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The APEX 80510D is a 3/8 inch drive, 12-point socket sized at 5/16 inch SAE, constructed from alloy steel with a full polish chrome finish. It is designed for use in hand-tool applications across mechanical, HVAC, plumbing, and electrical trades wherever a standard SAE fastener requires reliable torque transfer. The 12-point design provides multiple engagement positions for tighter work spaces, and the off-corner loading geometry directs force onto the flats of the fastener rather than the corners, reducing the risk of rounding. Large, hard-stamped size markings make identification fast in the field.
This socket suits residential and light commercial service work where a 5/16 inch SAE fastener is present. Common applications include equipment panel fasteners, bracket hardware, and general mechanical assembly or disassembly. It fits a standard 3/8 inch drive ratchet, breaker bar, or extension. The full polish chrome finish resists corrosion and simplifies cleanup after use in oily or greasy environments.
Designed as a standard 3/8 inch drive SAE socket compatible with any 3/8 inch drive ratchet, torque wrench, extension, or adapter.
This socket is installed and removed by hand tool technicians across the mechanical trades. Ensure the socket is fully seated on the fastener head before applying torque to prevent slippage. Inspect the socket for cracks or wear before use, particularly in high-cycle service environments. Do not use hand sockets with impact drivers unless the socket is rated for impact use.
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