Best Straight Drill Bits of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 8 Feb 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

sourcing map 8mm Extra Long Twist Drill Bit Cover #TOP 1
sourcing map 8mm Extra Long Twist Drill Bit
ftb score rating icon 9.9
sourcing map Brad Point Drill Bits 3.5mm Cover #TOP 2
sourcing map Brad Point Drill Bits 3.5mm
ftb score rating icon 9.8
Yosoo 4mm Extra Long Drill Bit for Wood and Metal Cover #TOP 3
Yosoo 4mm Extra Long Drill Bit for Wood and Metal
ftb score rating icon 9.6

Top 10 Straight Drill Bits

sourcing map 8mm Extra Long Twist Drill Bit

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8x300mm
sourcing map 8mm Extra Long Twist Drill Bit Cover
sourcing map 8mm Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 300mm Length for Wood Plastic Aluminum

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.

What We Like
High-speed steel construction
Extended reach for difficult areas
Twisted design for smooth drilling
Durable and long-lasting
#TOP 2

sourcing map Brad Point Drill Bits 3.5mm

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Black
3.5mm x 75mm
sourcing map Brad Point Drill Bits 3.5mm Cover
sourcing map 2pcs Brad Point Drill Bits 3.5mm(9/64") Dia Straight Steel Round Shank Drill Metric Brad Point 1.4" Drilling Depth Spiral Twist Drill Bits for Carpenter Woodworking Plastic Rubber

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.

What We Like
Durable carbon steel construction
High precision for accurate drilling
Effective chip removal design
Versatile for various materials

Yosoo 4mm Extra Long Drill Bit for Wood and Metal

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Yosoo 4mm Extra Long Drill Bit for Wood and Metal Cover
4mm Extra Long Drill Bit, HSS Extra Long 200mm Twist Drill Bit Straight Shank Auger Drill for Wood, Aluminum, Plastic, etc

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.

What We Like
Wide application for various materials
Durable high-speed steel construction
Compatible with many drills
Efficient chip removal design
Easy to operate

sourcing map 1.5mm Extra Long Drill Bits

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1.5mm x 160mm
sourcing map 1.5mm Extra Long Drill Bits Cover
sourcing map 1.5mm Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 160mm Length for Wood Plastic Aluminum, 4pcs

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.

What We Like
High-speed steel construction
Extended reach for difficult areas
Self-centering twisted design
Good heat and wear resistance
Efficient chip removal
#TOP 5

sourcing map 24pcs 3.5mm Twist Drill Bits

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Gold & Black
3.5mm
sourcing map 24pcs 3.5mm Twist Drill Bits Cover
sourcing map 24pcs Straight Shank Twist Drill Bits 3.5mm Gold Titanium & Black Nitride Coated High Speed Steel (HSS) 4341 with 3.5mm Shank for Stainless Steel Alloy Metal Plastic Wood

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.

What We Like
High-speed steel construction
Sharp spiral flutes
Durable black and gold finish
Versatile for various materials
Stable clamping design

sourcing map 7mm Solid Carbide Drill Bit

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Silver
sourcing map 7mm Solid Carbide Drill Bit Cover
sourcing map Solid Carbide Drill Bit, 7mm (0.276") YG6X/C3 Micro-Grain Tungsten Carbide Jobber Twist Drill Bits Straight Shank for Drilling Stainless Steel Aluminum Metal Plastic

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.

What We Like
High hardness and wear resistance
Efficient chip evacuation design
Suitable for various materials
Long tool life
#TOP 7

sourcing map 11.5mm HSS Drill Bit Set

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11.5mm
sourcing map 11.5mm HSS Drill Bit Set Cover
sourcing map Straight Shank Twist Drill Bits 11.5mm Gold Titanium & Black Nitride Coated High Speed Steel (HSS) 4341 with 11.5mm Shank for Stainless Steel Alloy Metal Plastic Wood

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.

What We Like
Durable high-speed steel construction
Sharp flutes for smooth cuts
Corrosion-resistant coating
Versatile for multiple materials
Stable clamping design

Gunpla 13-Piece High-Speed Drill Bit Set

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Gunpla 13-Piece High-Speed Drill Bit Set Cover
Gunpla 13 Pieces Masonry Drill Bit Set 3-10mm Multipurpose High Speed Tungsten Carbide Straight Shank Drilling Bits Kit

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.

What We Like
High-quality alloy steel construction
Wide range of sizes available
Ideal for various masonry tasks
Convenient carrying bag included

sourcing map 2mm Tungsten Carbide Drill Bits

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Silver Tone
sourcing map 2mm Tungsten Carbide Drill Bits Cover
sourcing map Solid Carbide Drill Bits, 2mm C2/K20 Tungsten Carbide Jobber Drill Bits Straight Shank Drilling Tool for Stainless Steel Aluminum Iron Metal Plastic 4pcs

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.

What We Like
Fast and clean chip removal
Sharp cutting edge
High toughness and hardness
Versatile for multiple materials

sourcing map 12mm Extra Long Drill Bit

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12x250mm
sourcing map 12mm Extra Long Drill Bit Cover
sourcing map 12mm Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 250mm Length for Wood Plastic Aluminum

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.

What We Like
High-speed steel construction
Extended reach for difficult areas
Quick chip removal
Self-centering design
Durable and long-lasting
Buying Guide Image
Editor's Notes

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.

Written by
Jennifer Fraser Avatar

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.