Grade 10.9 self colour hexagon set screws provide a high-strength fastening solution for demanding engineering, machinery assembly and structural applications. Supplied in their natural steel finish, these fully threaded fasteners are ideal for situations where components will be painted, coated, welded or used indoors away from corrosive environments. Manufactured to ISO 4017 / DIN 933, they deliver exceptional clamping force and reliable mechanical performance under load.

Typical applications include machinery assembly, structural connections, heavy equipment mounting, automotive repairs and general engineering tasks requiring enhanced tensile strength. When paired with matching nuts and washers, Grade 10.9 set screws offer consistent tightening behaviour and dependable load distribution. Their combination of precision, strength and versatility makes them a trusted choice for high-performance mechanical and construction environments.