The Best metric drill bits of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best metric drill bits of 2025. Check our ranking below.
2,374 Reviews Scanned
Rank No. #1
Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS, M35 high speed steel, high hardness straight shank drill, mechanical or hand drill for drilling, suitable for stainless steel, iron, copper and aluminum.
- Exceptional Durability: Crafted with 5% Cobalt M35 HSS-CO material, ensuring outstanding wear resistance for long-term stability and reliability in high-intensity work.
- Versatile Multi-Material Application: Designed not only for hard metals but also for tackling stainless steel, cast iron, copper, and aluminum, making it an ideal choice for a variety of work scenarios.
- Professional-Grade Performance: More than just a set of drill bits, it's a professional-level drilling solution designed to tackle various challenges, ensuring efficient and accurate work results.
- Outstanding Heat Resistance: Advanced heat resistance ensures superior performance even in high-temperature environments, guaranteeing excellent results across different working conditions.
- Flexibility and Convenience: With 13 different specifications ranging from 1.5mm to 6.5mm, this drill bit set provides flexible options suitable for various engineering and project needs. The set's design ensures easy portability and convenient use and storage.
Rank No. #2
Hymnorq 15-Piece M35 Cobalt Drill Bit Set, Metric 1.5 to 10mm, 5% Cobalt HSS for Drilling Hard Metal Stainless Steel Cast Iron, Fully Ground Jobber Length Bits with 135° Split Point Tough Indexed Case
- TRUE M35 GRADE COBALT STEEL: Manufactured from premium High-Speed Steel containing 5% Cobalt (HSS-Co), these bits are heat-hardened to cut through tough abrasive materials. They offer significantly higher heat resistance and wear durability compared to standard HSS bits, making them the ultimate choice for drilling into stainless steel, cast iron, and titanium alloys.
- PRECISION 135° SPLIT POINT: Equipped with a 135-degree self-centering split point, these bits bite into the material immediately upon contact. This active cutting tip prevents "walking" or wandering across the work surface and eliminates the need for a pre-punch pilot hole, ensuring accurate and clean starts every time.
- FULLY GROUND & EFFICIENT: Unlike roll-forged alternatives, our bits are fully ground for precise dimension accuracy and concentricity. The precision-engineered dual twist flute design ensures rapid chip removal, effectively reducing friction and heat buildup for a smoother, cooler drilling process.
- 15PC METRIC SIZE COVERAGE: This comprehensive metric set includes 15 essential sizes: 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8, 9, and 10mm. It is a versatile kit suitable for a wide range of projects in metalworking, automotive repair, and general DIY on wood, plastic, aluminum, and hard metals.
- HEAVY-DUTY INDEXED CASE: The bits are housed in a rugged, impact-resistant ABS plastic case with rubberized corners for extra protection. The case features a folding design with clearly marked size indexes (raised lettering) for easy identification, keeping your tools organized, secure, and ready for transport to any job site.
Rank No. #3
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. #4
Hymnorq 8-Piece Metric Twist Drill Bit Set (3mm-10mm) with Indexed Storage Case, Budget-Friendly HSS 4241 Roll-Forged Bits with Anti-Rust Gold Finish for Wood, Plastic & Soft Metals
- ESSENTIAL SIZES & ORGANIZED CASE: Includes 8 frequently used metric whole-number sizes: 3, 4, 5, 6, 7, 8, 9, and 10mm. Neatly organized in a durable, bright yellow plastic indexed storage case for easy transportation, secure storage, and instant size identification.
- BREAK-RESISTANT & HAND-DRILL FRIENDLY: Manufactured using a hot roll-forged process, these bits retain their continuous metal grain structure. This provides superior toughness and flexibility, allowing them to absorb the slight side-loads and wobbles typical of standard hand drills without easily snapping.
- OPTIMIZED FOR SOFT MATERIALS: Crafted from High-Speed Steel (HSS) 4241, these bits are specifically designed for efficient, clean drilling into wood, plastics, PVC, and thin/soft metal sheets like aluminum. (Note: Not recommended for hard steel, thick iron plates, or masonry).
- ANTI-RUST GOLD FINISH: Featuring a decorative gold-toned coating that effectively prevents rust and extends the shelf life of the bits. This protective finish provides excellent corrosion resistance, ensuring your tools stay in great condition while sitting in your garage or toolbox.
- UNIVERSAL FIT & GREAT VALUE: Features a standard 118-degree point angle and straight round shank design for easy, secure attachment to all standard drill chucks. An incredibly cost-effective and reliable choice for general home maintenance, DIY projects, and everyday repairs.
