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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.

Torque Adapter 0.6 Nm for 1/4 Inch Bits, DIN 3126 Hex 6.35 mm - Bernstein 4-981

BERNSTEIN Original product
Net price (excl. VAT)
€24.30
Item BS-4-981
Manufacturer no. 4-981
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.4-981
EAN4250838528443
Customs tariff number82041100
ConditionNew
Article
BS-4-981

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

Technical Data

FeatureValue
Tightening torque0.6 Nm / 6,1 Kgfcm / 5,3 in-lb
Tolerance±10% (factory certificate on request)
Click lifeat least 20,000 clicks
Bit magnetic holder1/4 inch hexagon 6.35 mm (DIN 3126)
Drive1/4 inch hex shank 6.35 mm (DIN 3126)
Materialalloyed steel
Adapter diameter12 mm
Adapter length28.3 mm (without shank)
Overall length38.3 mm
Weight21 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
  • Bit holder to DIN 3126
  • EAN 4250838528443
  • Customs tariff number 82041100
  • Country of origin Taiwan
More Information
Manufacturer Nr.4-981
ManufacturerBernstein
EAN4250838528443
Weight0.021000
HS-Code82041100
GPSR manufacturer informationBERNSTEIN Werkzeugfabrik Industriehof Trecknase 1 DE-42897 Remscheid www.bernstein-werkzeuge.de
Article authenticityOriginal product
Condition of articleNew
Position sensingNo