The Best 9Mm Drill Bits of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 9Mm Drill Bits of 2023. Check our ranking below.

2,988 Reviews Scanned

Rank No. #1

9mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO

Cobalt Steel - Manufactured From M35 5% Cobalt Steel, With Molybdenum And Cobalt Added To Creates A Hardened Alloy, Measuring Rockwell Hardness Up To 65, For Much Faster Cutting And Extra Longer Life Span, With Up To 10 Times When Compared with an Average HSS Drill Bit.
HSS Titanium Coating - Classic HSS Construction With Titanium Coating For Capability And Durability. The Cutting Edge Is Hardened And Honed For Sharpness.
Flutes Form - 2 Flutes Form Helps Clear Chips And Debris Away From The Bit, Decreasing Friction And Heat For A Faster, Cooler Drilling Process, Chatter-Free Design With Staggered Cutting Teeth Ensure The Precise Countersinking And Hole Smooth Clean.
Straight Shank And 135° Point Angle - Straight Shank For Standard Drill Chucks And Collet Chuck To Hold Firmly, Assuring Accurate Centering; Helical Flute For Swarf To Easily Get Out; Ideal For General Purpose Drilling Applications.
For Metalworking - Particularly Successful In Cutting Through Hard Metals(Hardness Less Than Hrc38°) Such As Stainless Steel And Cast Iron, Although They Can Be Used For Softer Materials Like Copper And Aluminium, Too. Not For Hardened Steel And High Carbon Steel.

Rank No. #2

uxcell Straight Shank Twist Drill Bits 9mm High Speed Steel 4341 with 9mm Shank 2 Pcs for Stainless Steel Alloy Metal Plastic Wood

Features: Cutting Edge Diameter : 9mm / 0.35"; Shank Diameter : 9mm / 0.35"; Cutting Edge Length: 82mm / 3.23"; Total Length : 125mm / 1.0"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping

SaleRank No. #3

Hymnorq Metric 9mm M35 Grade Cobalt Steel Drill Bit Set of 5pcs with Straight Shank to Cut Cast Iron, Heat-Treated Steel, Stainless Steel and Other Hard Materials

COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
SELF CENTERING - The 135°quick-cut pilot split points are self-centering and can penetrate quickly with less pressure. The bits will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.
5PC METRIC BITS - The set includes 5pcs of 9mm M35 cobalt steel twist drill bits. Well packed in a plastic case for convinient storage. Manufactured to German DIN338 standard.
FOR METALWORKING - Particularly successful in cutting through hard metals(hardness less than HRC38°) such as stainless steel and cast iron, although they can be used for softer materials like copper and aluminium, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
DOWNLOADABLE USER GUIDE - We've summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. In most cases, our customers would get a much better result with these tips. Welcome to download.

SaleRank No. #4

uxcell Straight Shank Twist Drill Bits 9mm High Speed Steel 4341 with 9mm Shank for Stainless Steel Alloy Metal Plastic Wood

Features: Cutting Edge Diameter : 9mm / 0.35"; Shank Diameter : 9mm / 0.35"; Cutting Edge Length: 82mm / 3.23"; Total Length : 125mm / 1.0"; Cutting Direction: Right Hand
High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping

Rank No. #5

Hymnorq 8PC Metric Twist Drill Bits Set, Fully Ground High Speed Steel, DIN338 Standard, 135 Degree Split Point, 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm, for Wood Plastic Iron Aluminum Copper Soft Metals

SPLIT POINT - 135-degree self-centering split pointed tip combines active cutting and perfect centering without wandering. The split-point tip also eliminates any need to pre-punch or pilot drill for up to 10 mm.
PRECISION GROUND - These bits are fully ground so that its cutting diameter is seriously accurate. The lifespan is prolonged in comparison to non-ground alternatives(roll forged bits). A smooth bit surface allows for nice clean holes.
HIGH SPEED STEEL - Made of high-quality high-speed steel for durability and cutting efficiency.
8PC METRIC SET - The drill bit set contains bits sized from 3mm up to 10mm in 1mm increment(3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10 mm). The bits are well packed in a red plastic index case for easy picking, transportation, and storage.
FOR GENERAL USE - Classic twist flute, designed for general drilling in plastic, wood and soft metals like aluminum, iron, etc. It has a cylindrical shank system (shank equal to drill bit diameter) and is intended for use in drill stands and drill drivers.

