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The KLEIN TOOLS JTH6M25 is a T-handle hex key designed for driving metric hex fasteners in tight or repetitive-torque applications. Built with a cushion-grip T-handle, it gives technicians a comfortable, high-control grip when installing or removing socket-head cap screws, set screws, and similar fasteners. The hex tip measures 2.5 mm and the overall blade length runs 6 inches, giving adequate reach in panel, equipment, and mechanical assemblies. The steel construction handles the torque demands of daily trade use without deforming the tip. Licensed electricians, HVAC technicians, plumbers, and general mechanical installers commonly reach for this style of key when working on equipment covers, fan assemblies, and terminal blocks.
This hex key fits standard metric hex fastener applications in residential and light commercial settings. The T-handle form factor is particularly useful in repetitive-drive scenarios where a standard L-key would slow the work down. It suits work on HVAC equipment panels, electrical enclosures, pump housings, and similar mechanical assemblies that call for 2.5 mm metric hex fasteners. The non-insulated design is intended for general mechanical use, not live-electrical work.
Designed for use with standard 2.5 mm metric hex socket fasteners found across HVAC equipment, electrical enclosures, pump assemblies, and general mechanical installations.
This tool is installed and used by hand with no power source required. Always ensure equipment is de-energized and locked out before removing fastener covers on electrical or HVAC equipment. Use the T-handle for moderate torque applications and avoid using cheater bars or excessive force, which can damage the fastener or the hex tip. This tool is not rated for use on energized conductors or live electrical components.
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