Power Tools

The Best Metalworking & Multipurpose Drill Sets

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Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Selecting the right metalworking and multipurpose drill set is crucial for efficient and precise work, whether you're a professional tradesperson or a DIY enthusiast. The quality of your drill bits directly impacts the speed of your project, the finish of your materials, and the longevity of your tools. Investing in a reliable set ensures smoother drilling and fewer frustrations.

No. 1
Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS, M35 high speed steel, high hardness straight shank drill...
  • 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...
No. 2
Hymnorq 15-Piece M35 Cobalt Drill Bit Set, Metric 1.5 to 10mm, 5% Cobalt HSS for Drilling Hard Metal Stainless...
  • 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...
  • 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...
  • 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...
  • 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...
  • 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...
No. 3
Cobalt Drill Bit Set - 29Pcs M35 High Speed Steel Twist Drill Bits for Hardened Metals, Stainless Steel, Cast...
  • M35 Cobalt Drill Bit: Premium High Speed Steel M35 (Cobalt 5%) offers superior heat resistance and greater hardness compared to ordinary drill bits. It can extend the tool's service life when drilling hard materials.
  • 135° Split Point Design: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip with round straight shank, self-centering to prevent walk-off , make drilling precise and faster.
  • Efficient Drilling: Fully Ground twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance.
  • Various Sizes: 29 sets of drill bits include...
  • Widely Used: M35 Cobalt High Speed Steel is more suitable for tough, high tensile strength material. Particularly successful in cutting harden metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods.
  • Set Includes: The set includes 29Pcs (1/16"-1/2") Cobalt Drill Bits, This cobalt drill bit also includes the drill bit holder with size index for easy storage and organizing.
No. 4
COMOWARE Cobalt Drill Bit Set- 115Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless...
  • M35 Cobalt HSS Drill Bit Set - Made of high-speed steel with 5% cobalt for superior wear, heat & abrasion resistance. These cobalt drill bits for hardened steel deliver longer lifespan in stainless steel, cast iron & hard alloys versus standard HSS.
  • Set Includes - The set includes 115Pcs (1/16" to 1/2" in 1/64" increments) Cobalt Drill Bits, This cobalt drill bit also includes the drill bit holder with size index for easy storage and organizing.
  • 135° Split Point HSS Drill Bits - This drill bits set feature self-centering 135° quick-cut tips for effortless penetration with minimal pressure. The twisted shank design efficiently clears metal shavings, making them ideal for materials.
  • Professional & Widely Use - This cobalt drill bit excels in drilling stainless steel, copper, cast iron, aluminum alloy, plastic and wood. Engineered for precision, these drill bits deliver unmatched durability across metalworking applications.
  • 115-Piece Twist Drill Bit Set - Complete selection of 29 fractional sizes (1/16" to 1/2"), 26 letter sizes (A-Z), and 60 numbered bits (#1-#60). These drill bits for steel deliver full-range versatility in metalworking projects.
No. 5
BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Included Case - M42 Metal Drill Bits with Three-Flat Shank for...
  • Enhanced M42 Alloy Material: These drill bits for metal contain an 8% cobalt alloy that delivers 10x life vs. Standard bits
  • Cobalt M42 Drill Bit: Provides upgraded M42 cobalt drill bits, jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
  • Surface-hardened Tip: The Cobalt drill bits for hardened steel penetrate tough, abrasive materials
  • High-heat Resistant Bits: This drill bit set for metal withstands high-temperature applications for extended periods of time
  • Thick Web-helix Design: The BOSCH drill bit set features a thick web-helix design that provides additional stability in tough applications
  • Includes: A versatile drill bit for metal assortment featuring 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", and 1/2" sizes
No. 6
Hi-Spec Drill Bit Set 130pc Multi SAE – 11 Sizes 1/16in to 3/8in – HSS Titanium, Masonry & Brad Point...
  • Complete Drill Bits Collection: 130-piece set provides all the essential bits for drilling into wood, plastic, metal, masonry, concrete, and brick; Ideal for DIY projects, home repairs, and renovation work
  • Enhanced Durability: HSS bits with a titanium coating ensure long-lasting performance in hard DIY materials; Brad Point bits create precise starts in wood and plastic; Masonry bits with tungsten-carbide tips withstand the demands of drilling into brick...
  • Extensive Size Range: Covers 11 SAE sizes from 1/16in to 3/8in, making it versatile for a wide range of drilling applications; Suitable for both everyday and specialized tasks around the home or workshop
  • Organized & Accessible: Neatly stored in a compact, flip-top tray case with labeled compartments for quick identification; The secure metal latch keeps everything in place, ensuring easy access and portability
  • Reliable for All Tasks: Whether you're assembling furniture, mounting fixtures, or working on detailed crafts, this drill bit set equips you with the right tools to handle any job with precision and ease
No. 7
MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal...
  • Various Sizes: 13 sets of drill bits include 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", can meet more needs
  • 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
  • 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. 13 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
SaleNo. 8
Gifts for Men,toolant Cobalt Drill Bit Set for Metal and Steel, Christmas Gifts,Stocking Stuffers for Adults...
  • The DIY Tools-Men won't know they need drill bit set until they have one! This set is GIFTS WRAP AVAILABLE, can be gifted to your loved ones as it reflects a fresh trend with fun and practical. Amazing and Unique tool gifts for men women. The must have...
  • Conquer tough metals with ease!This comprehensive 21-piece set features advanced titanium aluminum nitride coating and robust cobalt construction, delivering unparalleled speed and durability. The revolutionary bullet point tips bite into steel and metal...
  • 21-piece Metal Drill Bits Set for Steel- 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".
  • TiAN Coated for Peak Performance: Harder. Heat-Resistant. Built to Last. Our 89HRC-rated coating keeps the bit cool, ensures a fast cut, and maintains a sharp edge far longer than standard bits.
  • Specifically Crafted Bullet Point: The sharp, self-centering tip is designed to eliminate bit wandering, guaranteeing a precise and accurate start every time. TOOLANT Pro 21-pack is engineered as your ultimate heavy-duty weapon, ready to conquer the most...
SaleNo. 9
Hymnorq 13-Piece M35 Cobalt Drill Bit Set, Metric Sizes 1.5mm to 6.5mm, 5% Cobalt HSS for Stainless Steel...
  • PREMIUM M35 COBALT STEEL – Crafted from High-Speed Steel containing 5% Cobalt (M35 Grade). This hardened alloy ensures superior heat resistance and durability compared to standard HSS bits, measuring up to 67 Rockwell Hardness. Ideal for drilling...
  • PRECISION 135° SPLIT POINT – Features a fully ground 135-degree split point geometry that self-centers immediately upon contact. This active cutting tip penetrates faster with less pressure and eliminates "walking" or wandering across the work surface...
  • 13-PIECE METRIC SELECTION – Includes a carefully selected range of metric sizes for precision work: 1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, and 6.5mm. Note: Includes useful intermediate sizes 3.2mm (approx. 1/8") and 4.8mm (approx. 3/16") for...
  • EFFICIENT & CLEAN DRILLING – The fully ground dual twist flute design ejects chips rapidly, reducing friction and heat accumulation. This preserves the drill bit's life and ensures smooth, accurate holes without burrs, even during heavy-duty continuous...
  • ORGANIZED STORAGE – Comes packed in a labeled, durable plastic index case (marked with HSS-drills). The inner holder tilts out for easy access and keeps bits organized by size, making it perfect for transport to job sites or keeping your workbench tidy.
No. 10
XiBany 3/6pcs Cobalt Drill Bit Set Spiral Screw Metric Composite Tap Drill Bit Tap Twist Drill Bit Set for...
  • Material: High-Speed Steel ; Package Included: AS Shown.
  • Suitable For Drilling And Cut Grooving On Thin Wood Plate, Aluminum Alloy, Plastic Board.
  • High-Speed Steel Material Drill Bits Can Be Stable And Durable.
  • Easy To Install, Suitable For Most Of Electric Drill.
  • Drilling Need Matching With Cooling Liquid, Cooling Liquid Not Included.

Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Metalworking & Multipurpose Drill Sets

Drill Bit Material

The material of drill bits significantly affects their durability and performance. Common materials include High-Speed Steel (HSS), Cobalt, and Carbide.

  • HSS: A versatile and affordable option suitable for general-purpose drilling in wood, metal, and plastic.
  • Cobalt: An alloy of HSS with cobalt, offering superior hardness and heat resistance, ideal for drilling harder metals like stainless steel.
  • Carbide: The hardest material, providing exceptional durability and heat resistance, best for very tough materials and high-volume drilling.

Set Size and Application

Consider the range of sizes and the types of materials you'll be working with. Sets vary in the number of bits and the diameter range they cover.

  • General Use: A set with a broad range of common fractional and metric sizes is suitable for most household and light workshop tasks.
  • Specialized Work: If you frequently drill specific materials like hardened steel or concrete, look for sets designed for those applications, often featuring specialized coatings or bit types.
  • Multipurpose Sets: These often include bits for wood, metal, and masonry, offering flexibility for diverse projects.

Frequently Asked Questions

What is the difference between HSS and Cobalt drill bits?
High-Speed Steel (HSS) bits are standard for many tasks. Cobalt bits are an alloy of HSS with cobalt, making them harder and more resistant to heat, which is crucial for drilling through tough metals like stainless steel.
How do I choose the right drill bit size?
The correct size depends on the fastener or hole you need to create. Always refer to the specifications of the hardware or material you are working with. Most sets include a comprehensive range to cover common needs.
Can I use a metal drill bit for wood?
Yes, metal drill bits can generally be used for drilling wood. However, wood-specific bits often have a sharper point and fluting designed for faster chip removal, resulting in a cleaner hole in wood.
What does 'multipurpose' mean for a drill set?
A multipurpose drill set typically includes bits designed for drilling into various materials such as wood, metal, and masonry. This versatility makes them a convenient choice for users who tackle a wide range of DIY and construction projects.