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The APEX HC-100-3/8 FS is a female square drive tap holding socket designed for use with 3/8 inch square drive tools. It accepts a 0.375 inch spline and features a female square drive configuration for secure tap engagement during threading operations. Overall length is 1.5 inches. This socket is built for SAE applications and is used by machinists, millwrights, and maintenance technicians who need reliable tap retention during hand or machine tapping work. The female square design holds the tap shank firmly, reducing slippage and improving thread quality in metal fabrication and repair tasks.
This tap holding socket is suited for threading operations in light industrial, maintenance, and fabrication environments. It works with standard 3/8 inch square drive tap wrenches and compatible drive tools. The SAE sizing makes it appropriate for inch-based tap sets commonly used in North American manufacturing and service applications. It is a single-piece tool typically kept in a tap and die set or drive socket assortment for on-the-bench or in-field threading work.
Designed as an OEM-style replacement or direct-fit socket for 3/8 inch square drive tap wrenches accepting a 0.375 inch spline tap shank in SAE inch-based applications.
This socket is installed and removed by hand or with a standard 3/8 inch square drive tap wrench. Ensure the tap shank is fully seated in the female square recess before applying torque. Do not exceed the torque rating of the tap being used, as overloading can snap the tap. Inspect the socket for wear or deformation before each use.
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