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Sirius 12.9 Grade Socket Head Cap Screws M6 55mm Pack of 1 - Image 1
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Sirius 12.9 Grade Socket Head Cap Screws M6 55mm Pack of 1

Sirius

Compare today's prices on the "Sirius 12.9 Grade Socket Head Cap Screws M6 55mm 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 M6 55mm Pack of 1".

Sirius 12.9 Grade Socket Head Cap Screws M6 55mm Pack of 1

Crafted for high-stress applications where reliability is non-negotiable, this Sirius black socket head cap screw delivers exceptional tensile strength and durability. Manufactured from grade 12.9 alloy steel, it can withstand extreme loads and vibrations, making it ideal for automotive, engineering, and heavy machinery assemblies. The hex socket drive provides secure, slip-resistant torque transfer, allowing for precise tightening even in tight spaces. Whether you are repairing equipment or building custom fixtures, this screw ensures a long-lasting, secure fastening that you can trust.

- Black finish for corrosion resistance and a professional appearance

- Grade 12.9 high-tensile strength rating (the highest standard hex socket screw grade)

- Fully threaded up to 40mm for maximum grip; partially threaded from 40mm onwards (this 55mm version is partially threaded)

- Hexagon socket drive for reliable engagement with standard Allen keys

- M6 thread size and 55mm overall length – a popular choice for general engineering and automotive work

- Sold individually for precise quantity ordering, reducing waste and inventory cost

A robust fastener that meets demanding mechanical requirements.

GTIN: 5056293253055