RS PRO Black Steel Hex Socket Countersunk Screw M8 x 50 mm Grade 10.9 DIN 7991 822-9158

RS PRO 822-9158 is a black steel hex socket countersunk screw with an M8 metric thread and 50 mm length. Made from high-strength 10.9 grade steel, it is designed for fastening applications where a flush surface is required. The hex socket countersunk head allows the screw to sit below or flush with the material surface ensuring a clean finish and high-quality appearance due to its black finish.

This screw conforms to the DIN 7991 standard, providing reliability and consistency in mechanical and industrial applications. Featuring a marked head for easy identification, it offers tensile strength of 1220 N/mm² and yield strength of 1100 N/mm², making it suitable for light duty uses like machine tooling, security guarding, and panel building.

The product requires a hex key for installation and is available in multiples of 11 units. These screws provide a balance of strength and aesthetic, suitable for various industrial, manufacturing, and mechanical tool applications.

The screw head is hex socket countersunk type for flush mounting. Material is 10.9 grade steel with black finish for durability. Thread size and diameter is M8 for metric compatibility. Length is 50 mm, suitable for light duty fastening needs.

Complies with DIN 7991 standards for socket screws. Offers tensile strength of 1220 N/mm² and yield strength of 1100 N/mm². Ideal for industrial and mechanical engineering uses.

This RS PRO socket screw is a reliable fastener choice for industrial tools, mechanical manufacturing, and assembly lines. For more quality fasteners and industrial tools, browse the Socket Screws category on EnvMart.