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The TEKTON SHB03202 is a 1/4 inch drive hex bit socket designed for driving 4 mm hex fasteners. At 1.5 inches overall length, it fits standard 1/4 inch drive ratchets, extensions, and torque wrenches. The socket transfers rotational force directly to internal hex fasteners, a common configuration in mechanical assemblies, electronics enclosures, and equipment panels. Licensed technicians and skilled tradespeople install and remove hex-head fasteners using this socket in production, maintenance, and repair applications. Its compact size makes it well suited for confined spaces where a full-length hex key or T-handle cannot operate efficiently.
This hex bit socket is used across a range of trade and mechanical service applications, including HVAC equipment assembly, electrical panel work, and plumbing fixture installation where 4 mm hex fasteners are specified. It is compatible with any 1/4 inch drive ratchet, torque wrench, or extension bar. The 1.5 inch overall length provides enough depth clearance for recessed fastener heads without adding unnecessary bulk in tight quarters.
Designed as an OEM-style replacement or service addition for use with any standard 1/4 inch drive tool set requiring a 4 mm hex bit socket.
This socket is installed and removed by hand onto any 1/4 inch square drive tool. Ensure the drive tool is fully seated before applying torque to avoid rounding the fastener head. Verify fastener hex size with calipers before use when working on precision assemblies. No special certifications or power-down procedures are required for socket use, though applicable trade safety procedures should always be followed on the job site.
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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