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The WILLIAMS COMFORT PRODUCTS M-812 is a 3/8-inch, 8-point standard socket designed for 1/4-inch drive tools. This socket provides a secure fit on 8-point fasteners, reducing the risk of rounding during removal or installation. At 0.05 pounds, it is a lightweight, single-piece hand tool suited for tight-access fastener work in HVAC equipment, electrical enclosures, plumbing fixtures, and general mechanical assemblies. Technicians working in trade environments will find it useful wherever 8-point fasteners appear on equipment panels, access covers, or mechanical components.
This socket is intended for use with standard 1/4-inch drive ratchets, extensions, and torque wrenches. Its 8-point geometry makes it specifically suited for square-drive or 8-point fastener heads, which appear on certain legacy and specialty equipment. Applicable across residential and light commercial service work, it fits into a standard socket set and is sold as an individual unit.
Designed as an OEM-style replacement socket for use with standard 1/4-inch drive ratchets and accessories requiring a 3/8-inch 8-point fit.
Use with a properly rated 1/4-inch drive ratchet or torque wrench. Ensure the socket is fully seated on the fastener head before applying torque to avoid slippage or fastener damage. Power down or de-energize any equipment before accessing fasteners on electrical or HVAC enclosures. Follow applicable trade codes and manufacturer service procedures when servicing equipment.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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