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The APEX 80540 is a ball end hex bit socket designed for use with 3/8 inch drive ratchets and extensions. The socket body is heat treated alloy steel for durability and extended tool life. The bit is machined from S2 steel, a tool-grade material known for high impact resistance. The ball end geometry allows up to a 25-degree entry angle, enabling access to internal hex fasteners in confined or obstructed locations. At 1.653 inches in length and 0.1 pounds, the 80540 fits naturally in a technician tool kit without adding bulk.
This bit socket is suited for mechanical and electrical work wherever 5/32 inch internal hex fasteners appear. Common applications include HVAC equipment panels, electrical enclosures, motor mounts, and general mechanical assemblies. The 25-degree off-axis engagement capability makes it particularly useful in tight bays and recessed fastener locations that standard hex bits cannot reach at full insertion. Trade professionals in HVAC, plumbing, and electrical service will find this socket useful during equipment installation, maintenance, and panel work.
Designed as a direct-fit bit socket for use with 3/8 inch drive ratchets, extensions, and torque wrenches requiring a 5/32 inch internal hex bit.
Install and remove by a qualified technician using a 3/8 inch drive ratchet or extension. De-energize and lock out electrical equipment before accessing any fasteners inside panels or enclosures. Inspect the bit tip for wear before use, as a worn ball end can slip and damage fastener heads. Bit sockets are intended for hand-tool or low-speed power use only.
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