Home » Shop » (8mm) M8 Button Head Bolt Allen Socket Screws
£2.90 – £22.28 inc VAT
When it comes to finding the perfect bolt for your project, the M8 button head bolt is one of the top contenders. These screws from Specialty Metals, are crafted with high-quality 304 grade stainless steel that provides durability and versatility for all of your needs. What’s more, their low maintenance and hygienic properties make them an excellent choice for a wide range of applications. And, with their corrosion-resistant properties and secure hold, you can rest easy knowing that your project will remain safe and sound. Whether you’re tackling a DIY endeavor or managing a larger project, the M8 button head bolt is an exceptional choice that won’t disappoint.
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.
Speciality Metals is known to be the United Kingdom’s best up-and-coming small-quantity metal company.
Furthermore we stock a vast range of plain wire mesh and perforated metal options that compliment our sheet metal range perfectly.
Over 50,000 customers of Specialty Metals are provided with fast, friendly customer service every year. We’re the place to try when you need metal of any shape and size. We’re based in Warrington, UK. We pride ourselves on our rapid turnaround and a large range of options.
Stainless steel button head bolts can often be removed and reused, but there are several factors to consider:
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.
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.
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.
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.
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.
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.
Application Requirements: Some applications, especially critical ones like aerospace or automotive safety components, may have strict regulations prohibiting the reuse of fasteners.
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.
Retightening: When reusing a bolt, ensure that it is retightened to the appropriate torque specifications using a calibrated torque wrench.
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.
The maximum temperature that stainless steel button head bolts can withstand depends on the specific grade of stainless steel used.
304 Stainless Steel: This grade is commonly used for general-purpose applications and can withstand temperatures up to approximately 870°C (1600°F).
316 Stainless Steel: This grade offers better resistance to chloride corrosion and can generally withstand temperatures up to approximately 925°C (1700°F).
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.
410 Stainless Steel: This is a martensitic stainless steel grade, and it can generally withstand temperatures up to around 650°C (1200°F).
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.
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.
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.
Stainless steel button head bolts can be used in structural applications, but there are several important considerations to keep in mind.
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.
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.
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.
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.
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.
Check out our recent article ‘Stainless Steel Sheet Metal: A Helpful Guide’ for a deeper dive into all things stainless sheeting. Our goal for our blogs and help guides is to answer as many questions as possible to help to explain the possibilities of mesh to our customers.
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£1.53 – £24.74 inc VAT
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