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The 4-985-2 torque adapter sits between a holder and a 1/4 inch bit and releases reliably at 2.2 Nm with a tolerance of +/-10%. At just 12 mm in diameter and 21 g in weight, it suits delicate fastening on electronic assemblies.

Torque Adapter 2.2 Nm for 1/4 Inch Bits, Compact 12 mm Diameter - Bernstein 4-985-2

BERNSTEIN Original product
Net price (excl. VAT)
€24.30
Item BS-4-985-2
Manufacturer no. 4-985-2
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Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.4-985-2
EAN4250838536868
Customs tariff number82041100
ConditionNew
Article
BS-4-985-2

For miniature screws on electronic assemblies where 2.2 Nm must not be exceeded, the 4-985-2 adapter delivers a repeatable tightening torque between holder and bit.

Benefits

  • Preset tightening torque of 2.2 Nm with a tolerance of +/-10%, rated for at least 20,000 clicks.
  • Bit magnetic holder and drive each 1/4 inch hexagon 6.35 mm to DIN 3126.
  • Slim design with only 12 mm diameter and an overall length of 38.3 mm, ideal for tight access.
  • No torque release when loosening, giving 30% higher torque without an extra tool.
  • For power tool use, a maximum of 100 rpm with minimum click repetition is recommended.

Technical Data

FeatureValue
Releasepreset, for at least 20,000 clicks
Tolerance+/-10% (factory certificate on request)
Tightening Torque2.2 Nm / 22.4 kgf·cm / 19.5 in-lb
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 Length (without shank)28.3 mm
Overall Length38.3 mm
Weight21 g

Application

  • Fine assembly on electronic assemblies with a narrow torque window.
  • Use between bit holder and power tool, max. 100 rpm with minimum click repetition.
  • Quick-change systems and robotic stations in production.

Standards and Delivery Data

  • Adapter tested to DIN EN ISO 6789
  • Holder and drive to DIN 3126
  • EAN 4250838536868
  • Customs tariff number 82041100
  • Country of origin Taiwan
More Information
Norm DIN 3126, DIN EN ISO 6789
Manufacturer Nr. 4-985-2
Manufacturer Bernstein
EAN 4250838536868
Weight 0.021000
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