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The APEX QR-314 is a square-drive to hex bit socket adapter designed for use with 3/8 inch square drive tools and 7/16 inch hex bit accessories. At 2 inches overall length and constructed from steel, this adapter provides a rigid, reliable connection between a standard ratchet or driver and hex shank bits. The 1 inch body diameter keeps the profile manageable in tight spaces. Technicians across HVAC, plumbing, electrical, and general mechanical trades reach for adapters like this when switching between drive styles on the same tool platform without swapping out the entire drive set.
This adapter suits residential and light commercial service work where mixed drive systems are common. It is a practical addition to a socket set when a technician needs to run hex bit drivers off a 3/8 inch ratchet, impact driver, or drill. The compact 2 inch length keeps torque transfer direct and minimizes flex. It is equally useful in panel work, equipment service, and fixture installation where hex fasteners are encountered alongside standard square-drive sockets.
Designed as an OEM-style drive adapter for use with standard 3/8 inch square drive tools and 7/16 inch hex bit accessories across general trade applications.
Installation requires no special tools beyond the drive tool itself. Ensure the square drive end seats fully and locks into the ratchet or driver before applying torque. Inspect the adapter for wear or deformation before each use, particularly when used with impact drivers. Do not exceed the torque rating of the connected bit or fastener.
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