steel, I want you to grasp something fundamental.

    That is while drilling through a surface, the drill bit should be harder than the substance being drilled.

    In other words, while drilling hardened steel, you'll need even stronger bits. The finest bits for drilling into hardened steel are made of a range of materials and metal alloys.

    Carbides, coated steel, and cobalt are just a few examples. The argument is that less durable materials can only penetrate soft surfaces such as wood and so forth.

    That is why cobalt-based compounds are the most often suggested for drilling through hardened steel.

    Additionally, they can drill easily through different types of steel and stronger materials. Therefore, while selecting the ideal bit for drilling difficult surfaces such as mild steel, tool steel, or hardened steel used in automobiles, firearms, and equipment, it is critical to consider the tool's elements.

    Additionally, ensure that the bit is capable of withstanding the heat and pressure associated with drilling holes in hardened metals and other difficult materials.

  • Frequently Asked Questions (FAQ)

  • Should I Lubricate Drill Bits?

    Yes, drill bits are protected from damage because oil/water lubricates them and cools the drill bit.

  • What Will Happen To A Drill Bit If The Operating Speed Is Too Fast?

    If drill bits get hot while drilling, they will quickly become dull.

  • Is It Better To Drill Fast Or Slow?

    To avoid overheating, it is important to use the right speed for the drill bit. The material will be chewed or torn if you move too slowly. In a hurry, you risk overheating. Drilling slowly is best for drilling through hard materials like steel or metal. At the same time, fast speed is ideal for drilling wood. Just be sure to keep your drill a bit sharp at all times.

  • Why Won’t My Drill Bit Go Through?

    This means that the drill bits were getting worn down. It's important to buy new drill bits.

  • How Do You Drill A Hole Without Splinters?

    To prevent splitting, put some painter's tape over the spot where you're going to drill. Pulling the tape off after drilling is complete.


    The best drill bit for you will depend on what you need. Also, the type of projects you work on has a big impact on what kind of tool you need.

    What makes this the best part is that we were able to review the best products thoroughly thanks to a little expertise and expertise. This makes it a lot easier for you to buy things.

    Also, the most important features for different jobs have been discussed. This should help you know what to look for in drill bits to buy the best Metric Drill Bit Set.

    So, finding the right drill bit for your projects will no longer be a problem. Thanks to our handy experts.
  • Hello. You've come to the right place if you want to learn more about power drills and how to make your home improvement projects go quicker and easier. I'm Jacob P., the founder and content writer of Anyone who needs assistance with a project or has a query about how something works (or doesn't) can count on me to share my expertise.