RS PRO Stainless Steel Hex Socket Button Screw, ISO 7380, M6 x 40mm

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Subtotal (1 box of 50 units)*

£35.28

(exc. VAT)

£42.34

(inc. VAT)

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In Stock
  • 7 unit(s) ready to ship
  • Plus 13 unit(s) ready to ship from another location
  • Plus 20 unit(s) shipping from 21 October 2025
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Box(es)
Per Box
Per unit*
1 - 4£35.28£0.706
5 - 9£33.53£0.671
10 - 29£31.75£0.635
30 +£29.63£0.593

*price indicative

RS Stock No.:
304-4722
Brand:
RS PRO
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Brand

RS PRO

Imperial or Metric

Metric

Thread Size

M6

Length

40mm

Head Shape

Hex Socket Button

Material

Stainless Steel

Stainless Steel Type

A4 316

Thread Type

Metric

Thread Pitch

1mm

Standards Met

ISO 7380

RS Pro Socket Screws - Hex Button Head


Brought to you by RS Pro, an extensive range of button head socket screws. Made from high-quality stainless steel and utilising a hex cap for a simple and effective installation. These screws are perfect for various applications, such as machine repairs or construction. Great quality socket screws ensure peace of mind with a durable and robust build. All models are highly reliable and excellent quality.

Features and Benefits


• Various thread sizes available, including M3 and M4
• High-quality threaded design ensures a comfortable screw into the socket
• Stainless steel
• Head height is equal to shank diameter
• More cost effective than titanium

What type of head do these screws have?


As standard, this entire range comes with button hexagon cap heads built onto the screws. Meaning a hexagon key will need to be used to fully secure the screws into their corresponding sockets. Please make note of the thread sizes of screws you are using as the sockets will need to have identical metric threads to be fixed.

Benefits of Stainless Steel


Stainless steel is useful for more than just a visual purposes. The main highlight would be the superior corrosion resistance, stopping unwanted issues like rusting. High heat resistance is also a big benefit, due to the way stainless steel is created, it can withstand an incredible amount of heat as opposed to screw or socket made from standard steel. The only possible issue may be cost, however a reliable and durable material will not only increase the longevity of the application, but also the sustainability.

What are socket screws used for?


Although uses may very, as standard, these screws are fasteners for industrial equipment or machines which requires parts to be fixed onto a surface or together. The socket will need to be the same metric thread as the screw itself. As an example, some of the types of uses would be:

• Fasteners and fixings
• Machine tooling and repair
• Security guarding
• Electronic applications
• Automotive industry

What is a socket screw?


Socket screws are defined by their name. They are a type of threaded bolt which screws into the intended socket. There are various thread sizes and lengths and can be used for both industrial and personal purposes. A good quality and reliable RS Pro socket screw ensures the fixing will remain strong and stable, whatever the application.