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The IRWIN 26167890 is a 2-pack of Phillips 3 impact-rated insert bits designed for use with impact drivers and high-torque power tools. Each bit measures 2 inches in length and is built to handle the rotational stress and shock loads that standard bits cannot sustain. Electricians, plumbers, HVAC technicians, and general trade contractors reach for these bits when driving large-diameter fasteners that demand a Phillips 3 profile. The twin-pack format keeps a backup on hand during production work or service calls.
These insert bits fit standard 1/4 inch hex quick-change chucks found on cordless and corded impact drivers. The Phillips 3 tip size is commonly used when driving larger screws and lag-style fasteners in electrical panel installations, equipment mounting, and structural fastening applications. The 2 inch length suits tight-clearance work where longer bit extensions would be impractical. This product ships as a set of two identical bits.
Designed as an OEM-style replacement insert bit compatible with standard 1/4 inch hex chuck impact drivers and drill drivers across major cordless tool platforms.
Insert bits are installed and removed by hand using the tool's quick-change chuck mechanism. Ensure the impact driver is powered off and the trigger is locked before changing bits. Inspect each bit for tip rounding or cracking before use, as worn Phillips tips can strip fastener heads under impact torque. Dispose of damaged bits rather than attempting to reshape or grind them.
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