Sirius 12.9 Grade Socket Head Cap Screws M6 40mm Pack of 1

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Sirius 12.9 Grade Socket Head Cap Screws M6 40mm Pack of 1

Engineered for high-stress fastening applications, this Sirius M6 socket head cap screw delivers exceptional tensile strength and reliable clamping force. Manufactured from premium alloy steel and heat-treated to grade 12.9, it outperforms standard fasteners in demanding mechanical assemblies, offering superior resistance to shear and fatigue. The black finish provides a professional appearance while offering moderate corrosion protection, making it suitable for use in automotive, machinery, and industrial settings. With a precision-formed hex socket drive, this screw allows for secure torque application using standard hex keys, minimising the risk of cam-out and ensuring a firm, repeatable installation every time. Designed as a single-piece fastener, it is ideal for repairs, replacements, or custom projects that require exact dimensional accuracy and consistent performance.

- Grade 12.9 alloy steel construction for high tensile strength

- Fully threaded along the entire 40mm length for maximum grip

- Black oxide surface finish for improved wear resistance

- Hex socket drive for positive engagement and controlled tightening

- M6 metric thread with standard pitch for compatibility with common nuts and tapped holes

- Precision-formed threads for smooth, consistent installation

- Compact socket head profile allows use in recessed or confined spaces

- Single screw supplied per pack – suitable for targeted applications

Perfect for critical fixings where reliability and strength are non-negotiable.

GTIN: 5056293252997