RS PRO Plain Steel Hex Socket Cap Screw, Hex Socket, M4 x 40 mm

Brought to you by RS Pro, a range of hex head socket screws suitable for hard to reach and difficult areas. Due to their narrow head design, they are perfect for small gaps and awkwardly positioned sockets. The high tensile steel confirms the strength of each screw used within machine repairs and maintenance. All models are highly reliable and excellent quality.