RS PRO Stainless Steel Hex Socket Cap Screw, DIN 912, M4 x 20mm

RS Pro Socket Screws - Hexagon Cap Head

Brought to you by RS Pro, a range of hex head socket cap screws. Due to their narrow head and lengthy body shape, they are perfect for use in difficult and hard to reach areas. All threaded socket screws are designed to be long lasting and efficient within their applications, especially these A4 stainless steel versions. All models are highly reliable and excellent quality.

Features and Benefits

• Various thread sizes available, including M3 and M4
• High-quality threaded design ensure the screws will glide into the socket
• A4 (316) stainless steel material as standard
• 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 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.

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.

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

Benefits of Stainless Steel

Stainless steel is useful for more than just 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.