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The WIHA 72596 is a 10-piece hex screwdriver insert bit set covering a full range of fractional inch hex sizes from 1/16 to 1/4 inch. Each bit is designed for use in standard insert bit holders and power screwdrivers, making fast hex-drive work practical across a wide range of fastener sizes. The set is compact and organized, suited for electricians, HVAC technicians, plumbers, and general trade professionals who need reliable hex bit access on the job without carrying individual bits. The included size range handles the most common fractional hex fasteners encountered in equipment panels, enclosures, and mechanical assemblies.
This set is well matched to residential and light commercial service work where technicians encounter hex-head fasteners on equipment covers, junction boxes, control panels, and mechanical components. The 10 included sizes span 1/16, 1/32, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, and 1/4 inch, covering the range in fine increments. Electricians and HVAC techs will find frequent use for this set during equipment installation and service calls requiring hex fastener removal or installation.
Designed for use with standard 1/4-inch hex insert bit holders and compatible power or manual screwdrivers that accept insert-style bits.
Insert bits should be seated fully in the bit holder before applying torque to avoid cam-out or bit slippage. Confirm the correct hex size is matched to the fastener before driving to prevent fastener rounding. When working near energized electrical panels or equipment, follow NFPA 70E arc flash and shock hazard protocols and de-energize circuits where required before using hand tools on fasteners.
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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