Images are examples, some edited with AI. The technical data are authoritative. AI notice
Adapter 1/4" for Micro-Bits 4 mm, 25 mm with Magnet - Wiha 39964
The Wiha Adapter 7103 connects 4 mm micro-bits (C4 drive) to standard bit holders for C6.3 bits. The integrated magnet keeps the micro-bit securely in place, making it reliable even in confined working situations. Overall length 25 mm, output drive DIN 3120 form A 6.3 + A 10.
- Specialist dealer since 2009
- Invoice payment for regular customers
- Worldwide shipping
- Technical questions clarified with the manufacturer
Description
This adapter bridges the gap between 4 mm micro-bits (DIN 3126/ISO 1173 style C4) and standard C6.3 bit holders. The Wiha 7103 features an integrated magnet that holds the micro-bit firmly, so the full range of micro-bits can be used in any standard power screwdriver or screwdriver with a 1/4" chuck.
Benefits
- Integrated magnet secures micro-bit firmly in holder
- Allows 4 mm C4 micro-bits to be used in all C6.3 bit holders
- Compact size of only 25 mm overall length
- Output drive to DIN 3120 form A 6.3 + A 10
Applications
Suitable for model-making, electronics, and precision mechanics wherever 4 mm micro-bits need to be used in standard tools. Made in Taiwan, HS 84661038.
Technical data
| Hexagon head | 1/4" (drive) |
|---|---|
| Internal hexagon | 4.0 mm (C4 micro-bit chuck) |
| Overall length | 25 mm |
| Dimensions | 25 x 7 x 6 mm (LxWxD) |
| Standards | DIN 3126, ISO 1173, style E6.3 / C4 |
| Weight | 0.005 kg |
| Manufacturer | Wiha |
| Manufacturer Nr. | 7103 |
| EAN | 4010995399641 |
| HS-Code | 84661038 |
| GPSR manufacturer information | Wiha Werkzeuge GmbH Obertalstraße 3-7 DE-78136 Schonach www.wiha.com |
| Condition of article | New |
| Article authenticity | Original product |
| Country of Manufacture | Taiwan |
| ESD version | TEC |
| Norm | DIN 3120, DIN 3126, ISO 1173 |
Downloads
Accessories
Threaded bit Phillips PH2 M5, 33 mm for stationary screw systems - Wiha 01942
Item WH-01942Threaded bit Phillips PH2 M5, 45 mm for stationary screw systems - Wiha 01943
Item WH-01943Questions about this item
Any other question?
Send us the item number and your question. We clarify technical details directly with the manufacturer and usually reply on the next working day.











