A 24mm combination spanner is a hand tool with an open jaw at one end and a boxed (ring) end at the other, intended for fitting and turning 24 millimetre metric nuts and bolts. Its primary use is to provide a reliable, access-friendly means of applying torque to metric fasteners in confined or general workshop settings where a socket would be impractical.

This spanner is manufactured from heat-treated chrome‑vanadium (Cr‑V) alloy steel to provide the torsional strength and fatigue resistance required for repeated manual use. The surface is mirror‑polished and chrome plated to improve corrosion resistance and ease of cleaning. The boxed end is a 12‑point profile with a 15° offset to allow incremental repositioning in restricted spaces; the open end has a slim, parallel jaw profile to reduce rounding of nut corners. Thread type is not applicable to a spanner, and the drive is manual hand operation (non‑ratcheting).

The tool is produced to the dimensional and profile requirements commonly referenced for metric combination spanners, conforming to DIN standards for combination spanners (e.g. DIN 3113) and corresponding ISO/BS dimensional norms where applicable, ensuring compatibility with standard metric fasteners and interchangeability with other metric tools.

Typical applications include automotive repair and maintenance, mechanical engineering, plant and machinery servicing, agricultural machinery work and general fabrication and assembly. The corrosion‑resistant finish makes it suitable for use in environments where moisture is present, and the strength of the Cr‑V steel gives dependable performance on medium to high torque hand tasks without permanent deformation.

Key benefits of this 24mm combination spanner are its metric compatibility with 24mm nuts and bolts, enhanced corrosion resistance from chrome plating, improved access offered by the offset box end, and robust strength from heat‑treated chrome‑vanadium construction. It is a practical choice for technicians, engineers and maintenance teams requiring a durable, serviceable hand spanner.

Duchy Fasteners stocks this item (DR36927) individually and as part of combination spanner sets; sizes across our range commonly cover metric sizes from small to large (for example 6mm–32mm) and are available in single pieces or assorted packs—contact Duchy Fasteners for current stock and pack options.