Rank No. #5
MACXCOIP Metric 25Pcs M35 Cobalt Drill Bit Set, 1.0mm-13.0mm HSS Cobalt Jobber Drill Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box
- M35 Cobalt Drill Bit: The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc. Note that it is not applicable to quenched bolts
- Metric Size: The drill bits include 25pcs metric drills: 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, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm, can meet more needs
- Quick and Efficient: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal
- HSS Drill Bit Set: HSS cobalt drill bit set for hardened steel with excellent cutting performance. 19 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling
- Easy Storage: The drill set includes a drill case with size indexes and is packaged in a small package for easy storage and sorting. If you have any questions, please refer to us and we will be happy to help you
Rank No. #6
Cobalt Metric Drill bits Set 1.5mm-6.5mm/13PCS High-Speed Steel Drill bit for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic
- 【Cobalt drill bits Widely applicable】Cobalt drill bits for by are suitable for stainless steel, carbon, steel, cast iron, engineering steel, hard metals, copper, wood suitable for home handicraft scenes and professional work
- 【Rare element cobalt】Metal drill bits with 5% cobalt element improve hardness, high temperature resistance, durability and performance better than conventional drill bits Effectively improve project efficiency Note that it does not apply with glass and ceramics
- 【Good Performance】135% Spiral Double Edge Cutting Sharp Corners Do Not Linger on the Surface, but Advance in a Predetermined Direction
- 【Metric drill bits set】 1.5mm 2mm 2.5mm 3mm 3.2mm 3.5mm 4mm 4.5mm 4.8mm 5mm 5.5mm 6mm 6.5mm A total of 13 round straight steel drills of different diameters, suitable for home handicraft scenes and professional work Small sizes require attention to speed and temperature
- 【Plastic Storage Box】A storage box with size identification, which is easy to carry, choose and store
Rank No. #7
MACXCOIP Metric 13Pcs M35 Cobalt Drill Bit Set, 1.5mm-6.5mm HSS Cobalt Jobber Drill Bits, for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Plastic Index Storage Box
- M35 Cobalt Drill Bit: The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc. Note that it is not applicable to quenched bolts
- Metric Size: The drill bits include 13pcs metric drills: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm, can meet more needs
- Quick and Efficient: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal
- HSS Drill Bit Set: HSS cobalt drill bit set for hardened steel with excellent cutting performance. 19 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling
- Easy Storage: The drill set includes a drill case with size indexes and is packaged in a small package for easy storage and sorting. If you have any questions, please refer to us and we will be happy to help you
Rank No. #8
Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)
- Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
- 3 Steps Design for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.
- This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
- The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
- 19Pcs 135 Degree Split Point Drill Bits Includes :1mm(length:3.4cm) 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm(length:8.5cm) 5.5mm 6mm(length:9cm) 6.5mm 7mm 7.5mm 8mm(length:11.5cm) 8.5mm 9mm 9.5mm 10mm(length:13cm) [DIA 0.5mm Increments] .
Rank No. #9
DEWALT Drill Bit Set, 21 Pc. Titanium Nitride Coated Pilot Point DEWALT Bit Set with Case for Wood, Metal and Plastic (DW1361)
- Titanium Nitride Coating Pilot Point for Longer Life
- Starts on contact for cleaner holes
- No spin shanks
- Tapered web provides greater durability to reduce breaking
- Includes sizes from 1/16-inch to 1/2-inch in a plastic tough case
Rank No. #10
Metric 99 Pieces Titanium Twist Drill Bit Set, 135° Tip High Speed Steel, Size from 1.5mm up to 10mm, Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, with Hard Storage
- PREMIUM MATERIAL: Manufactured from 4241 high speed steel for strength and durability
- STORAGE: Supplied in a plastic storage box for easy storage and transportation
- WIDELY USED: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure, the drill kit meets all your requirements, ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass
- PROCESS TREATMENT: Titanium coated surface prevent rusting,which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life
- INCLUDES: 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
Last update on 2026-05-18 / Affiliate links / Images from Amazon Product Advertising API
How Do You Buy The Best metric drill bits?
Do you get stressed out thinking about shopping for a great metric drill bits? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching metric drill bits, which is why we have assembled a comprehensive list of the greatest metric 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 metric drill bits that you consider buying. Your questions might include the following:
- Is it worth buying an metric drill bits?
- What benefits are there with buying an metric drill bits?
- What factors deserve consideration when shopping for an effective metric drill bits?
- Why is it crucial to invest in any metric drill bits, much less the best one?
- Which metric drill bits are good in the current market?
- Where can you find information like this about metric drill bits?
We’re convinced that you likely have far more questions than just these regarding metric 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 metric 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 metric drill bits. Make sure that you are only using trustworthy and credible websites and sources.
We provide an metric 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 metric 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 metric 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 metric 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 metric drill bits.
- Customer Ratings: Number ratings grade metric drill bits objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their metric drill bits.
- Product Quality: You don’t always get what you pay for with an metric drill bits, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an metric drill bits is should be an indication of how long it will work out for you.
We always remember that maintaining metric drill bits information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.
If you think that anything we present here regarding metric drill bits is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.