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The WIHA 72513 is a 30-piece set of 1/4 inch drive, 1/4 inch hex screwdriver insert bits rated for impact tool use. Manufactured from steel, these bits are designed to handle the high-torque demands of impact drivers used in electrical, HVAC, plumbing, and general trade work. The 1/4 inch hex shank is the standard quick-change size accepted by the vast majority of impact drivers and bit holders in the field. Having 30 bits in a single package keeps a tech stocked through demanding installs without repeated trips to the supply house.
These insert bits are suited for residential and commercial trade applications where a 1/4 inch hex fastener is encountered. Common install scenarios include equipment panel assembly, electrical box work, HVAC unit fastening, and mechanical room tasks. The impact rating makes them appropriate for use with cordless impact drivers as well as manual bit holders. Electricians, HVAC technicians, and plumbers working in high-volume install environments will find the 30-piece count practical for job-site use where bit wear and loss are routine factors.
Designed as a standard 1/4 inch hex shank insert bit compatible with impact drivers, drill drivers, and bit holders accepting the 1/4 inch quick-change drive format.
Insert bits should be fully seated in the bit holder or impact driver chuck before applying torque. Inspect bits for wear or deformation before each use, as damaged tips can strip fastener heads. Follow tool manufacturer guidelines for maximum torque settings when using impact-rated bits with powered tools.
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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