Rank No. #6

M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs), Straight Shank Jobber Drill Bits, Metal HSS Twist Drill Bits for Stainless Steel Hard Metal and Cast Iron

✅【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.
✅【19PCS METRIC DIRLL BITS SET】The set includes 19pcs of M35 cobalt steel twist drill bits: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7 mm, 7.5mm, 8 mm, 8.5mm, 9 mm, 9.5mm, 10 mm. Organized in a sturdy plastic storage case for easy transport to your workplace.
✅【TWIST DESIGN AND PERFORMANCE】Precise 135° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.
✅【VERSATILE USE】Our M35 Cobalt High-Speed Steel drill bits are ideal for cutting through hard materials like stainless steel, steel, and cast iron, as well as wood, aluminum alloys, and other metals. Please note that they are not suitable for glass or ceramic materials. Pay attention to speed, pressure, and heat control when drilling.
✅【SATISFACTION GUARANTEED】We stand behind the quality of our product. If you have any problems or are not satisfied with our metric drill bit set, please feel free to contact WildBossy for assistance.

Rank No. #7

uxcell Brad Point Drill Bits for Wood 9mm x 68mm Right Turning Carbide for Woodworking Carpentry Drilling Tool

Drilling Diameter: 9mm/0.35"; Total Length: 68mm/2.68"
Shank Diameter: 10mm/0.39"; Drilling Depth: 40mm/1.57"; Turning: Right / Forward
Beveled edge leads to clean drilling of the diameter without any deviation.
The optimized spiral design enables better guidance of the drill from start to finish.
The brad point drill bit is suitable for drilling hardboard, plywood, chipboard and all natural hard and softwood.

Rank No. #8

Tsnamay 9mm Wood Drill Bit 3 Point Woodworking Drill 5pcs

🔹Size:115 x9mm/4.53 x 0.35"(L*W).
🔹Made of high speed steel for durability and extra long life
🔹Precise cutting edges to reduce splintering,Engineered flutes for clean effective chip removal.
🔹Suitable for drilling precise holes in wood, and great for use in doweling
🔹Package included:5pcs x Wood Drill Bit.

Rank No. #9

Cobalt Drill Bit Set, M35 Twist HSS Drill Bits Straight Shank, 2mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron (9mm)

Material - HSS Cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel's high red hardness.
Durable - HSS Cobalt Drill Bit provide strong durable performance compared to typical hss drill bits.
Easy to Carry - The twist drill bits are housed in plastic case for easy storage, easy to carry out homework.
Multi-purpose Use - HSS Drill Bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials.

Rank No. #10

Fisch Brad Point Drill Bits (9mm x 125mm) - Premium Drill Bits for Soft, Hard, Veneered and Laminated Wood, MDF and Acrylic Glass - Beveled Edge for Fast, Easy Cutting - FSF-004073 - Made in Austria

Optimized spurs insure fast and easy cutting of the wood fibers before the hole is drilled
Beveled edge leads to a perfect drilling of the diameter without any deviation
For use in soft, hard, exotic, veneered and laminated wood as well as MDF and even acrylic glass
Made in Austria

Rank No. #11

TA-VIGOR 2pcs 9mm Straight Shank Twist Drill Bit, High Speed Steel M35 Cobalt Twist Drill Bit with 9mm Shank for Drilling Stainless Steel Metal Plastic Wood

【Size & Package】Cutting Edge Diameter : 9mm / 0.35"; Shank Diameter : 9mm / 0.35"; Cutting Edge Length: 82mm / 3.23"; Total Length : 125mm / 4.92"; Package includes 2pcs 9mm straight shank twist drill bit.
【Hard & Durable】 Made of tungsten steel material, the twist drill bits are hard enough, anti-bending and will not fracture easily. The surface coating can better protect the drill bit sets from corrosion and espand their longlife.
【Straight Shank】Round shank is suitable for a wide variety of toolholding systems. Universal flute and overall length allow minimal adjustment during work.
【Double Cutting Edge】 The sharp cutting edge promotes faster as well as preciser drilling. Its spiral flute assure fast heat dissipation, protecting the twist drill bit from high temperature damage and getting rid of glitches or scrap.
【Wide Applications】Our twist drill bits have various sizes and can meet your needs for drilling glass, stainless steel, metal and wood materials, etc.. They can be clamped to manual and electric drilling tools, widely used in household or processing industries.

