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The WIHA 74519 is a T10 Torx power screwdriver bit designed for use with power drivers and impact-rated bit holders. Each bit measures 2 inches in overall length and is manufactured from steel for durability under repeated power-drive cycles. Sold in a 10-piece set, this bit is a practical stock item for technicians who regularly drive T10 Torx fasteners and want a ready supply on the job. The 0.25-inch drive size fits standard power bit holders and quick-change chucks common across cordless and pneumatic drivers used in HVAC, electrical, and general mechanical service work.
T10 Torx bits at this length are commonly used in residential and light commercial service applications where Torx fasteners secure equipment panels, control board housings, and mechanical assemblies. The 2-inch length provides clearance in recessed fastener locations without excessive reach. The 10-piece pack quantity suits shop kits, service vans, and technician tool bags where bit loss and wear are routine considerations.
Designed for use with power drivers, cordless drills, and impact drivers equipped with standard 0.25-inch hex bit holders or quick-change chucks that accept 2-inch power bits.
Seat the bit fully into the bit holder before driving to prevent cam-out and premature tip wear. Use with appropriate torque settings for the fastener and material being driven, particularly when using impact drivers. Inspect bits regularly for tip wear and replace when the Torx profile shows rounding, as worn bits increase the risk of fastener damage. No special tools or codes apply to bit 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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