Best KADco Hex Bolts of 2025

Corey Phillips Avatar
Corey Phillips
Last Updated: 1 Feb 2025

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Hex bolts by KADco are durable and reliable fasteners that are commonly used in construction and engineering projects. Made from high-quality materials, these bolts are designed to provide a secure and stable connection. With their hexagonal heads, they can be easily tightened and loosened using a wrench or a socket. Whether you are working on a small DIY project or a large-scale construction job, KADco hex bolts are a recommended choice for their strength and versatility.

At a Glance: Our Top Picks

KADco® M14 High Tensile Hex Socket Bolts Cover #TOP 1
KADco® M14 High Tensile Hex Socket Bolts
ftb score rating icon 9.8
KADco® Stainless Steel Countersunk Machine Screw Bolt Cover #TOP 2
KADco® Stainless Steel Countersunk Machine Screw Bolt
ftb score rating icon 9.7
KADco® M16 Fully Threaded Hex Set Screws Cover #TOP 3
KADco® M16 Fully Threaded Hex Set Screws
ftb score rating icon 9.5

Top 10 KADco Hex Bolts

#TOP 1

KADco® M14 High Tensile Hex Socket Bolts

Socket-Cap-Fine-Pitch
Black
KADco® M14 High Tensile Hex Socket Bolts Cover
KADco® M14 (1.50 pitch) x 30mm Metric Fine Pitch Black 12.9 Grade High Tensile Hex Socket Cap Screws Self Colour Allen Bolts DIN 912 (Pack of 2)

The KADco® M14 Hex Bolts are designed for high stress applications, providing you with the strength needed for reliable fastening. With a fine pitch of 1.5 mm, these bolts ensure a secure fit, making them ideal for demanding tasks. Their robust 12.9 grade construction offers superior tensile strength, allowing you to trust them in critical situations. Furthermore, the ISO 12474 DIN 912 certification guarantees their consistency and reliability, ensuring you can depend on these fasteners for your projects.

What We Like
High tensile strength
Fine pitch for secure fit
Reliable ISO certification
Ideal for high stress applications
#TOP 2

KADco® Stainless Steel Countersunk Machine Screw Bolt

M8 x 10mm
KADco® Stainless Steel Countersunk Machine Screw Bolt Cover
KADco® Hex Socket Countersunk Machine Screw Bolt - Stainless Steel A2 (M8 x 10mm - (20 pcs))

The KADco® Countersunk Machine Bolt is crafted from durable A2 stainless steel, ensuring longevity and resistance to corrosion. With a pitch of 1.25mm and a thread diameter of 8.0mm, you can enjoy a secure fit for various applications. The bolt length, which includes the head, provides versatility in different projects. Additionally, it comes in a resealable plastic bag, making storage and accessibility convenient for you. This product is perfect for anyone looking for reliable and sturdy fastening solutions.

What We Like
Durable A2 stainless steel
Secure fit for various applications
Includes head in length
Convenient resealable packaging
#TOP 3

KADco® M16 Fully Threaded Hex Set Screws

M16 x 50mm
KADco® M16 Fully Threaded Hex Set Screws Cover
KADco® M16 Fully Threaded Hex Hexagon Head Set Screws Steel Bolts Bright Zinc Plated DIN 933 (M16 x 50mm (4 pcs))…

The KADco® M16 Hex Bolts are robust set screws made from Zinc 8.8 steel, ensuring durability for your fastening needs. With a metric size of M16, they provide a reliable fit for various applications. The fully threaded design allows for secure fastening at any point along the bolt, giving you flexibility in your projects. Additionally, the standard metric coarse threads make these bolts easy to work with, simplifying your assembly process.

What We Like
Durable Zinc 8.8 steel
Fully threaded design
Standard metric coarse threads
Convenient resealable packaging
#TOP 4

KADco® M10 Hex Head Socket Cap Screws

M10 x 50mm (10 pcs)
KADco® M10 Hex Head Socket Cap Screws Cover
KADco® Socket Cap Screws, Allen Key Bolts Hex Head Bright Zinc Plated Steel, Grade 12.9 DIN 912 (M10 x 50mm (10 pcs))

The KADco® Socket Cap Screws are high-tensile fasteners crafted from Grade 12.9 steel, ensuring strength and durability for various applications. With a metric size of M10 and a thread pitch of 1.5mm, these screws provide a secure fit for your projects. The 8mm socket wrench size makes installation straightforward, allowing you to work efficiently. Additionally, they come in a resealable plastic bag, making storage and transportation easy for you.

What We Like
High tensile strength
Easy installation
Convenient storage bag
Durable zinc plating
#TOP 5

KADco M8 Bright Zinc Plated Hex Bolts

M8 x 40mm (20 pcs)
KADco M8 Bright Zinc Plated Hex Bolts Cover
KADco® M8 Fully Threaded Hex Hexagon Head Set Screws Steel Bolts Bright Zinc Plated DIN 933 (M8 x 40mm (20 pcs))

The KADco M8 Bolts are made from bright zinc plated steel and conform to DIN 933 standards, ensuring durability and resistance to corrosion. With a hexagon head design, these fully threaded screws provide a secure grip, making them easy to handle during installation. The metric size of M8 with a pitch of 1.25mm allows for versatile applications in various projects. Packaged in a resealable plastic bag, these bolts offer convenience for storage and reuse, making them an excellent choice for both professional and DIY tasks.

