Top quality stainless steel M8 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.

Looking for a reliable and versatile solution to your fastening needs? Look no further than the M8 button head bolt from Speciality Metals. The bolts are made of high-quality, 304-grade stainless steel, which offers unparalleled durability and corrosion resistance. In addition, they are hygienic, so they are ideal for food processing and medical applications. The button head design ensures a secure fit, and the allen socket included simplifies installation and maintenance. You can rely on the M8 button head bolt to deliver whether you need a fastener for a specialised application or a general purpose solution for your business.

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 – M8 (8mm)
• 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.

Can Stainless Steel Button Head Bolts be Removed and Reused?

Stainless steel button head bolts can often be removed and reused, but there are several factors to consider:

1. Condition: The bolts should be in good condition, with no signs of wear, corrosion or deformation. The threads should be intact and free from galling or stripping.

2. Application: If the bolts were used in a high-stress or critical application, reusing them may not be advisable without first inspecting them for wear or fatigue, and possibly conducting tests to ensure they meet the required specifications.

3. Torque: If the bolts were torqued to their yield point or beyond, reusing them is generally not recommended as they may have undergone plastic deformation.

4. Coatings or Thread Lockers: If the bolts were used with thread lockers or other types of adhesives, removal may be more difficult and the adhesive will likely need to be reapplied upon reuse.

5. Material Compatibility: If the bolt was used in an environment where it was exposed to corrosive substances, inspect it carefully for signs of corrosion before reusing.

6. Manufacturer Guidelines: Always refer to the manufacturer’s guidelines or engineering specifications when considering reusing fasteners. Some manufacturers provide specific guidelines on whether and how their products can be reused.

7. Application Requirements: Some applications, especially critical ones like aerospace or automotive safety components, may have strict regulations prohibiting the reuse of fasteners.

8. Inspection: Before reusing, it’s a good practice to clean the bolt and inspect it carefully for any signs of wear, fatigue or other damage. Some industries require formal inspections and documentation before a fastener can be reused.

9. Retightening: When reusing a bolt, ensure that it is retightened to the appropriate torque specifications using a calibrated torque wrench.

10. Consult an Expert: When in doubt, consult an engineer or other qualified expert to determine whether it is safe and appropriate to reuse the bolt in the specific application.

What is the Maximum Temperature that Stainless Steel Button Head Bolts can Withstand?

The maximum temperature that stainless steel button head bolts can withstand depends on the specific grade of stainless steel used. 

1. 304 Stainless Steel: This grade is commonly used for general-purpose applications and can withstand temperatures up to approximately 870°C (1600°F).

2. 316 Stainless Steel: This grade offers better resistance to chloride corrosion and can generally withstand temperatures up to approximately 925°C (1700°F).

3. 321 Stainless Steel: This grade contains titanium stabilizers and can withstand temperatures up to around 900°C (1652°F), offering improved intergranular corrosion resistance at elevated temperatures.

4. 410 Stainless Steel: This is a martensitic stainless steel grade, and it can generally withstand temperatures up to around 650°C (1200°F).

5. A2 (equivalent to 304) and A4 (equivalent to 316) Stainless Steel: These are common European grades, with temperature tolerances similar to their 304 and 316 counterparts.

It’s crucial to consider that the above temperature limits are general guidelines and the actual performance can vary based on several factors like the manufacturing process, the presence of corrosive agents and stress on the bolts. Long-term exposure to elevated temperatures can also affect the mechanical properties of the bolt, like tensile strength and yield strength, potentially leading to bolt failure.

Can Stainless Steel Button Head Bolts be Used in Food Processing Equipment?

Yes, stainless steel 304 grade button head bolts can be used in food processing equipment. Stainless steel 304, also known as A2 stainless steel, is one of the most commonly used stainless steel grades and is considered safe for use in food processing and preparation. It has excellent resistance to a wide range of environments and is resistant to corrosion from most food-processing environments (except for environments with high chlorine content or high levels of salt). It also doesn’t affect the flavor of food and resists bacteria and germs, which makes it hygienic. This grade of stainless steel is commonly used in kitchen appliances, utensils and other food preparation equipment.

