This is a 15 mm 6‑point impact socket designed for use with 1/2in drive impact wrenches and rattle guns. It is intended to apply high torque safely to hexagonal nuts and bolts in heavy‑duty maintenance and repair work where pneumatic or battery impact tools are used rather than hand ratchets.

The socket is manufactured from chromium‑molybdenum alloy steel (Cr‑Mo) that has been heat treated to give the toughness required for repeated impact loading. The finish is a black phosphate/shot‑peened coating which gives a level of corrosion resistance and reduces surface wear. The unit features a 1/2in (12.7 mm) square drive recess with a detent hole compatible with retaining pins and O‑rings; internal thread is not applicable. The working end is a 6‑point (hex) profile sized to 15 mm to maximise contact with fastener flats and reduce rounding. The product is produced to the dimensional and performance requirements expected of modern impact sockets and meets relevant DIN, ISO and BS standards for drive sizes, socket geometry and material properties for impact service.

Typical applications include automotive and commercial vehicle repair, plant and machinery maintenance, construction equipment assembly, agricultural machinery workshops and industrial fabrication where frequent high‑torque fastening and removal is required. The 6‑point geometry is particularly useful on high‑torque or slightly rounded fasteners encountered in workshops and service yards.

Key benefits of this impact socket are its resistance to chipping and cracking under repeated impacts thanks to the Cr‑Mo construction and heat treatment, its improved corrosion resistance from the black phosphate finish, and its compatibility with standard 1/2in drive impact tools and retaining pin systems. The 6‑point head profile gives more surface contact with fastener flats than 12‑point designs, helping preserve fastener integrity under high torque.

Duchy Fasteners carries this item in bulk packaging for trade use and stocks a wide range of impact socket sizes and packs, including single items, multi‑piece sets and bulk trays across popular metric and imperial sizes. Please contact us for specific size ranges and pack quantities.