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The APEX 445-5X is a slotted screwdriver insert bit designed for 1/4 inch drive power tools and manual bit holders. The blade measures 5/16 inch wide with a 0.05 inch blade thickness and an overall length of 1.5 inches. Constructed from steel, this insert bit delivers consistent performance in fastening and removal applications across HVAC, electrical, plumbing, and general mechanical service work. It is a non-reversible, single-end insert bit suited for production and service environments where quick bit changes are required.
This insert bit fits standard 1/4 inch hex drive bit holders, impact-rated holders, and inline screwdrivers commonly used by HVAC technicians, electricians, and plumbers for panel fasteners, junction box screws, equipment covers, and access panel hardware. The 5/16 inch slotted profile targets wider slotted fasteners found in legacy equipment and commercial enclosures. Sold individually, it works as a direct replacement or supplemental bit for field kits and service vans.
Designed for use with standard 1/4 inch hex drive bit holders, screwdrivers, and power tool chucks. Compatible with slotted fastener applications requiring a 5/16 inch blade width.
Insert the bit fully into a 1/4 inch hex drive holder before applying torque to prevent cam-out or fastener damage. Inspect the blade tip for wear or rounding before each use, particularly when working on finished equipment panels. This bit is intended for slotted fasteners only and should not be used on Phillips, Torx, or other drive types.
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