Images are for illustration purposes only and may differ from the actual product. Some images have been generated or edited, in whole or in part, using artificial intelligence systems. The technical specifications in the product description are authoritative.
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 4 mm C4 bit, making it ideal for precision fastening in electronics assembly, medical devices, and fine mechanics.
Torque Adapter 0.6 Nm for C4 Bits, 4 mm Hex, ±10% Tolerance - Bernstein 4-976
BERNSTEIN
Original product
Net price (excl. VAT)
€24.30
Item
BS-4-976
Manufacturer no.
4-976
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.4-976
EAN4250838525534
Customs tariff number82041100
ConditionNew
Article
BS-4-976
Frequently Bought Together
Fastening delicate components in electronics assembly demands exact torque control to protect both the part and the connection. The Bernstein 4-976 torque adapter is factory preset to 0.6 Nm and turns any standard holding tool with a 4 mm C4 bit 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
- Compact design with an 8 mm adapter diameter and 32 mm overall length for tight spaces
- Factory certificate available on request for quality assurance
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 | 4.0 mm hexagon (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 |
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
- EAN 4250838525534
- Customs tariff number 82041100
- Country of origin Taiwan
| Norm | DIN EN ISO 6789 |
|---|---|
| ESD version | TEC |
| Manufacturer Nr. | 4-976 |
| Manufacturer | Bernstein |
| EAN | 4250838525534 |
| Weight | 0.007500 |
| HS-Code | 82041100 |
| GPSR manufacturer information | BERNSTEIN Werkzeugfabrik Industriehof Trecknase 1 DE-42897 Remscheid www.bernstein-werkzeuge.de |
| Article authenticity | Original product |
| Condition of article | New |
| Position sensing | No |
Customers Who Bought This Item Also Bought










