The Wiha Micro-bit 40639 with TORX T20 profile covers one of the most common TORX sizes across automotive, electronics and household applications. Its 28 mm through-hardened chrome-vanadium steel ensures precise torque transfer via the 4 mm shank. Conforms to DIN 3126 and ISO 1173 Style C4.
Micro-bit TORX T20 28 mm, 4 mm shank - Wiha 40639
- This Item: €1.48
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The Wiha Micro-bit 40639 features a TORX T20 drive, a size widely found in automotive assembly, consumer electronics and household appliances. At 28 mm total length with a 4 mm shank it fits standard bit holders with C4 drive.
Benefits
- Through-hardened chrome-vanadium steel for high service life
- TORX T20 profile for positive, cam-out-free torque transfer
- Compact 28 mm length for restricted installation areas
- Standard 4 mm shank to DIN 3126, ISO 1173, Style C4
Technical data
- TORX: T20
- Overall length: 28 mm
- Shank diameter: 4 mm
- Dimensions: 28 x 5 x 4 mm (L x W x D)
- Material: chrome-vanadium steel, through hardened
- Standards: DIN 3126, ISO 1173, Style C4
Applications
Suitable for T20 TORX screws in automotive assembly, electronics manufacturing and household appliances. Made in Vietnam (HS 82079030).
| Execution | TEC |
|---|---|
| Manufacturer Nr. | 70054020 |
| Manufacturer | Wiha |
| Country of Manufacture | Vietnam |
| EAN | 4010995406394 |
| Weight | 0.003000 |
| HS-Code | 82079030 |
| GPSR manufacturer information | Wiha Werkzeuge GmbH Obertalstraße 3-7 DE-78136 Schonach www.wiha.com |
| Article authenticity | Original product |
| Condition of article | New |














