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Torque Adapter 0.6 Nm for 1/4 Inch Bits, DIN 3126 Hex 6.35 mm - Bernstein 4-981
This torque adapter delivers a factory preset tightening torque of 0.6 Nm with a tolerance of ±10% for at least 20,000 clicks. It clamps between any standard holding tool and a 1/4 inch bit to DIN 3126, making it suitable for fastening in electronics and precision engineering.
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- Technical questions clarified with the manufacturer
Description
Fastening work in electronics and precision engineering demands exact torque control to protect the part and the connection. The Bernstein 4-981 torque adapter is factory preset to 0.6 Nm and turns any standard holding tool with a 1/4 inch bit to DIN 3126 into a precise torque tool.
Advantages
- Preset tightening torque of 0.6 Nm with ±10% tolerance for at least 20,000 clicks
- Audible click signals when torque is reached, overtightening is impossible
- No torque release when loosening thanks to the locked core shaft, giving 30% higher loosening torque without extra tools
- Bit holder and drive to DIN 3126 for compatibility with common 1/4 inch tool systems
- Factory certificate available on request for quality assurance
Application
The adapter is designed for manual use at the workbench as well as in quick-change systems and robotic stations. When used with power tools, Bernstein recommends a maximum speed of 100 rpm with minimal click repetition, typical fields include electronics assembly, aerospace, and medical technology.
Standards and Delivery Data
- Tested to DIN EN ISO 6789 for manually operated torque screwdriving tools
- Bit holder to DIN 3126
- EAN 4250838528443
- Customs tariff number 82041100
- Country of origin Taiwan
Technical data
| Feature | Value |
|---|---|
| Tightening torque | 0.6 Nm / 6,1 Kgfcm / 5,3 in-lb |
| Tolerance | ±10% (factory certificate on request) |
| Click life | at least 20,000 clicks |
| Bit magnetic holder | 1/4 inch hexagon 6.35 mm (DIN 3126) |
| Drive | 1/4 inch hex shank 6.35 mm (DIN 3126) |
| Material | alloyed steel |
| Adapter diameter | 12 mm |
| Adapter length | 28.3 mm (without shank) |
| Overall length | 38.3 mm |
| Weight | 21 g |
| Manufacturer | Bernstein |
| Manufacturer Nr. | 4-981 |
| EAN | 4250838528443 |
| HS-Code | 82041100 |
| GPSR manufacturer information | BERNSTEIN Werkzeugfabrik Industriehof Trecknase 1 DE-42897 Remscheid www.bernstein-werkzeuge.de |
| Condition of article | New |
| Article authenticity | Original product |
| Norm | DIN 3126, DIN EN ISO 6789 |
Downloads
Datasheet
Certificate
Other
- Cases and Sets EN
- Bernstein Catalogue Pages Ball Joint Vices and Holders EN
- Bernstein Catalogue Pages VDE Tools EN
- Bernstein Catalogue Pages Pliers EN
- Bernstein Catalogue Pages Screwing Tools, Torque and Bits EN
- Bernstein ESD Guide EN
- Drehmoment Schraubendreher DE
- Kugelgelenk Schraubstock DE
- Schonbacken DE
- Bernstein Katalogseiten Schraubstöcke und Halter DE
- ESD Leifaden DE
- Bernstein Katalogseiten ESD Arbeitsplatz und ESD Handwerkzeuge DE
- Bernstein Katalogseiten Pinzetten DE
- Bernstein Katalogseiten VDE Werkzeuge DE
- Zangen DE
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