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The WIHA 74915 is a Torq-Set power screwdriver bit designed for use with power drivers and impact tools in demanding trade applications. Built from steel, this bit measures 2 inches in overall length and is sized for a 0.25-inch drive. The Torq-Set fastener type is a specialty cruciform drive commonly found in aerospace, military, and precision mechanical assemblies. Each package contains 10 bits, making it practical for high-volume service work where bit wear is expected. Licensed trades working on specialty fastener systems will find this bit suited to controlled-torque power driving tasks.
This bit is appropriate for professional applications requiring Torq-Set driver compatibility. The specialty point size 10 and 0.25-inch drive suit power screwdrivers and drill drivers used in avionics, defense equipment maintenance, and precision mechanical assembly. The 2-inch overall length fits standard bit holders and quick-change chucks. The 10-piece pack format supports shop stock replenishment and field kit loadouts for technicians who regularly encounter Torq-Set fasteners.
Designed for use with 0.25-inch hex drive power screwdrivers and drill drivers requiring Torq-Set specialty point size 10 bits.
Insert the bit fully into a quick-change or standard 0.25-inch hex chuck before operating the power driver. Verify the bit is seated and locked before applying torque to avoid cam-out or fastener damage. Torq-Set fasteners require precise bit engagement — do not substitute with Phillips or Pozidriv bits. Replace worn bits promptly, as a degraded tip increases the risk of fastener damage.
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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