Screwdriver Bit Set Wera 870/4/7 Set A SB

The Wera 870/4/7 Set A SB contains three machine-operated nut spinner sockets with an external square drive and a 1/4" hexagon drive suitable for power tools with a DIN ISO 1173-F 6.3 receiver. Packaged in a blister, the set is intended for precise, efficient fastening work and for use with compatible power tool holders.

Advantages

These Wera bits combine a compact design with durability and compatibility with standard 1/4" hex tool holders (DIN ISO 1173-F 6.3). The external square drive ensures secure connection to nut spinners, while the different lengths and sizes (1/4"x50, 3/8"x50, 1/2"x75) provide flexibility for working in varied access conditions.

Suitable for

• Machine-operated nut spinners and power tools with DIN ISO 1173-F 6.3 receiver
• Tightening and loosening hex fasteners in mechanical assembly
• Work in confined spaces where different bit lengths are required

Key specifications

• Brand: Wera
• Model: 870/4/7 Set A SB
• Contents: 3 hex bits — 1/4"x50, 3/8"x50, 1/2"x75
• Drive: 1/4" hexagon for DIN ISO 1173-F 6.3 receiver
• Design: External square drive for machine nut spinners
• Packaging: Blister
• MPN: 05073200001
• EAN: 4013288139115

How to use

Select the bit size appropriate for the hex fastener, insert the 1/4" hex end into the power tool or holder with DIN ISO 1173-F 6.3 receiver, and engage the external square drive with the machine-operated nut spinner. Operate the power tool at suitable speed and torque for the fastener and material, and remove the bit after finishing the task.

Usage recommendations

Use suitable torque settings and appropriate safety equipment. Inspect bits for wear or damage before use and replace if deformation or excessive wear is visible to maintain secure fit and safe operation.