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The APEX 84428n is a 3/8 inch drive, 6-point deep impact SAE socket sized at 13/16 inch, built for professional-grade fastener work in demanding trade environments. Constructed from Chrome Molybdenum Alloy Steel (Cr-Mo), this socket delivers the strength and toughness required for high-torque impact driver use. The 6-point deep profile provides full contact on fastener flats, making it well suited for rusted, seized, or hard-to-reach hardware. Licensed electricians, plumbers, HVAC technicians, and general mechanical trades reach for deep impact sockets when working in confined spaces or on extended fasteners where standard-depth sockets fall short.
The 84428n is appropriate for residential and commercial service work wherever a 3/8 inch drive impact tool is used. Its deep well design accommodates long bolts, studs, and recessed nuts that a shallow socket cannot fully engage. Typical applications include equipment mounting, panel installation, pipe flange work, and mechanical assembly tasks. The socket is sized in SAE fractional measurement at 13/16 inch, covering a common fastener size found across HVAC equipment, plumbing fixtures, and electrical enclosures.
Designed as a 3/8 inch drive deep impact SAE socket compatible with standard 3/8 inch drive impact wrenches and ratchets accepting square-drive accessories.
This socket is intended for use with 3/8 inch drive impact wrenches or ratchets only — do not use impact sockets with non-impact hand-ratchet setups beyond their rated capacity. Ensure the socket is fully seated on the drive anvil and that a retaining pin or hog ring is engaged before applying torque. Inspect the socket for cracks or deformation before each use and remove from service if damage is found. Follow applicable workplace safety standards when operating impact tools overhead or in confined spaces.
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