Best Long Length Bits for Metal of 2025

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Long Length Bits for Metal are high-quality drill bits designed to penetrate through metal surfaces with ease. They are made of durable materials that guarantee their longevity and performance. These bits come in different sizes and shapes to fit various drilling needs, and they are compatible with most power drills. With their precise cutting edges and sturdy construction, Long Length Bits for Metal are ideal for professionals and DIY enthusiasts who require accuracy and efficiency in their metal drilling projects.
At a Glance: Our Top Picks
Top 10 Long Length Bits for Metal
Bosch 10x PRO Metal HSS-G Drill Bit
The Bosch HSS-G Drill Bit is a reliable tool that lasts up to twice as long as the Bosch PointTeQ Drill Bit, providing excellent value for your projects. Its cylindrical shank ensures compatibility with three-jaw drill chucks, making it easy to use with various rotary drill drivers. This drill bit is specifically designed for metal drilling, whether you're pre-drilling for anchors, rivets, or threads, or working with steel beams for installations. With dimensions of 5 x 52 x 86 mm, it’s perfect for both professional and DIY tasks.
kwb HSS Precision Metal Drill Bit Type N 5 mm
The kwb HSS Drill Bit is a timeless precision tool, designed for extra-long drilling tasks with its 5 mm diameter and 132 mm length. Its versatility allows you to tackle various materials with ease, providing smooth and efficient drilling. Crafted from precision-ground steel, it ensures consistent performance and accuracy, making your projects easier and more reliable. With its industrial quality, you can trust this drill bit to deliver precise results in steel and other challenging materials.
Saim Extra Long Twist Drill Bits for Metal and Wood
The Saim Twist Drill Bits are designed for high performance in various materials, including non-ferrous metals, hard plastics, and more. Made from high-speed steel, they offer exceptional strength and durability, allowing you to enjoy a longer drilling life. Their twisted design enhances cutting accuracy, ensuring the drill bit remains centred and reducing the risk of displacement during use. This feature also facilitates quicker removal of debris, making your drilling tasks more efficient. Whether for professional or DIY projects, these bits are versatile and convenient for your needs.
Bosch 10mm PRO Metal HSS-G Twist Drill Bit
The Bosch PRO Metal Drill Bit is designed to last up to twice as long as standard Bosch PointTeQ Drill Bits, ensuring that you can complete your projects with fewer interruptions. Its cylindrical shank is compatible with three-jaw drill chucks, making it easy to fit into various drill models. This drill bit is ideal for drilling in metal, whether you're pre-drilling for anchors, rivets, or threads. Additionally, it is perfect for drilling in steel beams for installations and fixtures, giving you versatility for a range of applications.
Saim Extra Long Twist Drill Bits for Metal and Wood
The Saim Twist Drill Bits are designed for both professionals and DIY enthusiasts. Made from high-speed steel, these bits offer exceptional strength and durability, ensuring a longer drilling life. Their twisted design enhances cutting accuracy, helping you to centre the tip effectively to avoid any displacement. This feature also facilitates quicker removal of debris and particles, making your work smoother. With a length of 300mm, these bits are ideal for drilling through non-ferrous metals and hard plastics, providing versatility for various projects.
Bosch Professional HSS-G Metal Drill Bit 12 mm
The Bosch HSS-G Drill Bit is designed for efficient metal drilling with a diameter of 12 mm. Its HSS-G construction ensures durability and precision, making it an ideal choice for both professionals and DIY enthusiasts. The bit's long length allows for deeper drilling, providing you with the flexibility to tackle various projects with ease. With a robust design, you can expect consistent performance, giving you the confidence to complete your tasks effectively.
Saim HSS Extra Long Twist Drill Bits
The Saim Twist Drill Bits are designed for both professional and DIY users, featuring a robust high-speed steel construction that enhances durability and longevity. With a twisted design, these bits improve cutting accuracy, ensuring that you can work efficiently without the bit displacing during use. They are ideal for drilling into non-ferrous metals like copper and aluminium, as well as hard plastics. By adjusting the RPM when faced with resistance, you can optimise your drilling experience and prolong the life of the bits.
Saim Extra Long HSS Twist Drill Bits
The Saim Twist Drill Bits are crafted from high-speed steel, ensuring strength and longevity for your drilling tasks. With a twisted design, these bits enhance cutting accuracy and help prevent displacement while removing debris efficiently. Their versatility allows you to work on non-ferrous metals like copper and aluminium, as well as hard plastics. You can easily use them with various drill types, making them suitable for both professional and DIY projects.
DeWalt 12 x 151mm Extreme 2 Metal Drill Bit
The DeWalt Extreme 2 Drill Bit features an innovative tapered web that significantly reduces the risk of breakage, ensuring a longer lifespan for your tool. You will appreciate the permanent size markings located above the shank, making it easy to choose the right bit for your project without confusion. This drill bit also creates cleaner, more accurate, and burr-free holes, which is essential for achieving professional-quality results. Additionally, the gold Ferrous Oxide coating prevents overheating, allowing for smooth drilling through sheet or thin materials without the worry of damaging your workpiece.
Dewalt HSS-Co Metal Drill Bit 7 5X109X66 MM
The Dewalt Metal Drill Bit is a robust tool designed for metal drilling. Its HSS-Co construction ensures that it is tough and long-lasting, making it perfect for demanding tasks. When you use this bit, you can expect original Dewalt quality, which guarantees reliable performance every time. The long length of 7 5X109X66 MM allows you to reach deeper into materials, providing the convenience you need for various projects. This drill bit is an excellent addition to your toolkit.
Frequently Asked Questions (FAQs)
1. What is the longest auger bit?
Compared to other types of drill bit, auger bits can be considered to be quite long. The shortest auger bit commonly found is 200mm (8″) long. The longest is 600mm, which equates to 24″ or 2 feet! These can easily be used to drill through wall studs, tree stumps or thick pieces of timber.
2. 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.
3. What bits are best for metal?
Clearly, the best drill bits for hardened metal or steel come with a cobalt blend. These cobalt drill bits use an alloy including 5%–8% cobalt. This cobalt makes up part of the steel blend, so the hardness of the bit doesn't wear off with a coating (like titanium bits).
During our long length bit for metal research, we found 48 long length bit for metal products and shortlisted 10 quality products. We collected and analyzed 67,551 customer reviews through our big data system to write the long length bits for metal list. We found that most customers choose long length bits for metal with an average price of £6.05.
The long length bits for metal are available for purchase. We have researched hundreds of brands and picked the top brands of long length bits for metal, including Bosch, kwb, Saim, DeWalt.

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.