What We Like
Durable bright zinc plating
Fully threaded for better grip
Metric size for versatile use
Convenient resealable packaging
#TOP 6

KADco® M6 Countersunk Machine Screw Bolt

M6 x 16mm (20 pcs)
KADco® M6 Countersunk Machine Screw Bolt Cover
KADco® M6 Hex Socket Countersunk Machine Screw Bolt - High Tensile Steel Grade 10.9, Bright Zinc Plated, DIN 7991 (M6 x 16mm (20 pcs))

The KADco® M6 Bolt is designed as a countersunk Allen bolt, ensuring a flush finish that is aesthetically pleasing and practical. The fully threaded design provides versatility, allowing for secure fastening in various applications. With the bolt length including the head, it simplifies measurements and installation. The standard metric coarse thread is the most common, making these bolts compatible with a wide range of tools and fittings, ensuring you can easily find what you need for your projects.

What We Like
High tensile strength
Fully threaded for versatility
Flush finish for aesthetic appeal
Standard metric size
Convenient resealable packaging
#TOP 7

KADco M4 Low Head Stainless Steel Screws

M4 x 55mm
KADco M4 Low Head Stainless Steel Screws Cover
KADco® M4 Low Head Socket Cap Screws A2 Stainless Steel, Hex Head Allen Key Machine Screws Bolts DIN 7984 (M4 x 55mm - (20 pcs))

The KADco M4 Screws are made from durable A2 stainless steel, ensuring they resist corrosion and provide long-lasting performance. With a hex socket low cap head design, these screws are easy to tighten and offer a secure fit, making your projects smoother. Their standard metric coarse thread is the most common type, providing compatibility with various applications. Each bolt is measured from the underside of the head, ensuring accurate sizing for your needs. These screws come packaged in a resealable plastic bag for convenient storage and reuse.

What We Like
Durable A2 stainless steel
Easy to tighten design
Standard metric thread
Precise sizing
Convenient resealable packaging
#TOP 8

KADco® M5 Hex Socket Countersunk Machine Bolts

KADco® M5 Hex Socket Countersunk Machine Bolts Cover
KADco® M5 Hex Socket Countersunk Machine Screw Bolt - Stainless Steel A2 (M5 x 16mm - (20 pcs))

The KADco® M5 Bolts are made from high-quality A2 stainless steel, ensuring durability and resistance to corrosion. With a DIN 7991 specification, these bolts are suitable for a range of applications, providing reliable performance. The bolt length includes the head, making it easy to calculate the total length needed for your projects. Additionally, the 0.8mm pitch and 5.0mm thread diameter ensure a secure fit, giving you peace of mind during installation. Each pack comes in a resealable, reusable plastic bag for convenient storage.

What We Like
Durable A2 stainless steel
Includes head in length
Secure fit with precise dimensions
Convenient resealable packaging
#TOP 9

KADco® M10 A2 Stainless Steel Hex Set Screws

M10 x 10mm (20 pcs)
KADco® M10 A2 Stainless Steel Hex Set Screws Cover
KADco® M10 A2 Stainless Steel Hex Hexagon Head Set Screws Bolts Fully Threaded DIN 933 (M10 x 10mm (20 pcs))

The KADco® M10 Hex Screws are crafted from high-quality A2 (304) stainless steel, ensuring durability and resistance to corrosion. With a metric size of M10 and a pitch size of 1.5mm, these screws are versatile for various applications. Their fully threaded design provides a secure grip, giving you peace of mind during assembly. Packaged in a resealable plastic bag, they offer convenience for storage and easy access, making them an excellent choice for your projects.

What We Like
Durable stainless steel material
Fully threaded for secure grip
Metric sizing for versatility
Convenient resealable packaging
#TOP 10

KADco M8 Hex Socket Button Head Screws

Zinc
M8 x 45mm (10 pcs)
KADco M8 Hex Socket Button Head Screws Cover
KADco® M8 Hex Socket Button/Dome Head Allen Machine Screws Bolts High Tensile Grade 10.9 Bright Zinc Plated (M8 x 45mm (10 pcs))

The KADco M8 Screws are high tensile socket button head screws, made from Grade 10.9 material, ensuring durability and strength for your projects. The bright zinc plating provides corrosion resistance, making these screws suitable for various environments. With fully threaded design, they offer excellent grip and stability, allowing you to secure components effectively. Packaged in a resealable plastic bag, these screws are easy to store and reuse, ensuring you have them on hand when needed.

What We Like
High tensile strength
Corrosion-resistant coating
Fully threaded design
Convenient storage bag
Buying Guide Image
Editor's Notes

During our KADco hex bolt research, we found 21 KADco hex bolt products and shortlisted 10 quality products. We collected and analyzed 2,059 customer reviews through our big data system to write the KADco hex bolts list. We found that most customers choose KADco hex bolts with an average price of £8.02.

The KADco hex bolts are available for purchase. The top 10 picks range in price from a low of £7.00 to a high of £9.00, find the one that fits your budget. The seller of top 1 product has received honest feedback from 26 consumers with an average rating of 4.8.

Written by
Corey Phillips Avatar

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.