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The APEX 170-3/8 is a power screwdriver bit designed for use with Torq-Set fasteners, a specialty recessed drive type commonly found in aerospace, defense, and precision mechanical assemblies. The bit features a 3/8 inch Torq-Set point size and a 0.31 inch hex shank drive, with an overall length of 1.25 inches. This compact form factor suits power screwdriver handles and pneumatic or electric inline drivers used by technicians who regularly service equipment with Torq-Set hardware. Installation and removal of Torq-Set fasteners requires a properly sized bit to avoid fastener damage, making correct bit selection critical.
This bit is suited for technicians working in environments where Torq-Set fasteners are standard, including avionics, military equipment maintenance, and precision machinery service. Its 0.4375 inch drive size accommodates standard power bit holders. The single-piece packaging makes it practical as a direct replacement or supplemental bit for an existing set. HVAC, refrigeration, and mechanical service professionals may also encounter Torq-Set fasteners in commercial equipment enclosures and control panels.
Designed for use with standard power screwdriver handles and drivers accepting a 0.4375 inch hex drive bit. Fits applications requiring a 3/8 inch Torq-Set specialty point.
Installation should be performed by qualified technicians familiar with Torq-Set fastener systems. Ensure the driver is powered off or disconnected before seating or removing the bit. Use only the correct point size to avoid stripping Torq-Set recesses, as these fasteners do not accept Phillips or standard hex drivers. Follow applicable equipment service manuals for fastener torque requirements.
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