Adaptor Wera 870/4

The Wera 870/4 adaptor is a 100 mm tool shaft with a 1/4" (6.35 mm) hex shank designed to connect power tool sockets and hex‑shank screwdriver bits. Manufactured by Wera (MPN 05050210001, EAN 4013288017062), it provides a straight, durable extension that allows use of standard 1/4" hex bits with compatible power drivers and sockets.

Advantages

The adaptor offers a precise 1/4" hex drive for secure bit retention and reliable torque transmission. With a 100 mm length it gives additional reach for work in recessed or hard‑to‑access areas. Machined to Wera quality standards, the shaft ensures consistent fit with sockets and bits that use the 1/4" hex interface.

Suitable for

• Extending reach for hex‑shank screwdriver bits
• Connecting 1/4" hex bits to power drivers and socket accessories
• Work in recessed fasteners or tight spaces

Key specifications

• Brand: Wera
• Model / MPN: 05050210001
• EAN: 4013288017062
• Drive type: 1/4" (6.35 mm) hexagon
• Shank length: 100 mm
• Compatibility: standard 1/4" hex screwdriver bits and compatible sockets

How to use

Insert the 1/4" hex bit into the adaptor until it seats securely, then attach the adaptor to the power tool chuck or socket accessory. Ensure the bit and adaptor are properly engaged before applying torque. Use appropriate torque settings on the power tool and avoid side loads to prevent damage to the bit or adaptor.

Usage recommendations

Use the adaptor with bits and sockets that match the 1/4" hex standard. Inspect the adaptor and bits for wear before use, and select suitable torque and speed settings for the fastener and material to maximize tool life and safety.