Best HSS Extra Long Drill Bits of 2025

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If you're looking for high-quality drill bits that can handle even the toughest materials, then HSS Extra Long Drill Bits are worth considering. These drill bits are designed to be longer than standard bits, allowing you to drill deeper holes without having to constantly reposition the bit. Made from high-speed steel, these drill bits are durable and can handle a range of materials including wood, metal and plastic. With a range of sizes available, you can find the perfect bit for your needs. These drill bits are a great investment for anyone who needs to drill deep holes with precision and ease.
At a Glance: Our Top Picks
Top 10 HSS Extra Long Drill Bits
sourcing map HSS Extra Long Drill Bits
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.
Draper Expert HSS Extra Long Drill Bit 12.5mm
The Draper Extra Long Drill Bit is a high-quality tool designed for precision drilling. Its long series design allows you to reach deep into materials, providing flexibility for various projects. Manufactured to DIN 340 ISO 494 specifications, you can trust its durability and performance. This drill bit is perfect for professionals and DIY enthusiasts alike, ensuring that you achieve clean and accurate holes every time. With its expert quality, you can tackle even the toughest drilling tasks with ease and confidence.
sourcing map HSS Extra Long Drill Bits
The sourcing map Extra Long Bits are designed for precision and durability. With a 5mm diameter and a total length of 160mm, these high-speed steel drill bits provide long-lasting performance. Their twisted design enhances cutting accuracy and prevents displacement during use, ensuring you can work efficiently. Suitable for various materials, including non-ferrous metals and hard plastics, they are perfect for both professional and DIY projects. Remember to keep the bits cool for optimal life span.
sourcing map HSS Extra Long Twist Drill Bits
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.
sourcing map HSS Extra Long Drill Bits
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.
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 Extra Long Twist Drill Bits
The sourcing map Drill Bits are designed for precision and durability. With a diameter of 2mm and a length of 200mm, these high-speed steel bits ensure strong performance and a longer drilling life. The twisted design enhances cutting accuracy, helping you maintain control while reducing the risk of displacement. These bits are suitable for various materials, including non-ferrous metals like copper and aluminium, making them ideal for both professional and DIY projects. Remember to use them gently for optimal results.
sourcing map Extra Long Twist Drill Bits
The sourcing map Drill Bits are designed for precision and durability. With a diameter of 5.5mm and a total length of 250mm, these high-speed steel bits offer a longer drilling life. The twisted design enhances cutting accuracy, allowing you to centre the tip effectively. This design also helps to remove debris more efficiently, making your drilling tasks smoother. Suitable for non-ferrous metals and hard plastics, these bits are perfect for both professional and DIY projects.
Walfront 200mm Extra Long HSS Drill Bit
The Walfront Extra Long Drill Bit is designed for high efficiency and fast cutting. Its sharp twisted flute allows you to drill effortlessly through wood, aluminium, and plastic. The straight shank design makes it compatible with various electric drills, enhancing usability. Made from high-quality materials and finely polished, it ensures long-lasting performance, giving you confidence in your drilling tasks. With a length of 200mm, this bit offers convenient reach for those hard-to-access areas.
Yosoo 4mm Extra Long HSS Drill Bit
The Yosoo Extra Long Drill Bit is crafted from high-speed steel, ensuring durability and efficiency when drilling. Its sharp, twisted flute design simplifies the drilling process, making it ideal for materials like wood, aluminium, and plastic. The excellent surface treatment enhances performance by retaining cutting fluid, preventing chip welding, and reducing edge accumulation. The straight shank design makes it compatible with various electric drills, providing you with versatility and ease of use for your drilling tasks.
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 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.
4. Are titanium drill bits better than HSS?
Titanium-coated HSS drill bits produce less friction. They're tougher than basic HSS bits and stay sharp longer. They work for drilling wood, metal, fiberglass and PVC. Carbide-tipped drill bits stay sharp much longer than steel, HSS or titanium bits.
During our hss extra long drill bit research, we found 77 hss extra long drill bit products and shortlisted 10 quality products. We collected and analyzed 4,740 customer reviews through our big data system to write the hss extra long drill bits list. We found that most customers choose hss extra long drill bits with an average price of £6.99.
The hss extra long drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of hss extra long drill bits, including sourcing map, Draper, Yosoo Health Gear, Walfront. The seller of top 1 product has received honest feedback from 20,011 consumers with an average rating of 4.8.

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.