Images are examples, some edited with AI. The technical data are authoritative. AI notice
Hex Bit Professional 90 mm, 4.0 mm, 1/4" E6,3 - Wiha 39181
The Wiha Bit Professional 7043Z with 4.0 mm internal hexagon and 90 mm overall length reliably transfers tightening torques to Allen fasteners in trade and industrial use. Through-hardened chrome-vanadium steel to DIN ISO 2351-3 ensures lasting dimensional stability.
- Specialist dealer since 2009
- Invoice payment for regular customers
- Worldwide shipping
- Technical questions clarified with the manufacturer
Description
The Wiha Bit Professional 7043Z with 4.0 mm hex drive is designed for reliable torque transfer on Allen screws. The combination of 90 mm length and through-hardened chrome-vanadium steel makes it a versatile tool for assembly and maintenance work.
Benefits
- Through-hardened chrome-vanadium steel for high wear resistance
- 90 mm length reaches deep-set screws and hard-to-access positions
- 1/4" E6,3 drive to DIN 3126 and ISO 1173 - universally compatible
- 4.0 mm across flats suits frequently used hex sizes in mechanical engineering
Applications
Suitable for all types of screw fastening in trade and industry. Compatible with 1/4" bit holders, screwdrivers and power drivers. Made in Germany.
Technical data
| Profile | Internal hexagon (hex), 4.0 mm |
|---|---|
| Overall length | 90 mm |
| Drive | 1/4" E6,3 (DIN 3126, ISO 1173, style E 6.3) |
| Dimensions | 90 x 7 x 6 mm (L x W x D) |
| Material | Chrome-vanadium steel, through hardened |
| Standard | DIN ISO 2351-3 |
| Weight | 0.022 kg |
| Manufacturer | Wiha |
| Manufacturer Nr. | 70430040090 |
| EAN | 4010995391812 |
| HS-Code | 82079030 |
| 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 | Germany |
| ESD version | TEC |
| Norm | DIN 3126, DIN ISO 2351-3, ISO 1173 |
Downloads
Accessories
Questions 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.