Rank No. #12

uxcell 9mm Dia HSS Cobalt Straight Round Shank Metric Twist Drill Bit Drilling Tool

Total Length: 125mm / 5"; Shank Diameter: 9mm
Product Name: Twist Drill Bit; Package Content: 1 x Twist Drill Bit
Material: HSS, Cobalt; Flute Length: 68mm / 2.7"
Bit Diameter: 9mm; Weight: 44g
Fearure: Straight Shank; Color: Champagne Color

SaleRank No. #13

uxcell Solid Carbide Drill Bits, 9mm C2/K20 Tungsten Carbide Jobber Drill Bits Straight Shank Drilling Tool for Stainless Steel Aluminum Iron Metal Plastic

Twist Drill Bits: Drilling Diameter: 9mm / 0.354"; Flute Length: 35mm / 1.38"; Overall Length: 65mm / 2.56"; Cutting Hardness (Max.): HRC45. Spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches.
Wide Applications: Widely used for drilling non-ferrous metal, cast iron, stainless steel, aluminum, copper, alloy steel, plastic, wood. Designed with the base substrate without any additional coatings, suitable for wide ranges of applications.
Material: Constructed from medium grain C2/K20 tungsten carbide, the drill bit has good toughness, high hardness (HRA89) and wear resistance. With good milling and cutting performance, can ensure high work efficiency. Carbide tool offers faster cutting speeds than other substrates.
Features: Spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches. Suitable lubricant is conducive to cutting or cooling, making cutting easier, improving smoothness and dimensional accuracy.
Tips: Used on machining centers, CNC lathes. The longer the length of the tool clamped by the chuck, the better. If the clamping length is shorter, you need to lower the feed rate and cutting speed to reduce vibration and extend the tool life.

Rank No. #14

Utoolmart 9mm Twist Drill High Speed Steel Bit HSS-6542 for Steel Aluminum Alloy 1 pcs

【Parameter】- Bit Diameter:9mm / 0.35"; Shank Diameter: 9mm / 0.35"; Cutting Length: 81mm / 3.19"; Total Length: 125mm / 4.92".
【Material】- Twist Drill is made of high speed steel,High speed steel construction is designed for durability and extended tool life.
【Feature】- Nitrogen Oxidation and Heat Treatment can increase the hardness and corrosion resistant of twist drill bit.
【Application】- Perfect for copper, aluminum alloy,as well suit for wood.
【Special Design】- Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance.

Rank No. #15

uxcell High Speed Steel Hex Shank Twist Drill Bit, 9mm Drilling Dia with 1/4 Inch Hex Shank 125mm Length

Specification: Shank: 1/4-inch Hex; Drill Diameter: 9mm / 0.35-inch; Total Length: 125mm / 4.92-inch; Drill Bit Length: 80mm / 3.15-inch; 1 x Twist Drill Bits
Material: Made of high speed steel with dual coating of gold titanium and black nitride for better lubrication, smoother drilling. Increase the hardness of the drill, with good wear resistance and durability.
135-degree Split Point Tip Design: Can drill with less force and good radial stability. Easier chip evacuation, better heat dissipation and increased drill durability.
Application: Suitable for drilling holes in alloy steel, wood, nonferrous metal, cast iron and hard plastics
Quick Change: Compared with the ordinary drill, with a quick change hexagonal handle, handle diameter 6.35mm (1/4 "), fixture is more stable, more convenient to replace.

SaleRank No. #16

uxcell 10PCS 9mm Diamond Coated Hole Saw Drill Bits for Glass Ceramic Tile Marble Rock Porcelain Bottles Pots Brick

SIZE - 9mm(0.35-inch) Drilling Diameter, 6.5mm(0.26-inch) Shank Diameter. The hole saw achieves high precision and smooth cuts without edge breakage, with good toughness and high strength.
DIAMOND COATED - Diamond coating enhances the drilling speed, which makes the bit more sharp.Electroplated diamond is uniform and more wear-resistant.
NICKEL PLATED SURFACE - Nickel plating surface can extend the service life and enhance the surface corrosion resistance. Diamond coating maximizes performance and retains a sharper cutting edge than traditional carbide or bimetal hole saws.
SPECIAL DESIGN - The diamond hole saw with clearance hole facilitates the entry of cooling water and the escape of chips from the drilled hole. Makes the drilling process easier. Not suitable for drilling tempered glass, plastic and wood.
APPLICATIONS - Perfect for drilling glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, light stone and fiberglass. (Need to be used at a low speed; Always use lubrication (water) when processing, otherwise the hole saw will burn.)

