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The 4-970-A bit set combines two factory preset torque adapters at 0.1 and 0.2 Nm with a 42 piece C4 bit set in slotted, cross-recess, Torx, and other profiles. The dissipative ESD bit holder makes it ready for repair and manufacturing of sensitive electronics, packed in a plastic case with foam insert.

Bit Set 47 Pieces with Torque Adapter 0.1 and 0.2 Nm in Plastic Case - Bernstein 4-970-A

BERNSTEIN Original product
Net price (excl. VAT)
€95.86
Item BS-4-970-A
Manufacturer no. 4-970-A
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.4-970-A
EAN4250838525558
Customs tariff number82060000
ConditionNew
Article
BS-4-970-A

Tightening screws on sensitive components must not exceed a defined torque. The 4-970-A bit set provides two preset torque adapters at 0.1 and 0.2 Nm plus a 42 piece C4 bit set, all packed in an impact-resistant plastic case.

Benefits

  • Two torque adapters at 0.1 and 0.2 Nm, tolerance +/-10%, protect miniature screws from overtightening.
  • 42 C4 bits in slotted, cross-recess, Torx, hex, and other profiles cover almost every miniature screw.
  • Dissipative ESD bit holder at 10^6 to 10^9 ohm enables use at ESD workstations.
  • No torque release when loosening, giving up to 30% higher breakaway torque without extra tools.
  • Plastic case with foam insert, 175 x 160 x 45 mm, 410 g, keeps all 47 pieces organized.

Technical Data

FeatureValue
Preset Torque0.1 and 0.2 Nm, tolerance +/-10% (factory certificate on request)
Adapter Diameter8 mm
Adapter Length22 mm (without shank)
Max. Speed with Power Tool100 rpm
ShankHex 4.0 mm
Bit HolderMagnetic, 4.0 mm
MaterialStainless steel and high-quality tool steel
ExtensionAluminum with 4 mm bit holder, ESD handle (dissipation resistance 10^6 to 10^9 ohm)
CasePlastic case with foam insert
Dimensions175 x 160 x 45 mm
Weight410 g

Application

  • Repair and maintenance of smartphones, tablets, and electronics with miniature screws.
  • Manufacturing and service of electronic assemblies with a specified breakaway torque.
  • Use at ESD workstations thanks to the dissipative bit holder.

Scope of Delivery

  • 4-971 torque adapter 0.1 Nm for 4 mm bits
  • 4-972 torque adapter 0.2 Nm for 4 mm bits
  • 6-340-3 C4 bit set 42 pieces, slotted, cross-recess, Torx, hex, and more profiles
  • 6-340-2 bit extension, 4 mm hex
  • 6-340-1 ESD bit holder, dissipative, 4 mm hex
  • 4-564 bit adapter 1/4 inch to 4 mm, length 42.5 mm

Standards and Delivery Data

  • Adapter tested to DIN EN ISO 6789
  • EAN 4250838525558
  • Customs tariff number 82060000
  • Country of origin Taiwan
More Information
ESD versionTEC
Manufacturer Nr.4-970-A
ManufacturerBernstein
EAN4250838525558
Weight0.410000
Height45
Lenght18
HS-Code82060000
GPSR manufacturer informationBERNSTEIN Werkzeugfabrik Industriehof Trecknase 1 DE-42897 Remscheid www.bernstein-werkzeuge.de
Article authenticityOriginal product
Condition of articleNew
Position sensingNo
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