Best Straight Drill Bits of 2025

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Straight drill bits are essential tools for any DIY enthusiast or professional. These bits are designed to drill into a variety of materials, including wood, metal, and plastic. They are available in a range of sizes, making them suitable for various drilling tasks. Straight drill bits are typically made from high-speed steel or cobalt, which ensures durability and longevity. Whether you are drilling holes for plumbing, electrical work, or woodworking projects, straight drill bits are an excellent choice.
At a Glance: Our Top Picks
Top 10 Straight 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.
sourcing map Brad Point Drill Bits 3.5mm
The sourcing map Brad Point Bits are designed to offer precision and efficiency in your woodworking tasks. With a length of 75mm and a diameter of 3.5mm, these bits can drill up to 35mm deep, making them versatile for various materials. Made from durable #45 carbon steel, they resist breaking, ensuring a longer lifespan. The brad point tip enhances accuracy for starting holes, while the chip removal groove efficiently clears debris, improving your overall working experience.
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 1.5mm Extra Long Drill Bits
The sourcing map Drill Bits are designed for versatility and efficiency. With a diameter of 1.5mm and a total length of 160mm, these high-speed steel drill bits provide excellent durability and heat resistance, ensuring a long service life. Their extended design allows you to access hard-to-reach areas, making your drilling tasks easier. The twisted design enhances cutting speed and helps prevent movement, enabling you to achieve smooth holes with minimal effort.
sourcing map 24pcs 3.5mm Twist Drill Bits
The sourcing map Drill Bits feature a precise cutting edge diameter of 3.5mm, making them ideal for a variety of materials including stainless steel and wood. Made from high-speed steel, these bits offer excellent hardness and toughness, ensuring durability during use. The sharp spiral flutes allow for neat and smooth cuts, enhancing your drilling efficiency. Moreover, the black and gold finish not only adds to their aesthetic appeal but also provides improved lubrication for a smoother drilling experience.
sourcing map 7mm Solid Carbide Drill Bit
The sourcing map Drill Bit features a 7mm diameter and a 36mm flute length, ensuring accurate hole drilling without glitches. Made from micro-grain tungsten carbide, it offers high hardness and wear resistance, extending its lifespan and improving cutting speeds. Its twisted spiral design aids in efficient chip evacuation, preventing clogging and ensuring smooth operation. Ideal for various materials, this drill bit enhances your work efficiency when drilling metals and plastics.
sourcing map 11.5mm HSS Drill Bit Set
The sourcing map Drill Bits feature an 11.5mm cutting edge diameter and a high-speed steel construction, ideal for general-purpose drilling. The sharp spiral flutes ensure neat and smooth cuts, making your drilling tasks quicker and more efficient. With a dual black titanium and nitride coating, you benefit from enhanced durability and corrosion resistance, allowing for smoother drilling with less friction. This versatile tool can be used on various materials, including stainless steel and wood, making it a valuable addition to your toolkit.
Gunpla 13-Piece High-Speed Drill Bit Set
The Gunpla Drill Bit Set offers premium quality with its high-speed tungsten carbide tips, making it ideal for various masonry jobs. With 13 different bits, ranging from 3mm to 10mm, you can efficiently tackle a wide range of projects, whether you are a professional or a DIY enthusiast. These multipurpose bits are designed for brick, block, stone, and light concrete work, providing versatility and convenience. Plus, the handy carrying bag ensures you can easily transport your tools wherever needed.
sourcing map 2mm Tungsten Carbide Drill Bits
The sourcing map Drill Bits are designed for precision drilling in various materials, including stainless steel, aluminium, and plastic. With a 2mm diameter and a spiral chip space design, these bits ensure fast and clean chip removal, enhancing your drilling efficiency. The sharp cutting edge allows for smooth cutting, reducing the risk of glitches during operation. Made from medium grain tungsten carbide, they offer excellent toughness and wear resistance, making them ideal for both professional and DIY projects.
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.
During our straight drill bit research, we found 144 straight drill bit products and shortlisted 10 quality products. We collected and analyzed 4,247 customer reviews through our big data system to write the straight drill bits list. We found that most customers choose straight drill bits with an average price of £6.89.
The straight drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of straight drill bits, including sourcing map, Yosoo Health Gear, Gunpla. The seller of top 1 product has received honest feedback from 19,848 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.