The 27MM Impact Socket 1/2dr-pckd is a 27 millimetre, 6-point impact socket with a 1/2 inch square drive designed specifically for use with pneumatic and battery-powered impact wrenches. Its primary use is to apply and remove hexagonal nuts and bolts where high torque and shock loading are required, such as in vehicle maintenance, plant servicing and heavy equipment repair.

This socket is manufactured from chrome-molybdenum (Cr-Mo) impact-grade alloy steel and is heat-treated for toughness and fatigue resistance under repeated impact. The external finish is a black phosphate/oxide coating to provide corrosion resistance and to minimise surface wear; the interior is machined to a precise 6-point hex profile to reduce rounding on fasteners. The drive interface is a 1/2" square female recess compatible with standard 1/2" anvil pins and retaining detents. The component is produced to industry-recognised dimensional and manufacturing tolerances in line with DIN, ISO and BS socket standards for interchangeable hand-tool fittings.

Typical applications include automotive wheel nuts and suspension fastenings, agricultural machinery servicing, construction plant maintenance and commercial vehicle workshops. The impact-grade material and heat treatment deliver the toughness needed when using high-torque impact tools, while the 6-point profile gives superior load distribution on hex heads compared with 12-point designs, reducing the risk of fastener damage in repeated service environments.

Key benefits of this 27mm impact socket are its compatibility with standard 1/2" drive impact tools, the corrosion-resistant phosphate finish for longer service life in workshop conditions, and the strength and toughness of Cr-Mo alloy steel which tolerates the shock loading from impact guns. The accurate hex profile also improves torque transfer and reduces slippage on worn fasteners.

Duchy Fasteners stocks a wide range of impact sockets and related accessories; this 27mm socket is available individually packed and as part of 1/2" drive impact socket sets. Please contact Duchy Fasteners for current size availability and pack quantities.