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The MILWAUKEE TOOL 48-22-9503 is a 10-piece, 3/8-inch drive metric socket set designed for professional tradespeople who demand reliable, long-lasting hand tools. The set spans 10 mm through 19 mm in standard depth, with 6-point geometry that delivers full-contact engagement on fastener flats to reduce rounding. Sockets are machined from alloy steel and finished with a chrome-plated coating for corrosion resistance. Each socket features FOUR FLAT sides on the exterior body to deter rolling on flat surfaces and to accept wrench drive for added versatility. The full set stores on an included clip rail for organized access in a tool bag, service van, or job-site cart.
This socket set is suited for residential and commercial mechanical work including HVAC equipment service, plumbing fixture installation, electrical panel work, and general equipment maintenance. The 3/8-inch drive is the standard choice for medium-duty fastener work where a 1/4-inch drive lacks torque and a 1/2-inch drive is oversized. Licensed technicians and service professionals working across multiple trades will find the 10 mm through 19 mm range covers the most commonly encountered metric fastener sizes on modern equipment, machinery, and vehicles.
Designed for use with standard 3/8-inch drive ratchets, torque wrenches, extensions, and adapters. Fits metric fasteners ranging from 10 mm to 19 mm across a wide range of mechanical, HVAC, plumbing, and electrical service applications.
Service technicians should ensure the socket is fully seated on the drive tool before applying torque to prevent slippage or fastener damage. Power down equipment and relieve any system pressure before loosening or tightening fasteners in live systems. Standard hand-tool safety practices apply: inspect sockets for cracks or deformation before each use and do not use impact-rated tools with non-impact-rated sockets.
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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