Can Stainless Steel Button Head Bolts be Used in Marine Environments?

Stainless steel button head bolts can be used in marine environments, but it is crucial to select the appropriate grade of stainless steel. The marine environment is highly corrosive due to the presence of saltwater, which can cause pitting and crevice corrosion in stainless steel. Grade 316 stainless steel, also known as A4 stainless steel, is often recommended for marine applications as it has higher resistance to chloride corrosion compared to grade 304 or A2 stainless steel. Grade 316 contains molybdenum, which enhances its resistance to pitting and crevice corrosion in chloride environments. However, even 316 grade stainless steel may suffer from corrosion in extreme conditions, such as in warm, chloride-rich, oxygen-poor environments.

Are Stainless Steel Button Head Bolts Suitable for Structural Applications?

Stainless steel button head bolts can be used in structural applications, but there are several important considerations to keep in mind.

1. Strength: Button head bolts have a lower tensile strength compared to hex head bolts or socket head cap screws, due to their smaller cross-sectional area. Therefore, they may not be suitable for high-strength structural applications.

2. Corrosion Resistance: Stainless steel provides excellent corrosion resistance, which is beneficial for structural applications exposed to corrosive environments. However, the specific grade of stainless steel should be selected based on the environment to which the structure will be exposed.

3. Size and Load Requirements: The size and load requirements of the application must be considered when selecting the bolt. The bolt must be appropriately sized and graded to handle the loads to which the structure will be subjected.

4. Building Codes and Regulations: Building codes and regulations often specify the types of fasteners that must be used for structural applications. It is essential to consult the relevant codes and regulations to ensure that the selected fasteners are appropriate for the intended application.

5. Installation: Proper installation of the bolts is crucial for ensuring the structural integrity of the application. The bolts must be installed according to the manufacturer’s recommendations and any applicable standards or regulations.

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The post (8mm) M8 Button Head Bolt Allen Socket Screws appeared first on Speciality Metals.

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.

We are also very proud of our ever expanding YouTube channel. 

The post (6mm) M6 Button Head Bolt Allen Socket Screws appeared first on Speciality Metals.

Top quality stainless steel button head socket 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.

Button head socket screws are a popular choice in a variety of industries for their durability, versatility and low maintenance requirements. The M5 (5mm) size made from 304 grade stainless steel by Speciality Metals is especially popular due to its hygienic properties and corrosion resistance. Designed for applications where safety is paramount, these screws are reliable and secure. From food processing plants to marine applications, button head socket screws are an excellent balance of strength and convenience. Providing corrosion resistance and hygienic properties, they are an excellent investment for any project.

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 – M5 (5mm)
• 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.

Can Stainless Steel Button Head Bolts be Used in Load-Bearing Applications?

Stainless steel button head bolts can be used in load-bearing applications, but there are several factors to consider before deciding if they are the most suitable choice for your specific application:

1. Material: Stainless steel is generally strong and corrosion-resistant, which makes it a good choice for applications exposed to environmental elements. However, its mechanical properties, such as tensile strength and yield strength, are usually lower than those of high-strength alloy steel bolts. Make sure the stainless steel bolt you choose has adequate strength for your application.

2. Head Type: The button head design has a lower profile and smaller bearing surface area compared to hex head or socket head bolts. This means that the force exerted on the material being fastened is concentrated over a smaller area, which could potentially cause the material to deform or fail, especially in soft materials or thin sections.

3. Load Type: Consider the type of load the bolt will be subjected to. Is it a shear load, tension load or a combination of both? Button head bolts may not be as suitable for high-tension applications as other head types.

4. Installation: Ensure that the holes are drilled precisely and that the bolts are installed correctly. Incorrect installation can lead to reduced load-bearing capacity and potential failure.

