This is a 19 mm 12‑point socket with a 3/4‑inch square drive, designed primarily for heavy‑duty hand torque work where quick engagement and multiple indexing positions are required. It is used to apply controlled torque to hex and 12‑point fasteners in maintenance, repair and assembly tasks, and is intended for use with 3/4" drive ratchets, breaker bars, torque wrenches and extensions.

The socket is manufactured from chrome‑vanadium (Cr‑V) steel that has been heat‑treated and tempered to provide toughness and resistance to fracturing under load. The exterior is polished and chrome‑plated to afford corrosion resistance and ease of cleaning. The tool conforms to standard dimensional and drive‑fit requirements for sockets used in professional workshops and industrial environments (manufactured to recognised DIN/ISO/BS socket and square‑drive fit practice), with the drive interface being a 3/4" (19.05 mm) male square and the working end a 12‑point (double‑hex) profile. Thread type is not applicable to sockets; connection is by the standard square drive detent mechanism.

The 12‑point geometry permits engagement at 15° increments, which is especially useful where clearance is limited or rapid repositioning is needed. Typical applications include heavy vehicle and plant maintenance, construction machinery servicing, agricultural equipment, industrial assembly and mining operations. The socket is intended for hand tool use where predictable torque application is required; chrome‑plated Cr‑V sockets are not recommended for continuous impact‑gun use unless specified as impact grade.

Key benefits of this 19 mm 12‑point 3/4" drive socket include good corrosion resistance from the chrome finish, material toughness from the heat‑treated Cr‑V construction, and broad compatibility with standard 3/4" drive toolsets and accessories. The 12‑point profile reduces the need for exact alignment and allows use on both hexagon and 12‑point fasteners, improving workflow in tight spaces.

Duchy Fasteners stocks this socket in single items and bulk pack formats and carries the wider 3/4" drive socket range in common metric sizes to suit workshop and site requirements. Please contact us for current pack sizes and availability.