RS PRO Bright Zinc Plated Steel Hex Socket Button Screw, ISO 7380, M4 x 6mm / 8229164

RS Pro BZP Socket Button Head Screw. Brought to you by RS Pro, this range of button head socket screws feature excellent capabilities within machine repair and fixing applications. A cost effective solution to the otherwise expensive stainless steel, these BZP steel versions excel as a fixing method. If corrosion isn't an issue, they are perfect for indoor applications. All models are highly reliable and excellent quality. Features and Benefits. Various thread sizes available, including M3 and M4 Strong BZP steel Head height is equal to shank diameter Cost effective. What is BZP?. Meaning bright zinc plating, a shiny coating is applied to the steel, this process prevents corrosion and rusting. If the application is situated within a harsh environment, BZP will provide much needed longevity and reliability. Although it may not be as effective as stainless steel, the added benefit would be the price. As stainless steel is completely rust proof, but expensive, BZP Steel offers a great solution and is massively cost effective. 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. 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. Standards. Threaded in accordance with ISO 7380 standard