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The APEX 49-B-TX-25 is a T25 Torx power screwdriver bit designed for use with 1/4 inch hex drive power tools and impact drivers. With an overall length of 3.5 inches and a body diameter of 0.19 inches, this bit fits standard quick-change hex chucks used across HVAC, electrical, and general mechanical service applications. Weighing just 0.031 pounds, it is a lightweight, single-piece accessory built for repeated power-tool use. Electricians, HVAC technicians, and service pros who regularly encounter T25 Torx fasteners on equipment panels, junction boxes, and equipment enclosures will find this a direct fit for their existing 1/4 inch hex drive tools.
The 49-B-TX-25 is suited for residential and light commercial service work where T25 Torx fasteners are common on equipment housings, control panels, and access covers. Its 3.5 inch length provides clearance to reach fasteners in recessed locations without requiring an extension. This bit is packaged as a single piece, making it easy to stock individually or add to a service kit.
Designed for use with any 1/4 inch hex drive power screwdriver, drill driver, or impact driver equipped with a standard quick-change chuck accepting 1/4 inch hex shank bits.
Install this bit into a 1/4 inch hex quick-change chuck before applying power to the tool. Confirm the bit is fully seated and locked in the chuck before driving fasteners. Always de-energize or disconnect equipment before removing or installing access panels and enclosure covers. Follow applicable NEC or manufacturer service procedures when working around energized electrical enclosures.
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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