This is a 28mm 12-point socket with a 1/2" square drive, intended for removing and tightening hexagonal and 12-point fasteners in hand and workshop applications. The socket provides a compact engagement profile that allows operation where swing clearance is limited and is designed to be used with 1/2" ratchets, breaker bars, extension bars and torque wrenches.

The socket is manufactured from chrome vanadium (Cr-V) alloy steel that has been heat treated and tempered to give high tensile strength and improved wear resistance suitable for repeated hand-tool use. The external surface is bright chrome plated to resist corrosion and to aid cleaning after exposure to oil and workshop contaminants. The tool conforms to recognised industry dimensional standards for sockets and is compatible with tools meeting common DIN/ISO/BS hand tool tolerances, ensuring reliable fit with standard 1/2" drive accessories.

The 12-point head form (double hex) allows the socket to engage fasteners at 30° increments, reducing the required swing arc compared with 6-point designs and enabling engagement on worn or slightly rounded nuts. The internal profile accepts both 12-point and six-sided fasteners, offering versatility across different fastener types. Drive type is 1/2" (12.7mm) female square, suitable for use on typical workshop ratchets and torque tools.

Typical applications include automotive maintenance, heavy vehicle and plant servicing, agricultural machinery repair, mechanical engineering and construction equipment refurbishment where larger metric fasteners are common. The combination of chrome vanadium material and chrome finish gives improved corrosion resistance in workshop environments and the heat-treated core provides the strength needed to apply and resist significant torque from hand tools.

Duchy Fasteners stocks this Draper Tools Group D item (DR13253) in bulk packs and single-piece options. Sizes are available across the metric range for 1/2" drive sockets; please contact us for pack quantities, individual sizes and availability for trade or site orders.