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Sirius 12.9 Grade Socket Head Cap Screws M4 30mm Pack of 1 - Image 1
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Sirius 12.9 Grade Socket Head Cap Screws M4 30mm Pack of 1

Sirius

Compare today's prices on the "Sirius 12.9 Grade Socket Head Cap Screws M4 30mm Pack of 1".

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Last Updated: 19/09/2026
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Product Description

Compare today's prices on the "Sirius 12.9 Grade Socket Head Cap Screws M4 30mm Pack of 1".

Sirius 12.9 Grade Socket Head Cap Screws M4 30mm Pack of 1

These Sirius black grade 12.9 socket head cap screws offer exceptional tensile strength and durability for demanding fastening applications. Engineered from high-tensile alloy steel, they provide reliable clamping force and resistance to shearing, making them ideal for use in machinery, automotive assemblies, and structural projects where performance and safety are paramount. The black finish also adds a layer of corrosion protection and a professional appearance.

- Manufactured to grade 12.9 specification, the highest standard for socket head cap screws, delivering superior hardness and strength

- Fully threaded along the entire 30mm length for maximum grip and secure fastening in shallow or through-hole applications

- Hex socket drive enables quick, positive engagement with standard hex keys, reducing the risk of cam-out

- Black oxide surface finish offers mild corrosion resistance and reduces glare

- Metric M4 thread size with a 0.7mm pitch, precision cut for consistent fit

- Single screw per pack – ideal for replacements or small projects needing exact quantities

- Complies with ISO 4762 / DIN 912 dimensional standards for interchangeability

Trust these high-grade screws to hold fast even under heavy loads and vibration. Perfect for engineers, mechanics, and DIY enthusiasts who demand reliability from every fastener.

GTIN: 5056293252409