HT Allen Socket CSK Screw:M3 x 40 - DIN 7991/12.9/Black/Full Thread

This high-tensile Allen socket countersunk screw is manufactured from steel and conforms to the DIN 7991 standard, ensuring consistent dimensions for industrial applications. Rated to property class 12.9, it delivers superior strength and fatigue resistance compared to standard grade fasteners, making it ideal for high-load assemblies. The M3 nominal diameter and 40 mm nominal length specify the exact fit for your component spacing and clamping depth. A black surface finish provides a uniform appearance and basic corrosion protection, while the full thread ensures maximum engagement across the entire shank. Select this specification when you require a flush-mounted, high-strength connection that withstands significant mechanical stress.