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The WIHA 70302 is a power screwdriver bit designed for use with 1/4 inch hex drive power tools and impact drivers. Built to Phillips 2 specification, it delivers reliable engagement on the most common fastener size found in electrical panels, HVAC equipment, and mechanical assemblies. Each bit measures 3.5 inches in overall length, providing the reach needed when working in recessed boxes or tight equipment cavities. The package includes 2 bits, making it a practical choice for field kits and service trucks where spares matter. Licensed HVAC techs, electricians, and plumbers reach for this size daily during equipment installation and service calls.
The WIHA 70302 suits any trade application that requires driving Phillips 2 fasteners with a power tool. The 1/4 inch hex shank fits standard quick-change chucks on cordless drills, impact drivers, and power screwdrivers common to HVAC, electrical, and plumbing installations. The 3.5 inch length gives added reach compared to stubby insert bits, making it well suited for accessing fasteners on control panels, equipment enclosures, and junction boxes. The 2-piece pack supports a keep-one-use-one workflow on active job sites.
Compatible with any power screwdriver, cordless drill, or impact driver equipped with a standard 1/4 inch hex quick-change chuck. Designed as a direct-fit replacement or supplemental bit for 1/4 inch hex drive power tool systems requiring a Phillips 2 tip.
Insert the 1/4 inch hex shank fully into the tool chuck before operation to ensure secure seating. Electricians and HVAC technicians should verify the correct Phillips size before driving fasteners to avoid cam-out and fastener damage. Replace worn or damaged bits promptly, as a degraded tip increases the risk of stripping fastener heads on equipment panels. 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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