Wera 05135077001 Hex Insert Bit 5/16 Inch 1/4 Drive

Product Description

The WERA 05135077001 is a hex screwdriver insert bit designed for use with 1/4 inch hex drive power tools, impact drivers, and bit holders. It accepts a 5/16 inch hex fastener and measures 1 inch in overall length, making it a compact, single-use insert style bit suited for production assembly, service work, and installation tasks. The short OAL fits standard bit holders and quick-change chucks without adding unnecessary length in confined spaces. Licensed tradespeople and assembly technicians in HVAC, electrical, and mechanical service work reach for this bit when driving hex-head machine screws and bolts on equipment panels and brackets.

This insert bit is appropriate for residential and light commercial service applications where 5/16 inch hex fasteners appear on equipment enclosures, motor mounts, junction boxes, and structural brackets. The 1/4 inch drive shank is the industry-standard size for cordless drill/drivers and bit extension bars, making this bit broadly usable across common tool inventories in the field or shop.

Key Features

• 1/4 inch hex drive shank fits standard quick-change bit holders and power tool chucks
• 5/16 inch hex tip drives hex-head fasteners common in equipment and panel assembly
• 1 inch overall length suits tight clearance areas and standard bit holders
• Insert bit style designed for use in bit holders, extension bars, and magnetic bit tips
• No ball-end - straight engagement for positive torque transfer on hex fasteners

Compatibility

Designed for use with standard 1/4 inch hex drive bit holders, quick-change chucks, and extension bars compatible with 1 inch insert-style screwdriver bits.

Installation Notes

Insert bits require a compatible 1/4 inch hex bit holder or magnetic tip holder - they are not designed for direct chuck insertion without an adapter. Verify fastener size before driving to avoid rounding hex recesses. When using with an impact driver, confirm the bit holder is rated for impact use. Follow applicable torque guidelines for the fastener and substrate as specified by the equipment manufacturer.