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The WIHA 72523 is a No. 3 Phillips screwdriver insert bit designed for use with 1/4 inch hex drive tools. Machined to an exact-fit tip profile, it seats fully in Phillips fastener heads to reduce cam-out and driver wear. The bit is through-hardened steel, giving it the toughness needed for repetitive production or service work. At 25mm in overall length, it fits standard bit holders, impact-ready quick-change chucks, and right-angle adapters without modification. This listing covers a pack of 30 bits, suited for shop stocking, service van inventory, or contractor kits where high-turnover tooling is the norm. Electricians, HVAC technicians, and general trade mechanics are the primary users.
This insert bit is a practical consumable for any trade setting that drives No. 3 Phillips fasteners regularly. Typical applications include panel assembly, equipment installation, and equipment service work where a No. 3 point is required. The 1/4 inch hex shank is the industry-standard drive size, compatible with power screwdrivers, drill-drivers, and manual bit holders across virtually all tool brands. The 30-piece pack format supports bulk restocking for service departments and field crews.
Designed as a standard 1/4 inch hex drive insert bit for use with any power or manual driver accepting the 1/4 inch hex shank format.
Insert bits should be seated fully into the bit holder or chuck before applying torque. Inspect the tip for wear or rounding before each use — a worn No. 3 tip will damage fastener heads. Replace bits at the first sign of tip deformation. No special tools or codes apply to bit replacement, but standard electrical and mechanical safety practices require powering down equipment before driving or removing fasteners on live assemblies.
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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