12.9 - Black Oxide - Hexagon socket knurled heads cap screw
Grade 12.9 Black Oxide Socket Cap Screws represent the pinnacle of strength in the metric fastener family. Designed for the most demanding engineering applications, these screws feature a knurled cylindrical head that provides excellent finger grip for rapid manual insertion. The combination of ultra-high tensile alloy steel (1200 N/mm²) and a black oxide thermal finish makes them the preferred choice for heavy machinery, mold making, and automotive performance parts where failure is not an option.
- Maximum Strength: Rated at Grade 12.9, providing the highest tensile and yield strength available in standard commercial fasteners.
- Knurled Head Design: Features a textured pattern on the head for improved grip, facilitating faster assembly and maintenance.
- Stock Availability: We maintain a vast inventory of DIN 912 sizes, ready for immediate dispatch to support urgent maintenance or production schedules.
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