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The WIHA 38800 is a power screwdriver bit designed for use with 1/4 inch hex drive power tools. Built from Chrome Vanadium Molybdenum steel, it delivers the toughness needed to handle high-torque power driving applications without premature wear or tip rounding. The bit measures 7-1/8 inches in overall length, giving it the reach required for fastening in recessed or hard-to-access locations. The 0.312 inch body diameter provides a solid shank profile suited for impact and drill-driver chucks. Licensed electricians, HVAC technicians, and plumbers rely on this type of bit for panel work, equipment installation, and general fastener driving during service calls and new construction alike.
This bit is suited for residential and commercial trade applications where a long-reach, 1/4 inch hex drive bit is needed. It fits standard 1/4 inch hex quick-change chucks found on most cordless drills, impact drivers, and electric screwdrivers. The extended 7-1/8 inch length is particularly useful in electrical panel installation, equipment mounting, and fixture work where standard-length bits cannot reach the fastener.
Designed for use with 1/4 inch hex drive power tools including cordless drills and impact drivers equipped with quick-change chuck systems.
Insert the bit fully into the 1/4 inch hex chuck and confirm it is seated and locked before applying power. Ensure the drive tool is set to the appropriate torque setting for the fastener size and material being driven. Inspect the bit tip for wear or rounding before each use, as a damaged tip can strip fasteners. No special tools or codes are required for bit installation or replacement.
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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