Best Extra Long Drill Bits for Steel of 2026

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 5 Feb 2026

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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

sourcing map HSS Extra Long Drill Bits Cover #TOP 1
sourcing map HSS Extra Long Drill Bits
ftb score rating icon 9.8
sourcing map HSS Extra Long Twist Drill Bits Cover #TOP 2
sourcing map HSS Extra Long Twist Drill Bits
ftb score rating icon 9.7
sourcing map HSS Extra Long Twist Drill Bits Cover #TOP 3
sourcing map HSS Extra Long Twist Drill Bits
ftb score rating icon 9.5

Top 10 Extra Long Drill Bits for Steel

sourcing map HSS Extra Long Drill Bits

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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.

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

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6x200mm
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.

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

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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.

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

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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.

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

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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.

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

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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.

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

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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.

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

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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.

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

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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.

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

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5x300mm
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.
[Professional And DIY Use]- Suitable For Processing Non-Ferrous Metals, Such As Copper And Aluminum, And Also Suitable For Hard Plastics. When It Cannot Penetrate, Try To Adjust The RPM. Suitable For Electric Hand Drill, Bench Drill And Machine Tool Equipment.
[Note]- Please Keep Cool And Gentle Using, The Working Life Of The Twist Drill Bits Can Be Largely Prolonged By Proper Usage.
Buying Guide Image

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 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.