Wiha 71342 Hex Screwdriver Insert Bit 1/4 in Drive

Product Description

The WIHA 71342 is a hex screwdriver insert bit designed for use in 1/4 inch drive bit holders, handles, and power tool chucks. Built from steel and rated for impact use, it delivers reliable torque transfer on standard hex fasteners without rounding or premature wear. The bit measures 1 inch in overall length, making it suitable for confined work areas where a longer bit would be cumbersome. It is a single-piece bit intended for repetitive fastening tasks in electrical, HVAC, plumbing, and general mechanical service applications. Electricians, HVAC technicians, and plumbers reach for this type of insert bit when driving hex-head screws on equipment panels, junction boxes, and component housings.

This insert bit is suited for both hand-driver use and power tool applications where impact-rated tooling is required. Its standard hex fastener compatibility and 1/4 inch drive sizing make it a common fit for most bit extension bars, T-handles, and impact drivers used in the trade. The bit is sized for No. 10 cap screws, which appear frequently on equipment covers, motor mounts, and structural fasteners encountered during service and installation work in residential and light commercial settings.

Key Features

• Impact rated construction handles high-torque power tool use without fracturing
• Steel material provides durability for repeated fastening cycles
• 1/4 inch drive fits standard bit holders, extensions, and impact drivers
• 1 inch overall length suits tight-clearance work areas
• Standard hex drive profile compatible with No. 10 cap screws
• Single-piece format allows individual replacement without buying a full set

Compatibility

Designed as an OEM-style replacement insert bit for use with 1/4 inch drive bit holders, impact drivers, and manual T-handle drivers used in trade service applications.

Installation Notes

Insert bits are installed and removed by hand into any 1/4 inch drive chuck or bit holder. Confirm the bit is fully seated before applying torque to avoid cam-out or bit ejection under load. When using with an impact driver, ensure the driver setting is appropriate for the fastener and material to avoid overdriving. Inspect the bit tip for wear or deformation before each use and replace if rounding is visible.