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Torque Adapter 0.2 Nm for 4 mm C4 Bits with Hex Shank - Bernstein 4-972
The 4-972 torque adapter is factory set to a fixed 0.2 Nm and stays within +/-10% tolerance for at least 20,000 clicks. It clamps between any standard holding tool and a 4 mm C4 bit, making it suited to precise tightening of the smallest screws in electronics manufacturing.
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Description
Where a single, repeatable torque step is required, one adapter is enough instead of a full set. The 4-972 torque adapter is fixed at 0.2 Nm and clamps between a holding tool and a 4 mm C4 bit.
Benefits
- Fixed preset tightening torque 0.2 Nm, tolerance +/-10%, for at least 20,000 clicks.
- Fits any standard holder with a 4 mm hex socket.
- A click signals when the torque is reached, the adapter cannot be overtightened.
- No torque release when loosening, giving up to 30% higher breakaway torque without extra tools.
- Compact design at 32 mm overall length and 7.5 g weight, barely noticeable on the tool.
Application
- Fine assembly and repair of electronic devices with a specified tightening torque.
- Quick change systems and robotic stations requiring a recurring fixed torque.
- Manual operation preferred, with power tools max. 100 rpm and minimal click repetition.
Standards and Delivery Data
- Adapter tested to DIN EN ISO 6789
- EAN 4250838525497
- Customs tariff number 82041100
- Country of origin Taiwan
Technical data
| Feature | Value |
|---|---|
| Tightening Torque | 0.2 Nm / 2.0 Kgfcm / 1.8 in-lb |
| Tolerance | +/-10% (factory certificate on request), precise for at least 20,000 clicks |
| Bit Holder | Magnetic, 4.0 mm hex (factory standard) |
| Drive | Hex shank 4.0 mm (factory standard) |
| Material | Alloyed steel |
| Adapter Diameter | 8 mm |
| Adapter Length | 22.0 mm (without shank) |
| Overall Length | 32 mm |
| Weight | 7.5 g |
| Manufacturer | Bernstein |
| Manufacturer Nr. | 4-972 |
| EAN | 4250838525497 |
| 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 |
| ESD version | TEC |
| Norm | 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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Item BS-4-107Torque Adapter 0.6 Nm for C4 Bits, 4 mm Hex, ±10% Tolerance - Bernstein 4-976
Item BS-4-976Torque Adapter 0.1 Nm for 4 mm C4 Bits with Hex Shank - Bernstein 4-971
Item BS-4-971Torque Adapter 0.3 Nm for 4 mm C4 Bits with Hex Shank - Bernstein 4-973
Item BS-4-973Torque Adapter 0.4 Nm for C4 Bits, 4 mm Hex, ±10% Tolerance - Bernstein 4-974
Item BS-4-974Torque Adapter 0.5 Nm for C4 Bits, 4 mm Hex, ±10% Tolerance - Bernstein 4-975
Item BS-4-975Precision Screwdriver Set Slotted 1.0-3.0 mm and Phillips PH00/PH000, 5 Pieces - Bernstein 4-380-A
Item BS-4-380-AQuestions about this item
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