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The WILLIAMS COMFORT PRODUCTS JHW31709BT is a 9 MM metric bolt-thru socket designed for fast, reliable engagement on 6-point fasteners. Built for a 3/8 inch drive, this socket has an overall length of 1 7/16 inches, making it a compact and practical choice for tight-clearance fastening tasks. The bolt-thru design allows the fastener to pass completely through the socket, which is especially useful when working with long threaded studs or extended bolts. Licensed tradespeople and maintenance professionals who need consistent torque transfer on metric hardware will find this socket suited to daily shop and field use.
This socket is intended for use across a broad range of professional trade applications including HVAC equipment service, plumbing system installations, electrical panel work, and general mechanical maintenance. The 9 MM size and bolt-thru configuration make it particularly well suited for applications where standard closed-end sockets cannot fully seat on protruding threaded fasteners. It is sold individually and is compatible with any standard 3/8 inch drive ratchet, extension, or torque wrench.
Designed for use with any standard 3/8 inch drive ratchet or torque wrench; compatible with 9 MM 6-point metric fasteners in bolt-thru applications.
This socket is installed and used by licensed HVAC technicians, plumbers, electricians, and general maintenance mechanics. Before beginning any fastener service, de-energize electrical systems and shut off fluid or gas supply as appropriate to the application. Ensure the drive connection is fully seated before applying torque to prevent socket or ratchet damage. Use a calibrated torque wrench when manufacturer torque specifications apply to the fastener being serviced.
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