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The WILLIAMS COMFORT PRODUCTS JHW37819 is a 19 MM metric impact socket designed for use with 1/2 inch drive pneumatic and electric impact wrenches. Built with lobular internal geometry, it delivers increased turning power while reducing deformation on fastener heads. The socket is specially heat treated for impact applications, giving it the durability and safety profile required in professional service environments. At 2.75 inches overall length, it fits a wide range of fastening tasks in automotive, mechanical, and industrial settings. This socket is sold individually and is intended for use by mechanics, millwrights, and service technicians working with metric fasteners.
This socket fits standard 1/2 inch drive impact wrenches and is suited for both pneumatic and electric tools. The universal impact designation makes it appropriate for general-purpose metric fastening across a range of applications. It is commonly used in vehicle service bays, equipment maintenance shops, and industrial assembly environments where impact-rated tooling is required. The drive end includes a pin retention hole and groove, supporting use with retaining pins or rings for secure tool attachment during operation.
Designed as an OEM-style replacement or direct-use impact socket for 1/2 inch drive pneumatic and electric impact wrenches requiring metric 19 MM tooling.
Installation and use should be performed by qualified mechanics or service technicians familiar with impact tooling. Before attaching or removing the socket, ensure the impact wrench is disconnected from its power or air supply. Use the pin retention hole with an appropriate retaining pin or ring to secure the socket during high-torque operation. Inspect the socket for cracks or wear before each use, as damaged impact sockets should be removed from service immediately.
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