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The WIHA 71508 is a T8 Torx power bit designed for 1/4 inch hex drive tools including impact drivers, power screwdrivers, and drill/driver combinations. Built from steel, this bit delivers the precise fit needed for small Torx fasteners common in electronics, HVAC control panels, appliance housings, and low-voltage equipment enclosures. At 1 inch overall length, it fits standard 1/4 inch bit holders and quick-change chucks without adapters. This listing includes a pack of 10 bits, making it a practical choice for service technicians who burn through bits on repetitive fastening tasks or need backups on the job.
The T8 Torx size is commonly encountered when servicing electronics-heavy assemblies, control boards, small appliance chassis, and equipment panels across HVAC, electrical, and general mechanical trades. The 1/4 inch drive hex shank is the universal standard for power tool bit holders, making these bits compatible with the overwhelming majority of cordless screwdrivers and impact drivers used in the field. The 10-piece pack format suits both shop stocking and mobile service kits.
Designed for use with any 1/4 inch hex drive power screwdriver, cordless drill/driver, or impact driver accepting standard 1 inch power bits.
Insert the bit fully into the tool holder until it seats and locks before applying torque. Power down or unplug equipment before driving or removing fasteners on live panels or control boards. Inspect bits for wear or deformation before each use, as damaged Torx bits can strip fastener heads. Discard and replace worn bits rather than continuing service with them.
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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