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The TEKTON SHB13204 is a 3/8 inch drive hex bit socket designed for driving 5 mm hex fasteners. With an overall length of 1.9 inches, it fits standard 3/8 inch drive ratchets, extensions, and torque wrenches. This socket is used to install or remove hex-drive bolts, set screws, and fasteners found across mechanical, automotive, and general assembly applications. Licensed mechanics, technicians, and tradespeople working on equipment with metric hex fasteners will find this a direct-fit addition to a 3/8 inch drive set.
This hex bit socket is suited for residential and light commercial maintenance tasks where 5 mm hex fasteners are common, including HVAC equipment panels, plumbing fixture hardware, electrical enclosures, and general mechanical assemblies. It is compatible with any 3/8 inch drive tool, including ratchets, breaker bars, and torque wrenches. At 0.1 pounds, it adds minimal weight to a tool bag or socket rail.
Designed as a standard replacement or add-on hex bit socket for use with any 3/8 inch drive hand tool system accepting metric hex bit sockets.
This socket is installed and removed by hand onto any 3/8 inch drive ratchet or extension. Ensure the fastener hex size matches the 5 mm bit profile before applying torque to avoid rounding. When working inside energized electrical enclosures or pressurized systems, follow applicable NEC or equipment-specific lockout/tagout procedures before use.
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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