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Best Extra Long Drill Bits for Steel of 2026

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Jennifer Fraser

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Extra long drill bits for steel are a useful tool for those who need to drill deep holes in metal. With their extended length, they can reach areas that standard drill bits cannot, making them ideal for jobs that require precision and accuracy. These drill bits are made from high-quality materials and are designed to withstand the rigours of drilling through tough steel surfaces. They come in a range of sizes and are suitable for both professional and DIY use. Whether you are a mechanic, engineer or DIY enthusiast, these extra long drill bits are an essential addition to your toolkit.

At a Glance: Our Top Picks

Top 10 Extra Long Drill Bits for Steel

sourcing map HSS Extra Long Drill Bits

sourcing map HSS Extra Long Drill Bits Cover

sourcing map HSS(High Speed Steel) Extra Long Twist Drill Bits, 6mm Drill Diameter 300mm Length for Hardened Metal Woodwork Plastic Aluminum Alloy 2 Pcs

The sourcing map Extra Long Bits are designed for precision and durability. With a 6mm diameter and a length of 300mm, these high-speed steel drill bits are perfect for various materials including non-ferrous metals and hard plastics. Their twisted design enhances cutting accuracy and helps prevent displacement during use, making drilling easier and faster. Additionally, the robust HSS construction ensures a longer drilling life, giving you reliable performance for both professional and DIY projects.

9.8
FTB Score

What We Like

  • Long-lasting high-speed steel
  • Improved cutting accuracy
  • Suitable for various materials
  • Avoids drill bit displacement
  • Convenient for DIY and professionals
#TOP 2

sourcing map HSS Extra Long Twist Drill Bits

sourcing map HSS Extra Long Twist Drill Bits Cover

sourcing map HSS(High Speed Steel) Extra Long Twist Drill Bits, 6mm Drill Diameter 200mm Length for Hardened Metal Woodwork Plastic Aluminum Alloy 2 Pcs

The sourcing map Twist Drill Bits are designed for precision and durability. Their high-speed steel construction ensures a longer drilling life, making them reliable for heavy use. With a twisted design, the drill bits improve cutting accuracy by centring the tip, reducing the risk of displacement during work. This feature also aids in faster removal of debris, enhancing your efficiency. Suitable for various materials, including non-ferrous metals and hard plastics, these bits are ideal for both professional and DIY projects.

9.7
FTB Score

What We Like

  • Durable high-speed steel material
  • Improved cutting accuracy
  • Efficient debris removal
  • Versatile for multiple materials
  • Suitable for various drilling equipment

sourcing map HSS Extra Long Twist Drill Bits

sourcing map HSS Extra Long Twist Drill Bits Cover

sourcing map HSS(High Speed Steel) Extra Long Twist Drill Bits, 4mm Drill Diameter 160mm Length for Hardened Metal Woodwork Plastic Aluminum Alloy 2 Pcs

The sourcing map Twist Drill Bits are designed for precision and durability. With a diameter of 4mm and a length of 160mm, these high-speed steel bits are ideal for drilling through non-ferrous metals, hard plastics, and more. Their twisted design enhances cutting accuracy, ensuring the drill bit stays centred and reduces displacement during use. Additionally, the high strength and hardness of the material contribute to a longer drilling life, making these bits a reliable choice for both professional and DIY projects.

9.5
FTB Score

What We Like

  • High-speed steel construction
  • Improved cutting accuracy
  • Suitable for various materials
  • Longer drilling life
  • Works with multiple drill types
#TOP 4

sourcing map Extra Long Twist Drill Bits

sourcing map Extra Long Twist Drill Bits Cover

sourcing map HSS(High Speed Steel) Extra Long Twist Drill Bits, 3mm Drill Diameter 160mm Length for Hardened Metal Woodwork Plastic Aluminum Alloy 2 Pcs

The sourcing map Twist Drill Bits are crafted from high-speed steel, ensuring a longer lifespan and greater durability. Their twisted design enhances cutting accuracy, allowing you to centre the tip for precise drilling. This feature also helps in removing debris more effectively, making your drilling process smoother. With a diameter of 3mm and a length of 160mm, these bits are perfect for working with non-ferrous metals and hard plastics, providing versatility for both professional and DIY applications.

9.3
FTB Score

What We Like

  • Durable high-speed steel construction
  • Improved cutting accuracy
  • Effective debris removal
  • Versatile for various materials
#TOP 5

sourcing map Extra Long Twist Drill Bits

sourcing map Extra Long Twist Drill Bits Cover

sourcing map HSS(High Speed Steel) Extra Long Twist Drill Bits, 5mm Drill Diameter 200mm Length for Hardened Metal Woodwork Plastic aluminum alloy 2 Pcs

The sourcing map Twist Drill Bits feature a 5mm diameter and an impressive 200mm length, making them ideal for drilling through hardened metals, hard plastics, and aluminium alloys. Made from high-speed steel, these bits provide exceptional strength and longevity, ensuring they withstand rigorous use. The twisted design enhances cutting accuracy, reducing the risk of displacement while efficiently removing debris. Suitable for both professional and DIY applications, you can use them with various drilling equipment, such as electric hand drills and bench drills.

9.3
FTB Score

What We Like

  • High-speed steel construction
  • Twisted design for accuracy
  • Versatile for different materials
  • Long length for deep drilling
  • Suitable for various drill types

sourcing map 8mm Extra Long Twist Drill Bit

sourcing map 8mm Extra Long Twist Drill Bit Cover

sourcing map 8mm Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 300mm Length for Wood Plastic Aluminum

The sourcing map Extra Long Drill is designed for versatility and efficiency. With a diameter of 8mm and an impressive length of 300mm, this high-speed steel drill bit allows you to access hard-to-reach areas where standard drills struggle. Its twisted design enhances cutting speed and ensures the drill self-centres, making it easier for you to create precise holes. Additionally, the bit's high hardness and durability mean that it will provide a long service life, making your drilling tasks more efficient.