5. Standards and Specifications: Make sure the bolts you select comply with the relevant standards and specifications for your application. For example, the ASTM (American Society for Testing and Materials) and ISO (International Organisation for Standardisation) have specific standards for bolts that cover aspects such as material properties, dimensions, and testing requirements.

What is the Tensile Strength of Stainless Steel Button Head Bolts?

The tensile strength of stainless steel button head bolts can vary based on the grade of stainless steel used. Here are some common stainless steel grades and their typical tensile strengths:

1. 304 Stainless Steel: This is one of the most common grades of stainless steel used for bolts and fasteners. It has a typical tensile strength of around 515 – 620 MPa (75,000 – 90,000 psi).

2. 316 Stainless Steel: This grade has a higher corrosion resistance compared to 304 stainless steel and is often used in marine applications. It has a typical tensile strength of around 515 – 690 MPa (75,000 – 100,000 psi).

3. A4-80 Stainless Steel: This is a high-strength austenitic stainless steel grade with a minimum tensile strength of 800 MPa (116,000 psi).

Are Stainless Steel Button Head Bolts Resistant to Chemical Exposure?

Stainless steel, in general, has good resistance to a wide range of chemicals due to its passive film – a chromium-rich oxide layer that forms on the surface of the steel. This oxide layer protects the underlying material from corrosion. However, the corrosion resistance of stainless steel button head bolts can vary based on:

1. Grade of Stainless Steel: Different grades of stainless steel have different levels of resistance to chemicals. For example, 316 stainless steel has better resistance to chlorides and other corrosive agents compared to 304 stainless steel.

2. Concentration and Temperature of Chemicals: The concentration and temperature of the chemical agents can affect the corrosion resistance of stainless steel. Higher concentrations and temperatures can increase the rate of corrosion.

3. Presence of Other Chemicals: The presence of other chemicals, especially chlorides, can also affect the corrosion resistance of stainless steel.

While stainless steel bolts have good resistance to many chemicals, they are not immune to all types of chemical exposure. For example, stainless steel is generally not recommended for use with hydrochloric acid or sulfuric acid at high concentrations and temperatures.

It is always recommended to check the manufacturer’s specifications, consult a specialist or use a corrosion resistance chart for the specific grade of stainless steel you are using.

Can Stainless Steel Button Head Bolts be Welded?

Stainless steel button head bolts can technically be welded, but it is not recommended for several reasons:

1. Material Properties: The heat from welding can alter the material properties of the bolt, potentially reducing its strength and corrosion resistance. Stainless steel is especially prone to a phenomenon known as ‘sensitisation’, where the chromium in the steel forms carbides at the grain boundaries, leading to reduced corrosion resistance in those areas.

2. Residual Stresses: Welding can introduce residual stresses into the bolt, which can lead to distortion or cracking, especially under load.

3. Heat Treatment: Many stainless steel bolts are heat treated to achieve the desired mechanical properties. Welding can alter the heat treatment and, therefore, the properties of the bolt.

4. Thread Integrity: The threads of the bolt may be damaged by the heat of welding, affecting the bolt’s ability to properly engage with a nut or threaded hole.

If you need to attach a bolt to a piece of metal, it is usually better to use a nut, tap a thread into the metal, or use a threaded insert rather than welding the bolt. If welding is absolutely necessary, consider using a stud or a specially designed weld bolt rather than a standard bolt.

Are Stainless Steel Button Head Bolts Recyclable?

Yes, stainless steel button head bolts are recyclable. Stainless steel is 100% recyclable, and it is one of the most recycled materials in the world. The recycling process involves melting the stainless steel and reforming it into new products. The quality of the stainless steel does not degrade during the recycling process, and it can be recycled indefinitely without loss of properties.

Recycling stainless steel is also environmentally friendly as it reduces the need for mining new materials and the energy required for producing new steel. Many steel manufacturers actively seek scrap stainless steel for recycling and use it as a significant component in the production of new steel.

We are also very proud of our ever expanding YouTube channel. 

