Best Straight Extra Long Drill Bits of 2026
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If you're looking for a reliable and efficient way to drill deep holes, then straight extra long drill bits are the perfect solution. These drill bits are designed to reach difficult spots with ease, thanks to their extended length. They are made from high-quality materials that ensure durability and longevity, even in tough conditions. With a range of sizes and diameters available, you can find the perfect drill bit to suit your needs. Whether you're a professional tradesperson or a DIY enthusiast, these drill bits are a must-have addition to your toolkit.
At a Glance: Our Top Picks
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9.8
#TOP 2
9.7
#TOP 3
9.5
Top 6 Straight Extra Long Drill Bits
sourcing map 8mm Extra Long Twist Drill Bit
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.
Yosoo 4mm Extra Long Drill Bit for Wood and Metal
The Yosoo Extra Long Drill Bit is designed for a wide range of materials, including wood, aluminium, and plastic. Its high-speed steel construction ensures durability, making your drilling tasks easier and quicker. The straight shank also enhances compatibility with various electric drills and machines. Additionally, the deep spiral groove efficiently removes chips and coolant, keeping your workspace clean and improving performance. This drill bit is a practical choice for anyone needing to make precise holes with ease.
sourcing map 10mm Extra Long Drill Bit
The sourcing map Drill Bit is designed for versatility and efficiency. With a 10mm diameter and an impressive length of 300mm, it can reach tight spaces that regular drill bits may struggle with. Made from high-speed steel, it offers exceptional hardness and durability, ensuring a long service life. The twisted design enhances cutting speed and allows for self-centering, which means you can drill with precision and ease. This feature also helps to quickly remove chips, leaving you with smooth holes in various materials.
sourcing map 6mm Extra Long Drill Bit
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.
sourcing map 10mm Extra Long Drill Bit
The sourcing map Extra Long Bit is designed for versatile applications, with a diameter of 10mm and a length of 250mm, making it perfect for accessing tight spaces. Crafted from high-speed steel, it offers exceptional durability and heat resistance, ensuring longevity during use. Its extended length and twisted design facilitate faster drilling and efficient chip removal, allowing you to create smooth holes effortlessly. Remember to use it gently to maximise its lifespan.
sourcing map 12mm Extra Long Drill Bit
The sourcing map Drill Bit is designed for versatility, with a diameter of 12mm and a total length of 250mm. Made from high-speed steel, it offers excellent durability and heat resistance, making it ideal for various materials like wood, plastic, and aluminium. The extended design allows you to access hard-to-reach areas effortlessly, while the twisted design enhances cutting speed and self-centring capabilities. This means you can drill with precision and efficiency, ensuring clean holes without the hassle of bit movement.
Frequently Asked Questions (FAQs)
1. What are long drill bits called?
A unibit (often called a step drill bit) is a roughly conical bit with a stairstep profile. Due to its design, a single bit can be used for drilling a wide range of hole sizes. Some bits come to a point and are thus self-starting. The larger-size bits have blunt tips and are used for hole enlarging.
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"!
4. What is the longest SDS drill bit?
This is the longest SDS plus bit available! Quality long length SDS Plus rotary hammer bit 1/2" diameter by 38" overall, 36" usable. Works in any SDS hammer including Bosch, DeWalt, Milwaukee. Makita, Panasonic, Hilti, Hitachi and others.
During our straight extra long drill bit research, we found 280 straight extra long drill bit products and shortlisted 6 quality products. We collected and analyzed 5,940 customer reviews through our big data system to write the straight extra long drill bits list. We found that most customers choose straight extra long drill bits with an average price of £7.81.
The straight extra long drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of straight extra long drill bits, including sourcing map, Yosoo Health Gear.
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.