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The WIHA 74311 is a power screwdriver bit designed for use with power drivers and impact-rated tools in professional trade and industrial applications. Built from steel, this bit features a 0.25 inch hex drive shank and measures 2 inches in overall length. Each package includes 10 bits, making it well suited for high-volume fastening tasks where bit wear is a routine factor. The standard hex fastener type makes it compatible with a wide range of power screwdriver chucks and quick-release holders commonly found on job sites.
This bit is intended for use by electricians, HVAC technicians, plumbers, and general contractors who rely on power drivers for repetitive screw-driving tasks. The 2 inch length provides adequate reach for most standard fastening applications without excessive extension. The pack of 10 supports ongoing work without interruption, whether on a residential service call or a commercial installation project.
Designed for use with power screwdrivers and power drivers that accept a 0.25 inch hex drive bit. Compatible with standard quick-release bit holders of the same drive size.
Installation should be performed by the qualified trade professional appropriate to the task at hand. Ensure the power tool is powered off and the trigger is locked before inserting or removing the bit from the holder. Confirm the bit is fully seated in the chuck before applying torque. Do not use bits that show signs of deformation, cracking, or excessive wear.
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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