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The narrow torque adapter 4-991-06 fits between a 1/4 inch bit and a holding tool and delivers a factory preset tightening torque of 0.6 Nm with +/-10% tolerance over at least 20,000 clicks. Its 10 mm diameter suits tight access situations.

Torque Adapter 0.6 Nm for 1/4 Inch Bits, Narrow Version Ø 10 mm - Bernstein 4-991-06

BERNSTEIN Original product
Net price (excl. VAT)
€31.63
Item BS-4-991-06
Manufacturer no. 4-991-06
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.4-991-06
EAN4250838536264
Customs tariff number82041100
ConditionNew
Article
BS-4-991-06

For very small tightening torques on electronic and precision-mechanics assemblies, the narrow torque adapter 4-991-06 fits between the holder and a 1/4 inch bit. It is factory preset to 0.6 Nm and holds that value for at least 20,000 clicks with a tolerance of +/-10%.

Advantages

  • Overtightening is impossible, the click sound reliably signals 0.6 Nm
  • Fixed preset for at least 20,000 clicks at +/-10% tolerance, factory certificate on request
  • Narrow design with only 10 mm diameter for tight access situations
  • No torque unlocking when loosening, giving 30% higher breakaway torque without extra tools
  • Compact 34.5 mm overall length at only 15 g weight
  • Approved for power tools up to max. 100 rpm with minimum click repetition

Technical Data

FeatureValue
PresetPrecise for at least 20,000 clicks
Tolerance+/-10% (factory certificate on request)
Tightening torque0.6 Nm / 6.1 Kgfcm / 5.3 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 diameter10 mm (narrow version)
Adapter length24.5 mm (without shank)
Overall length34.5 mm
Weight15 g

Application

For the smallest tightening torques on electronic equipment, precision mechanics, medical technology and any workstation with restricted access, wherever an exact torque of 0.6 Nm is required. With power tools, Bernstein recommends max. 100 rpm and minimum click repetition.

Standards and Supply Data

  • Tested to DIN EN ISO 6789 (manually operated torque screwdriving tools)
  • EAN 4250838536264
  • Customs tariff number 82041100
  • Country of origin Taiwan
More Information
Weight 0.015000
Manufacturer Bernstein
Manufacturer Nr. 4-991-06
EAN 4250838536264
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