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The APEX HC-100-10 is a specialty socket designed for fastening applications requiring a 10-spline female square drive interface. Built for a 3/8 inch drive, it measures 1.5 inches in overall length. This socket is suited for professional tradespeople including HVAC technicians, plumbers, and electricians who encounter spline-drive fasteners during equipment service and installation. The SAE female square configuration makes it a purpose-built tool for specific fastener head types found in mechanical and electromechanical assemblies. At 0.2 pounds, it is lightweight and easy to handle in tight service spaces.
This socket sees use wherever 10-spline fasteners are present, including HVAC equipment panels, electrical enclosures, and plumbing fixture assemblies. It is appropriate for both residential and light commercial service work. The 3/8 inch drive size is a common standard in trade tool sets, making this socket a compatible add-on to existing socket wrench setups without requiring a separate drive adapter in most cases.
Designed for use with 10-spline fasteners driven by a standard 3/8 inch drive ratchet or torque wrench in SAE applications.
This socket is installed by licensed technicians and service professionals as part of routine equipment disassembly and reassembly. Ensure the drive is fully seated on the ratchet or extension before applying torque to avoid slippage. Always de-energize electrical equipment and relieve system pressure before removing fasteners on live HVAC, plumbing, or electrical assemblies. Inspect the socket for wear or cracks before each use.
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