The post M5 (5mm) Button Head Socket Screws Allen Bolts appeared first on Speciality Metals.

Top quality stainless steel button head bolt 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.

Speciality Metals offers M4 (4mm) button head bolt Allen socket screws that are made from 304 grade stainless steel. Because they are low maintenance and have hygienic properties, they are ideal for a variety of industries, including food and medicine. They are corrosion-resistant, as well as providing a secure fit, ensuring the safety and integrity of your project. Count on Speciality Metals’ button head bolts to deliver the quality and performance you need.

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 – M4 (4mm)
• 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.

What is a Button Head Bolt Screw?

A button head screw, is a type of fastener that has a rounded or dome-shaped head. The head is typically wider than that of a standard screw, which provides a larger bearing surface and is often used for aesthetic purposes as it creates a neat and finished look. The drive type for button head screws can vary, but common ones include hex, Phillips or Torx. Button head screws are used in a variety of applications including machinery, tools and structural assemblies, and are commonly found in automotive, electronic and furniture applications. They are available in a variety of materials, sizes and thread types, including stainless steel, which is commonly used for its corrosion resistance.

Are Stainless Steel Button Head Bolts Resistant to Corrosion?

Stainless steel 304 grade is one of the most commonly used types of stainless steel and is known for its ability to resist corrosion. The 304 grade contains a significant amount of chromium (18-20%) and nickel (8-10.5%) which allows it to form a passive layer of chromium oxide on its surface that provides a degree of protection against corrosive elements. However, while 304-grade stainless steel button head bolts offer good corrosion resistance in many environments, they are not immune to corrosion. They can be susceptible to pitting and crevice corrosion in chloride environments or when exposed to high temperatures for prolonged periods. Also, in low-oxygen or high-salinity environments, even 304 stainless steel can corrode because the protective oxide layer may not be able to form or maintain itself. Additionally, stress from tension or vibration can lead to stress corrosion cracking in specific conditions. Therefore, while 304-grade stainless steel button head bolts offer good corrosion resistance in many applications, they may not be suitable for all environments, particularly those with high chloride concentrations, high temperatures or low oxygen availability. It’s important to carefully consider the specific application and environmental conditions when selecting the material for your bolts.

Can Stainless Steel Button Head Bolts be Used in Marine Applications?

Stainless steel button head bolts can be used in marine applications, but it is important to select the appropriate grade of stainless steel. The marine environment is particularly challenging due to the presence of saltwater, which is highly corrosive.

Grade 316 stainless steel is often recommended for marine applications due to its higher resistance to chloride corrosion compared to grade 304 stainless steel. Grade 316 contains molybdenum, which enhances its resistance to pitting and crevice corrosion in chloride environments.

However, even 316-grade stainless steel is not immune to all forms of corrosion in the marine environment, particularly in areas with high salinity, low oxygen or high temperatures. For critical applications or harsh environments, it may be necessary to consider even more corrosion-resistant materials, such as duplex or super duplex stainless steels or to apply additional protective coatings.

It is also important to consider other factors, such as mechanical stress and galvanic corrosion, when selecting fasteners for marine applications.

What are the Common Applications of Stainless Steel Button Head Bolts?

1. Architectural and Structural Applications: Used in buildings, bridges and other structures where both aesthetic appeal and resistance to the elements are important.

2. Automotive Applications: Used in vehicles, particularly in parts exposed to the elements or where a smooth, low-profile head is desired.

3. Equipment and Machinery: Used in the assembly of equipment and machinery, particularly in the food and beverage, pharmaceutical and chemical industries where corrosion resistance is important.

4. Electronics: Used in the assembly of electronic devices and equipment where a smooth, low-profile head is desired.

5. Outdoor Applications: Used in outdoor structures, such as decks, fences and playground equipment, where resistance to the elements is important.

6. Aerospace: Used in the assembly of aircraft and other aerospace equipment where strength, weight and resistance to the elements are important.

