Sirius Button Head Socket Screws A4 316 Stainless Steel M5 40mm Pack of 1

This Sirius Button Head Socket Screw is size M5 x 40mm, providing an extended fixing length for applications requiring deep thread penetration in thicker materials. The 40mm length suits structural panels, outdoor fixtures and marine installations where a longer M5 fixing is required. Features and Benefits: • A4 316 stainless steel — corrosion and saltwater resistant • Low-profile button head for a neat finish • Internal hex socket drive for high-torque installation • Precisi