Premium 12.9 Grade Alloy Steel: Manufactured from the highest grade 12.9 alloy steel, these screws provide maximum tensile strength and exceptional durability for high-stress applications in automotive, machinery, and industrial equipment.
Protective Black Oxide Coating: The professional black oxide finish enhances corrosion resistance and wear performance, offering reliable protection in challenging environments while maintaining a low-glare surface.
Versatile 40mm Intermediate Length: The balanced 40mm length delivers optimal performance for medium-thickness materials, providing deep thread engagement for machinery assemblies, brackets, and structural applications.
High-Torque 5mm Hex Socket: Precision-engineered 5mm internal hex socket allows for secure tool engagement and high-torque installation using standard Allen keys, preventing stripping and ensuring reliable fastening.
Practical 25-Piece Value Pack: This 25-count package offers the perfect quantity for professional projects and repairs, providing excellent value while ensuring you have enough high-strength fasteners for your needs.
Description
Experience superior fastening performance with these M6 x 40mm Socket Head Cap Screws. Crafted from 12.9 grade alloy steel and finished with protective black oxide,
this 25-piece set delivers professional-grade reliability for demanding applications in manufacturing, automotive, and industrial maintenance.
These screws represent the peak of fastener engineering, featuring 12.9 grade alloy steel construction that ensures maximum strength and resistance to shock loads.
The black oxide surface treatment provides enhanced corrosion protection while maintaining a durable, low-reflection finish that stands up to rigorous use in mechanical assemblies and equipment.
The 40mm length offers exceptional versatility for various applications, delivering sufficient thread engagement for secure fastening in medium-thickness materials.
Whether you're working on machinery frames, automotive components, or industrial brackets, these screws provide the perfect balance of strength and practicality for professional results.
The precision-machined 5mm hex socket ensures positive engagement with standard Allen keys, allowing for high-torque installation without cam-out or damage to the screw head.
The fully threaded design guarantees consistent clamping force and reliable performance across all your projects.