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The WILLIAMS COMFORT PRODUCTS JHW14M-1221 is a deep impact socket designed for heavy-duty fastener removal and installation in demanding trade and industrial applications. Built with a 1/2 inch drive and sized at 21 MM, this socket features a 12-point configuration and a black industrial finish that resists corrosion and reduces glare in work environments. The deep profile accommodates recessed fasteners, extended studs, and bolt-heavy assemblies that standard-depth sockets cannot reach. It is sold individually and is well suited for use with pneumatic and electric impact wrenches.
This socket is used across mechanical, HVAC, plumbing, and electrical trade work wherever 21 MM fasteners appear on equipment housings, flanges, mounting brackets, and structural connections. The 1/2 inch drive size makes it compatible with mid- to heavy-duty impact tools commonly found in service vans and shop environments. The deep impact design is especially useful when working on equipment with protruding hardware or in confined spaces where socket seating depth matters.
Designed as an OEM-style deep impact socket for use with standard 1/2 inch drive impact wrenches, ratchets, and extensions in metric fastener applications.
Impact sockets should only be used with impact-rated drivers and wrenches. Do not use standard chrome hand-tool sockets with impact tools, as they are not rated for the sudden torque loads. Ensure the socket is fully seated on the fastener before applying drive force to prevent slipping or fastener damage. Inspect the socket for cracks or deformation before each use and replace if wear is evident.
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