Rank No. #17

FOCMKEAS 9mm Twist Drill Bit High Speed Steel 4341 Straight Shank Gold and Black Coated Drilling Bits for Home Improvment DIY, Metal/Wood/Plastic

【Size & Packing】Cutting Edge Diameter : 9mm; Shank Diameter : 9mm/0.35"; Cutting Edge Length: 80mm/3.14"; Total Length : 125mm/4.92". Package：1 piece.
【Material】Premium high speed steel（4341）offer the straight shank tool super hard and tough, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood with long service life.
【Gold & Black Oxide Finish】Quality gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
【Industry Design】Straight shank design is more suitable for many electric drills. The split point tip and twist design increases cutting efficiently while easy self centering prevents walking.
【Application】Drill Bits are successful in cutting hard metals such as stainless steel, copper, iron,brass, aluminum alloy, and can be used for softer materials as well.

Rank No. #18

uxcell 9mm Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 305mm Length for Wood Plastic Aluminum

Specification: Drill Bit Diameter: 9mm / 0.35-inch; Flute Length: 175mm / 6.89-inch; Shank Diameter: 9mm / 0.35-inch; Total Length: 305mm / 12.01-inch; 1 x Lengthened Drill Bits
High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.
Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.
Twisted Design: Split point tip and twist design increases cutting speed while easily self-centering to prevent movement. The twisted design of the drill bit quickly removes drilled chips, then leaving a smooth hole.
Notice: Please keep it cool and gentle when using it, the correct use can greatly extend the life of the twist drill.

Rank No. #19

304 Stainless Steel Stop Bit Collar Set Drill Tool for 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm Diameter Drill Bits 8Pcs by ROOCBIT

Create perfect drill holes of precise, uniform depth in your portable drill applications
Fits the following most popularly used bit sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, and 10mm
The whole is made of 304 stainless steel, with high hardness, corrosion resistance, high temperature resistance and durability, Great for machinery shaft instruments or on woodworking tools as a bit limit ring
The double-hole design has a stronger clamping force than a single hole, and the can be stably locked to the drill bit without offset
Quality assurance for 2 years. We provide 100% satisfaction service, if you have any questions, please kindly feel free to contact us.

Rank No. #20

FOCMKEAS 2 PCS 9mm Twist Drill Bit High Speed Steel 4341 Straight Shank Gold and Black Coated Drilling Bits for Home Improvment DIY, Metal/Wood/Plastic

【Size & Packing】Cutting Edge Diameter : 9mm; Shank Diameter : 9mm/0.35"; Cutting Edge Length: 80mm/3.14"; Total Length : 125mm/4.81". Package：2 pieces.
【Material】Premium high speed steel（4341）offer the straight shank tool super hard and tough, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood with long service life.
【Gold & Black Oxide Finish】Quality gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
【Industry Design】Straight shank design is more suitable for many electric drills. The split point tip and twist design increases cutting efficiently while easy self centering prevents walking.
【Application】Drill Bits are successful in cutting hard metals such as stainless steel, copper, iron,brass, aluminum alloy, and can be used for softer materials as well.

Last update on 2023-08-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best 9Mm Drill Bits?

Do you get stressed out thinking about shopping for a great 9Mm Drill Bits? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 9Mm Drill Bits, which is why we have assembled a comprehensive list of the greatest 9Mm Drill Bits available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 9Mm Drill Bits that you consider buying. Your questions might include the following:

Is it worth buying an 9Mm Drill Bits?
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We’re convinced that you likely have far more questions than just these regarding 9Mm Drill Bits, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 9Mm Drill Bits, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 9Mm Drill Bits. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 9Mm Drill Bits buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 9Mm Drill Bits currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of 9Mm Drill Bits has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 9Mm Drill Bits?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 9Mm Drill Bits.
Customer Ratings: Number ratings grade 9Mm Drill Bits objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 9Mm Drill Bits.
Product Quality: You don’t always get what you pay for with an 9Mm Drill Bits, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 9Mm Drill Bits is should be an indication of how long it will work out for you.

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The Best 9Mm Drill Bits of 2023 – Reviewed and Top Rated

How Do You Buy The Best 9Mm Drill Bits?

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