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The WILLIAMS JHW4A-628-2 is a 3/8 inch drive impact hex bit socket designed for high-torque fastening applications in demanding trade environments. Built from special alloy steel and heat treated for optimum strength and durability, this socket measures 3.5 inches in overall length with a 7/8 inch hex size. The black oxide finish provides corrosion resistance during daily shop and field use. It is sold individually and is suited for mechanics, millwrights, pipefitters, and other trades requiring a reliable impact-rated hex drive solution.
This socket is intended for use with 3/8 inch drive impact wrenches and ratchets in residential, commercial, and industrial settings. The 7/8 inch hex bit configuration makes it well suited for hex-head fasteners commonly found in mechanical assemblies, HVAC equipment, plumbing fixtures, and structural hardware. The 3.5 inch overall length provides reach in confined or recessed fastener locations without sacrificing drive engagement.
Designed for use with standard 3/8 inch drive impact wrenches, air ratchets, and hand ratchets requiring a hex bit socket with a 7/8 inch hex drive configuration.
Installation should be performed by a qualified tradesperson familiar with impact drive tooling and fastener torque requirements. Ensure the impact tool is powered down or air supply is disconnected before changing sockets. Inspect the socket for cracks or deformation before each use and remove from service if damage is found. This socket is not insulated and is not rated for live electrical work.
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