9.1
FTB Score

What We Like

  • High-speed steel construction
  • Extended reach for difficult areas
  • Twisted design for smooth drilling
  • Durable and long-lasting
#TOP 7

sourcing map HSS Extra Long Drill Bits

sourcing map HSS Extra Long Drill Bits Cover

sourcing map HSS(High Speed Steel) Extra Long Twist Drill Bits, 4mm Drill Diameter 160mm Length for Hardened Metal Woodwork Plastic Aluminum Alloy 6 Pcs

The sourcing map Extra Long Bits are designed for precision drilling in various materials, including non-ferrous metals and hard plastics. With a diameter of 4mm and a length of 160mm, these high-speed steel drill bits ensure durability and longer drilling life. Their twisted design enhances cutting accuracy, allowing you to centre the tip effectively while reducing debris build-up. Ideal for both professional and DIY projects, these bits are compatible with a range of drilling equipment, ensuring versatility in your tasks.

9.1
FTB Score

What We Like

  • Durable high-speed steel construction
  • Improved cutting accuracy
  • Versatile for various materials
  • Compatible with multiple drill types
  • Longer drilling life
#TOP 8

sourcing map HSS Extra Long 8mm Twist Drill Bits

sourcing map HSS Extra Long 8mm Twist Drill Bits Cover

sourcing map HSS(High Speed Steel) Extra Long Twist Drill Bits, 8mm Drill Diameter 200mm Length for Hardened Metal Woodwork Plastic Aluminum Alloy 2 Pcs

The sourcing map HSS Drill Bits are made from high-speed steel, which makes them harder and extends their drilling life, so you get reliable performance over time. Their 8mm diameter and 200mm length make them perfect for working on materials like hardened metal, wood, plastic, and aluminium alloys. The twisted design centres the tip for better cutting accuracy and helps you avoid drill displacement. Plus, it quickly clears debris, making your work smoother and more efficient. These bits are suitable for both professional and DIY projects, especially with non-ferrous metals and hard plastics.

9.1
FTB Score

What We Like

  • Durable high-speed steel
  • Accurate twisted tip design
  • Suitable for various materials
  • Extra-long 200mm length
#TOP 9

sourcing map 6mm Extra Long Drill Bit

sourcing map 6mm Extra Long Drill Bit Cover

sourcing map 6mm Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 300mm Length for Wood Plastic Aluminum

The sourcing map Extra Long Drill features a 6mm diameter and a total length of 300mm, making it ideal for accessing hard-to-reach areas that standard drills cannot. Made from high-speed steel, it offers excellent durability and heat resistance, ensuring a long service life. The split point tip and twisted design enhance cutting speed and help the drill self-centre, preventing movement during use. With its efficient chip removal, you can achieve smooth holes with ease, making your drilling tasks more convenient.

8.9
FTB Score

What We Like

  • High-speed steel construction
  • Extended length for difficult access
  • Self-centering for precision
  • Efficient chip removal
  • Durable and long-lasting
#TOP 10

sourcing map HSS Extra Long Twist Drill Bits

sourcing map HSS Extra Long Twist Drill Bits Cover

sourcing map HSS(High Speed Steel) Extra Long Twist Drill Bits, 5mm Drill Diameter 300mm Length for Hardened Metal Woodwork Plastic Aluminum Alloy 2 Pcs

Features

  • [Strength And Hardness]- Made Of High-Speed Steel. HSS(High Speed Steel) Enables The Drill Body Harder And Can Keep A Longer Drilling Life.
  • [Specifications]- Twist Drill Bits Diameter: 5mm / 0.2-Inch; Drill Bit Length:200mm / 7.87-Inch; Shank Diameter: 5mm / 0.2-Inch; Total Length: 300mm / 11.81-Inch; 2 X Straight Shank Twist Drill Bit
  • [Twisted Design]- With The Twisted Design, It Can Improve Cutting Accuracy By Centering The Tip. It Can Avoid Displacement Of The Drill Bit During Work, And At The Same Time Remove Debris And Particles Faster And Easier.
8.7
FTB Score

Frequently Asked Questions (FAQs)

1. What is a long drill bit called?

A spade bit, also known as a paddle bit, bores large-diameter holes — up to 1-1/2 inches in diameter — in wood. It has a flattened blade with a sharp point that helps position and steady the bit. Some spade bits have points at the two edges that help create a neater hole and exit point. Shop Spade Drill Bits & Sets.

2. What is a long series drill bit used for?

Long drill bits are longer in overall length than ordinary drill bit of the same size. They are specially used to create deep holes or drill in hard to reach places. Long drill bits are also available in both imperial and metric types and are usually made from HSS or cobalt steel.

3. What is the longest drill bit in the world?

Maersk Resolute recently drilled with the largest oilfield drill bit ever used in the world, a giant 45"!

Editor's Notes

During our extra long drill bit for steel research, we found 306 extra long drill bit for steel products and shortlisted 10 quality products. We collected and analyzed 6,601 customer reviews through our big data system to write the extra long drill bits for steel list. We found that most customers choose extra long drill bits for steel with an average price of £8.20.

The extra long drill bits for steel are available for purchase. We have researched hundreds of brands and picked the top brands of extra long drill bits for steel, including sourcing map and more.

Written by

Jennifer Fraser Avatar

Jennifer Fraser

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.