Socket Insert Bit Wera 781 B/C 3/8" Square Drive, 1 pc

Wera Socket Insert Bit 781 B/C is a single-piece insert with a 3/8" (9.5 mm) square drive designed to connect ratchets, torque wrenches and other 3/8" drive tools to sockets and fasteners. Supplied as one piece (MPN 05042673001), it is intended for workshop, maintenance and professional repair tasks where a secure drive interface is required.

Advantages

The insert is made to Wera quality standards to ensure precise fit and reliable power transmission between the tool and the socket. Its single-piece construction reduces play and increases durability under repeated use. The standardized 3/8" square drive ensures compatibility with a wide range of ratchets, extensions and torque tools used in mechanical and industrial environments.

Suitable for

• Workshop socket sets and ratchets
• Maintenance and repair of machinery and vehicles
• Assembly tasks requiring a 3/8" drive
• Use with torque wrenches where a defined drive interface is needed

Key specifications

• Brand: Wera
• Model / MPN: 05042673001
• Type: Socket insert bit, single-piece
• Drive size: 3/8" (9.5 mm) square
• Quantity: 1 pc
• EAN: 4013288221056

How to use

Fit the 3/8" square end of the insert into the drive of a compatible ratchet, torque wrench or extension. Attach the appropriate socket to the opposite end and secure any locking mechanism if present. Use the combined tool and socket to tighten or loosen fasteners following the torque and safety instructions applicable to your equipment.

Usage recommendations

Inspect the insert and mating tools for wear or damage before use. Use the correct socket size and avoid excessive impact loads; when using a torque wrench, observe specified torque values to prevent fastener or tool damage.