M6 Button Head Bolt Screws

Top quality stainless steel M6 button head bolt screws supplied straight from Warrington, UK.

Apart from our extensive range of button head screws, Speciality Metals stocks a variety of both standard fasteners and specialist fasteners, including both steel and stainless steel fasteners, nuts and bolts, screws and steel washers.

We ensure that we offer a comprehensive range which meets the needs and requirements of each and every one of our customers, whether you are looking for standard fasteners or something a little more unusual.

The M6 button head bolt is an extremely versatile and reliable fastener that can be used for a variety of applications. A 304-grade stainless steel composition makes Speciality Metals’ M6 button head bolts durable and corrosion-resistant, making them ideal for harsh environments. Foodservice, medical, and pharmaceutical industries find these bolts to be a safe and reliable choice due to their hygiene properties. A dependable and long-lasting fastening solution, M6 button head bolts are easy to maintain and provide secure fastening.

We also offer washers that will compliment our range of screws and bolts perfectly. 

Key product details:

• Standard – DIN 912
• Fasteners Type – Button Head Allen Socket Bolt Screw
• Shape – Round
• Drive Style – Allen Key
• Thread Diameter – M6 (6mm)
• Screw Length – Various
• Metal – Stainless steel grade 304 (A2)

Why Choose Speciality Metals

• FREE UK delivery on all orders
• Order dispatch within 24 hours of order
• Located in Warrington, UK which is the UK home of mesh and metals
• Our experienced staff are experts in the mesh market and care personally about your customer experience

Furthermore we stock a vast range of plain wire mesh and perforated metal options that compliment our sheet metal range perfectly.

Do Stainless Steel Button Head Bolts Require a Washer?

Using a washer with stainless steel button head bolts is not always necessary, but it can be beneficial in certain applications:

1. Load Distribution: A washer helps distribute the load more evenly over the surface of the material being fastened, which can be particularly important for soft materials that may deform under the load of the bolt head.

2. Preventing Damage: A washer can help prevent the bolt head from damaging the surface of the material being fastened.

3. Preventing Loosening: A washer can help prevent the bolt from loosening due to vibration or thermal expansion and contraction.

4. Galvanic Corrosion: A washer made of a similar material as the bolt can help prevent galvanic corrosion by preventing direct contact between dissimilar metals.

While washers are commonly used with hex head bolts or screws, the large bearing surface of button head bolts or screws can sometimes make the washer unnecessary. However, it is always important to consider the specific requirements of the application and the recommendations of the manufacturer or a relevant standard.

Can Stainless Steel Button Head Bolts be Painted?

Yes, stainless steel button head bolts can be painted, but there are a few important considerations to keep in mind:

1. Surface Preparation: Proper surface preparation is crucial for good paint adhesion. The surface of the stainless steel bolt should be clean, dry, and free of any grease, oil or other contaminants. Lightly sanding the surface with fine-grit sandpaper can help create a better surface for the paint to adhere to.

2. Primer: It is recommended to use a primer that is specifically designed for use on stainless steel. This will help the paint adhere better to the surface and provide a more durable finish.

3. Paint: Use a paint that is compatible with the primer and is suitable for the intended application. For example, if the bolt will be used in an outdoor application, a paint with UV and weather resistance would be appropriate.

4. Curing: Allow the paint and primer to cure fully according to the manufacturer’s recommendations before installing the bolt.

Are Stainless Steel Button Head Bolts Magnetic?

The magnetism of stainless steel button head bolts depends on the grade of stainless steel used. Common grades of stainless steel used for bolts and other fasteners include 304 and 316, which are austenitic grades of stainless steel and are generally non-magnetic. Austenitic stainless steel has a microstructure that is face-centered cubic at all temperatures, which results in its non-magnetic properties. However, cold working or machining of austenitic stainless steel can introduce some magnetism. Other grades of stainless steel, such as 410 and 420, are martensitic and are magnetic. Martensitic stainless steel has a body-centered cubic microstructure and can be hardened by heat treatment, which results in its magnetic properties. Therefore, whether a stainless steel button head bolt is magnetic or not will depend on the specific grade of stainless steel used, as well as any processing the material has undergone.

What is the Difference Between a Button Head Bolt and a Socket Head Cap Screw?

The main differences between a button head bolt and a socket head cap screw lie in the shape of their heads and the applications they are used for.

1. Head Shape:

   • Button Head Bolt: This has a domed, rounded head with a flat bearing surface underneath. The head of a button head bolt is wider and has a lower profile compared to a socket head cap screw. It has a smooth and aesthetic finish which makes it suitable for applications where the fastener is visible and a more decorative appearance is desired.
   • Socket Head Cap Screw: This has a cylindrical head with a flat top surface and a recessed hexagonal (Allen) drive. The head of a socket head cap screw is narrower and taller compared to a button head bolt. It is designed to be used in applications where higher tightening torques are required and where the fastener may be recessed.

2. Applications:

   • Button Head Bolt: Commonly used in applications where aesthetics are important, and the required tightening torque is not very high. Examples include furniture, consumer electronics, and other light-duty applications.
   • Socket Head Cap Screw: Used in applications where higher tightening torques are needed and where the head of the fastener may need to be recessed. Examples include machinery, automotive and industrial applications.

3. Drive Type:

   • Button Head Bolt: Typically has an Allen (hexagonal) drive but can also be found with other drive types such as Phillips, Torx or slotted.
   • Socket Head Cap Screw: Typically has an Allen (hexagonal) drive.

What Tools are Needed to Install Stainless Steel Button Head Bolts?

The tools needed to install stainless steel button head bolts depend on the type of drive the bolts have. Most commonly, stainless steel button head bolts have an Allen (hexagonal) drive, so you would need an Allen wrench or hex key of the appropriate size for installation.

Here are the tools you might need depending on the drive type:

1. Allen (Hexagonal) Drive: Allen wrench or hex key of the appropriate size.

2. Phillips Drive: Phillips screwdriver of the appropriate size.

3. Torx (Star) Drive: Torx screwdriver or bit of the appropriate size.

4. Slotted Drive: Flathead screwdriver of the appropriate size.

Additionally, if you are installing the bolt into a material that has not been pre-drilled or threaded, you may also need:

1. Drill: To make a hole for the bolt if the material has not been pre-drilled.

2. Tap: To thread the hole if the material is not pre-threaded and the bolt is being installed into a threaded hole.

3. Thread Gauge: To ensure the threads of the hole match the threads of the bolt.

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