What types of driver are used for stainless steel button head screws?

Stainless steel button head screws commonly use an Allen (hexagonal) wrench for installation and removal. This is because the hex socket drive allows for higher torque application compared to other drive types. However, stainless steel button head screws can also be found with other drive types such as Phillips, Torx (star) or slotted, depending on the manufacturer’s design. The choice of drive type will depend on the application and the tools available. Hex and Torx drives are generally preferred for applications requiring higher torque.

We are also very proud of our ever expanding YouTube channel. 

The post M4 (4mm) Button Head Bolt Allen Socket Screws appeared first on Speciality Metals.

Top quality stainless steel button head 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.

If you’re looking for high-quality M3 (3mm) button head screws Allen socket bolts, then Speciality Metals is the company to turn to. These screws come in a variety of sizes, including M3 x 6mm, M3 x 10mm, M3 x 16mm, M3 x 20mm, M3 x 25, M3 x 30, M3 x 40, and M3 x 50. Each screw is made from A2 grade stainless steel, ensuring that you get the strength and durability you need to complete your project. And if you’re also in need of 430 stainless steel sheet metal, you’ll be glad to know that Speciality Metals has got you covered there as well. With their top-notch products and exceptional customer service, you can trust that Speciality Metals will help you to achieve your goals.

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 – M3 (3mm)
• 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.

What Button Head Options Are Available?

Our M3 (3mm) Button Head Screws Allen Socket Bolts provide a sleek, streamlined and robust solution for your fastening needs. Crafted with precision, these bolts offer superior strength and reliability. The button head style presents a clean and low-profile look, making them a perfect choice for applications requiring a discreet appearance.

One notable characteristic of these screws is the Allen (hex) socket drive, which allows for higher torque installation than traditional screwdrivers, ensuring a more secure fit. The use of Allen wrenches or Allen bits also minimizes the risk of cam-out, which is when the driver slips out and potentially damages the screw head or the surrounding material.

We offer a diverse range of lengths to ensure you can find the perfect fit for your particular application. Below are the available sizes:

1. M3 x 6mm: This is one of our shortest options, ideal for lightweight or thin material applications where a minimal bolt length is required.

2. M3 x 10mm: Slightly longer than the previous, this size can be used in a variety of general purpose fastening tasks.

3. M3 x 16mm: This length can provide more grip, suitable for thicker materials or joining multiple components.

4. M3 x 20mm: For projects that require a little extra reach, this length offers more versatility.

5. M3 x 25mm: This length is useful when you have a bit more depth to cover, such as in joining parts with pre-drilled holes.

6. M3 x 30mm: This size can be employed when the items you’re securing are of considerable thickness or when you need to accommodate spacers or washers.

7. M3 x 40mm: Ideal for larger projects or thicker materials, these bolts provide ample length for secure fastening.

8. M3 x 50mm: This is the longest size we offer in this range, perfect for more substantial projects where significant reach is required.

All our M3 Button Head Screws Allen Socket Bolts are designed to deliver high performance and longevity, making them an excellent choice for both professional and DIY applications. Whether you are carrying out repairs, construction, or manufacturing tasks, these bolts provide the quality and versatility you need.

What Is An Allen Cap Screw?

An Allen cap screw, also known as a socket cap screw, is a type of fastener that is designed to be driven in using an Allen wrench (hex key). These screws typically have a cylindrical cap with a hexagonal hole on the top.

The primary advantage of Allen cap screws is that they can be tightened or loosened with more torque than a traditional screw with a standard head, such as a Phillips or flat head. This makes them suitable for applications where a strong, tight connection is needed. They are often used in machinery, vehicles, and other high-stress environments.

The Allen cap screw’s design also allows it to be inserted into a hole with the head flush with or below the surface, which can provide a cleaner, more streamlined look and feel to the finished product.

We are also very proud of our ever expanding YouTube channel. 

The post M3 (3mm) Button Head Screws Allen Socket Bolts appeared first on Speciality Metals.