Our M4 machine screws come in different lengths and head types such as cylindrical or countersunk depending on the type of fitting you require. They're made from a durable carbon steel and come with a nut for tightening metal surfaces together. The M4 machine screw has a thread diameter of 4 millimetres, in simple terms the M stands for millimetres followed by the size – in this case 4 mm.
M4 Machine Screws
Our M4 machine screws come in different lengths and head types such as cylindrical or countersunk depending on the type of fitting you require. They're made from a durable carbon steel and come with a nut for tightening metal surfaces together. The M4 machine screw has a thread diameter of 4 millimetres, in simple terms the M stands for millimetres followed by the size – in this case 4 mm.
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