Best Flat Hex Bolts of 2025

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Flat hex bolts are essential hardware components used in various industries such as construction, automotive, and manufacturing. These bolts feature a six-sided head and a flat bearing surface designed to distribute the load and prevent damage to the materials being fastened. They are available in different sizes, materials, and finishes to suit different applications. Flat hex bolts are known for their strength, durability, and reliability. They are commonly used to join two or more objects together and provide stability and support to structures.
At a Glance: Our Top Picks
Top 10 Flat Hex Bolts
M6 Silver Flat Head Furniture Screws Pack of 12
The Screws City M6 Furniture Screws are designed for convenience and reliability in furniture assembly. Each screw measures 6mm x 50mm, making them ideal for securing various items like cots, beds, and chairs. With a fully threaded design, these screws allow for a strong hold, ensuring your furniture remains stable and safe. The metric thread provides compatibility with standard fixtures, simplifying your projects. Sold in a pack of 12, you’ll have plenty of screws on hand for your furniture needs.
sourcing map M6 Hex Head Screws Kit
The sourcing map Hex Screws offer a reliable fastening solution with their precision M6 x 40mm thread size, ensuring a neat and secure fit. Each kit includes a hexagonal bolt, nut, flat washer, and lock washer, providing you with all the essentials for installation. Made from durable 304 stainless steel, these screws resist corrosion and rust, perfect for various indoor and outdoor applications. Whether you're working on home appliances or industrial equipment, you can count on these screws for a sturdy and long-lasting hold.
TOP-VIGOR M8 Hex Head Screw Kits
The TOP-VIGOR Hex Screw Kit includes M8 x 35mm bolts, nuts, and washers made from high-quality 304 stainless steel. This material ensures that the screws resist rust and deformation, giving you a durable solution for your projects. The thoughtful design features a smooth surface, enhancing both aesthetics and safety, while the hexagonal slot drive allows for secure fastening, reducing slippage during installation. With its versatile use, this kit is perfect for various applications, from machinery repairs to DIY projects.
sourcing map M6 Hex Head Screw Kits
The sourcing map Hex Screw Kits include M6 x 25mm hexagonal bolts that feature precise mechanical threads, ensuring a strong and secure fit for your projects. The kit contains 10 sets, each with a bolt, nut, flat washer, and lock washer, providing everything you need for effective installation. Made from 304 stainless steel, these fasteners boast excellent corrosion and rust resistance, making them ideal for both indoor and outdoor use. With their hexagon head design, you can easily tighten them using a wrench, offering convenience and reliability in various applications.
sourcing map M10 x 100mm Hex Head Screw Kits
The sourcing map Hex Head Screws are designed for easy installation with a wrench, featuring an M10 x 100mm thread size. This product includes four sets of bolts, nuts, flat, and lock washers, ensuring you have everything needed for your project. Made from 304 stainless steel, these screws offer superior hardness and prevent corrosion and rust, making them ideal for both indoor and outdoor use. You can confidently use them for various applications, from home appliances to industrial equipment.
sourcing map M8 Hex Head Screw Kits
The sourcing map Hex Screw Kits feature M8 x 100mm precision mechanical threads, ensuring a secure fit that is less likely to slip. Each kit includes essential components such as bolts, nuts, flat washers, and lock washers, making it convenient for you to have everything needed for installation. Made from durable 304 stainless steel, these screws offer excellent corrosion and rust resistance, ensuring longevity even in challenging environments. Their hexagonal shape allows for easy installation using a wrench, providing you with a reliable fastening solution for various applications.
72 Pcs M6 Hex Socket Bolt Set
The QiXinGYL Bolt Set includes 72 high-quality carbon steel hex bolts designed for durability and performance. These corrosion-resistant bolts maintain their strength in harsh conditions, ensuring reliable use for various applications. Their flat head design allows for a flush finish, enhancing the appearance of your projects. With a full-thread design, these bolts offer excellent tensile strength, making them easy to tighten and remove without slipping, providing you with convenience and efficiency in your work.
TERF M8 X 40mm Joint Connector Bolts Pack
The TERF Joint Connector Bolts come in a pack of four, making it convenient for your projects. Each bolt is made from durable zinc plated steel, ensuring strength and longevity. With a size of M8 (8mm) X 40mm, these bolts are versatile for various applications, including furniture fixing and general engineering tasks. The hex socket head type allows for easy installation using an Allen key, providing you with a reliable solution for your DIY projects.
Drenky M8 Flat Head Furniture Bolts
The Drenky M8 Bolts are crafted from 304 stainless steel, ensuring a smooth, burr-free surface that resists rust and corrosion. This makes them ideal for outdoor or wet environments, promising you a long service life. Their unique design features a round outer edge and a concave hexagonal shape, preventing scratches to surrounding parts during assembly. Additionally, the hexagonal design transmits torque uniformly, enhancing safety by preventing slippage in high vibration or load situations. These benefits provide you with reliable and aesthetically pleasing fastening solutions.
sourcing map M10 Hex Head Screw Kit
The sourcing map Hex Screw Kit includes M10 x 40mm bolts, nuts, flat and lock washers, ensuring you have everything you need for your projects. The precise mechanical threads provide a strong grip, making installation easier and more secure. Crafted from 304 stainless steel, these fasteners resist corrosion and rust, ensuring durability in various environments. Their hexagonal design allows for easy installation with a wrench, making them ideal for both indoor and outdoor applications.
During our flat hex bolt research, we found 306 flat hex bolt products and shortlisted 10 quality products. We collected and analyzed 5,368 customer reviews through our big data system to write the flat hex bolts list. We found that most customers choose flat hex bolts with an average price of £6.82.
The flat hex bolts are available for purchase. We have researched hundreds of brands and picked the top brands of flat hex bolts, including Screws City, sourcing map, TOP-VIGOR, QiXinGYL, TERF. The seller of top 1 product has received honest feedback from 1,423 consumers with an average rating of 4.8.

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.