Wiha Micro Bit Torx T7 28mm

The Wiha Micro Bit Torx T7 28mm is a precision fastening tool engineered specifically for delicate electronic repairs, miniature devices, and fine mechanical tasks. Featuring a standard Torx T7 profile and a compact 28mm overall length, this micro bit provides the accuracy and secure fastener fit required for professional and detailed everyday work.

Advantages

This micro bit is manufactured with strict attention to dimensional accuracy, ensuring a reliable fit within Torx T7 fasteners to minimize the risk of cam-out and head damage. Its robust construction supports consistent performance in demanding repair environments. The compact 28mm length allows for improved accessibility in confined spaces where standard bits cannot reach.

Suitable for

• Precision electronic device repair and assembly
• Maintenance of miniature gadgets and instruments
• Fine mechanical engineering tasks requiring Torx T7 fasteners
• Detailed hobbyist and workshop projects

When it may not be suitable

This product is not designed for heavy-duty industrial fastening, high-torque applications, or driving large structural screws. Using this micro bit outside of its intended miniature scale can result in premature wear or damage to the tool and the fastener.

Key specifications

• Drive profile: Torx T7
• Bit length: 28 mm
• Compatibility: 4 mm micro bit systems

How to use

Insert the micro bit securely into a compatible 4 mm micro bit holder or precision screwdriver handle. Align the Torx T7 tip carefully with the head of the target fastener, ensuring a flush and stable connection before applying rotational force. Turn smoothly and apply controlled pressure to drive or remove the screw without stripping the component.

What to consider before purchase

• Verify that your existing toolholder or handle is compatible with 4 mm micro bits
• Confirm the required fastener size is specifically Torx T7
• Assess whether the 28mm length is appropriate for your specific workspace clearance

Store the micro bit in a dry environment and clean it periodically to maintain the integrity of the tip. Always match the bit profile precisely to the fastener size to ensure longevity and optimal performance during delicate repair tasks.