HT Allen Socket CSK Screw:M18 x 50 - DIN 7991/12.9/Black/Full Thread

This high-tensile fastener is a steel countersunk head screw with an internal hexagon drive, manufactured to the DIN 7991 standard. It features a nominal M18 diameter and 50 mm length with full threading along the shank for maximum gripping strength. Rated to a 12.9 property class, it delivers superior structural integrity compared to lower-grade alternatives, making it suitable for heavy-duty mechanical connections. The black surface finish provides a distinct visual identification and basic corrosion resistance for industrial environments. Select this specific size and grade when your application requires a flush-fitting head with the highest available tensile strength in the M18 range.