Facom 1/4" Drive Hexagon Socket Metric 1/4" 5.5mm

About this tool

The Facom R Series 5.5mm socket fills a crucial gap in metric sizing, providing the perfect solution for fasteners that fall between the standard 5mm and 6mm sizes. This specialist socket is essential for work with precision equipment, instrumentation, and imported machinery using non-standard metric fasteners. Equipped with Facom's OGV® profile technology, this 5.5mm socket delivers superior torque transmission whilst protecting fastener heads from damage. The 6-point design creates optimal contact with hexagonal nuts and bolts, dramatically reducing the risk of rounding when working with these less common fastener sizes. The bright chrome finish provides excellent corrosion resistance and maintains its appearance even after extensive use. Manufactured to comply with international standards including NF ISO 2725-1, NF ISO 1711-1, ISO 2725-1, ISO 1711-1, DIN 3124, and ASME B107.5, this socket delivers the quality expected by professional users. Features and Benefits: • OGV® profile for powerful tightening • 6-point design maximises contact • Bright chrome finish resists corrosion • Specialist size for non-standard fasteners Specifications: Size: 5.5mm Overall Length: 22mm Square Drive: 1/4"

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.