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The MILWAUKEE TOOL 49-66-7842 is a deep, 6-point impact socket designed for use with 1-inch drive impact wrenches and compatible adapters. Built from steel with a black phosphate finish, it accepts a 1-1/16-inch hex fastener and measures 2.126 inches in overall length. The socket features stamped and ink-filled diameter markings that resist wear over time, ensuring the size remains readable after heavy use. A dual-hole design and retaining groove simplify attachment and detachment from the drive. This socket carries a non-sparking rating and is covered by a Lifetime Guarantee applicable to impact sockets and extensions.
This deep impact socket is suited for heavy-duty fastening applications in industrial, commercial, and fleet maintenance settings. Its 1-inch drive sizing targets high-torque power tools commonly used by mechanics, millwrights, ironworkers, and general contractors. The deep profile accommodates longer fasteners, studs, and recessed bolt heads that standard-depth sockets cannot reach. It is optimized for use with 1-inch drive impact wrenches and adapters, making it a practical addition to professional socket sets.
Optimized for use with 1-inch drive impact wrenches and adapters. Designed as a direct-fit deep impact socket for professional-grade 1-inch drive tooling systems.
Installation and removal should be performed by a qualified technician familiar with high-torque impact tooling. Always verify the socket is fully seated on the drive anvil and the retaining mechanism 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 codes when working in environments where spark mitigation is required.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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