Best Long Length Bits of 2026
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Long Length Bits are a type of drill bit that are designed to be longer than standard drill bits. These bits are typically used for drilling deeper holes or for drilling through thicker materials. They come in a variety of sizes and shapes to fit different types of drill chucks and are made from high-quality materials to ensure durability and long-lasting performance. Whether you're a professional tradesperson or a DIY enthusiast, Long Length Bits are a useful addition to any toolbox and can help you achieve more precise and efficient drilling results.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 7 Long Length Bits
Silverline 633490 Metric HSS-R Long Drill Bits 10pk
The Silverline 633490 Drill Bits are made from HSS-R roll forged 4341 high speed steel, ensuring durability and efficient performance. Manufactured to DIN340 standards with a 118° point, these bits provide precise and clean drilling. They are general-purpose 'jobber' drill bits, meaning they are suitable for a wide range of tasks. You can use them to drill through steel, aluminium, non-ferrous metals, plastics, and wood, making them versatile for various DIY and professional projects.
AB Tools 10mm Long Series HSS Drill
The AB Tools HSS Drill is a high-speed steel drill designed for precision and durability. With a length of 184mm, it offers an extended reach that allows you to access deeper areas with ease. The drilling part measures 121mm, making it ideal for various applications where longer drills are needed. Adhering to the DIN340 standard, you can trust its quality and performance. This single 10mm long series drill is perfect for both professionals and DIY enthusiasts looking for reliable tools.
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.
Bahco 9631 Long Flat Wood Drill Bit 12mm
The Bahco 9631 Wood Drill Bit is designed for precision and efficiency in woodworking. Its winged shoulders effectively cut through wood while removing material from the centre, ensuring a smooth finish. This design also promotes superior swarf clearance, making it easier for you to keep your workspace tidy. With this drill bit, you can create accurate and deep holes in wood, which is ideal for various woodworking projects. Experience the convenience and quality that this tool offers for your next venture.
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.
kwb HI-NOX HSS M2 Metal Drill Bit 3mm
The kwb HI-NOX Drill Bit is designed for efficient drilling in stainless steel and other metals. Its specialised short spiral flute reduces the pull-in effect, making it easier to drill through sheets and metal plates. With a precise 130° point angle and Quick Cut geometry, you will find that it produces small metal chips and is significantly stronger than traditional cobalt bits. Additionally, the drill bit's high heat resistance ensures that it retains its hardness, preventing any damage to the material you are working with.
DEWALT 1/8-Inch Extra Long Black Oxide Drill Bit
The DEWALT Long Black Oxide Bit is a versatile 1/8x12 inch drill bit designed for ease of use. With a 135-degree split point, it drills on contact and helps prevent walking, ensuring accuracy in your projects. The parabolic flute design enhances chip ejection, making it ideal for both metal and wood applications. Additionally, the black oxide coating increases wear resistance, prolonging the life of the bit and providing you with reliable performance over time.
Frequently Asked Questions (FAQs)
1. Can you get extra long drill bits?
Sutton Tools Blue Bullet Long Series drills offer longer flute & overall length than standard drill bits. Ideal for drilling deeper holes.
2. How long is a drill bit?
Nowadays, the drill bit is usually made by rotating the bar while moving it past a grinding wheel to cut the flutes in the same manner as cutting helical gears. Twist drill bits range in diameter from 0.002 to 3.5 in (0.051 to 88.900 mm) and can be as long as 25.5 in (650 mm).
3. What size bits are there?
Number drill bit gauge sizes range from size 80 (the smallest) to size 1 (the largest) followed by letter gauge size A (the smallest) to size Z (the largest). Although the ASME B94. 11M twist drill standard, for example, lists sizes as small as size 97, sizes smaller than 80 are rarely encountered in practice.
4. What sizes do wood bits come in?
Bit size reflects the diameter of the body. Some projects call for specific drill bit sizes, but a bit set that includes sizes from 1/16 inch to 1/4 inch will work for many jobs around the home and workshop. You can add larger bits — 5/16-inch, 3/8-inch, 7/16-inch and 1/2-inch bits — if you need them.
During our long length bit research, we found 88 long length bit products and shortlisted 7 quality products. We collected and analyzed 13,947 customer reviews through our big data system to write the long length bits list. We found that most customers choose long length bits with an average price of £5.58.
The long length bits are available for purchase. We have researched hundreds of brands and picked the top brands of long length bits, including Silverline, AB Tools, DEWALT, Bahco, kwb.
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.