bahco_6978n

BAHCO 6978N torque screwdriver, digital, adjustable 50-450cNm

BAHCO
Supplier number: BAHCO 6978N | EAN 7314151845629
Recommended Retail Price €573.07
349.60 tax incl.
€288.93 excl. VAT (incl. all environmental contributions)
On order: delivered from 07/10/2026

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Controlled precision for delicate fastening

Practical benefits
  • Accurate Bahco 6978N settings: You easily adjust torque between 50 and 450 cNm for delicate tightening operations.
  • Integrated over-torque protection: The slipping clutch mechanism disengages automatically to prevent over-tightening once the torque limit is reached.
  • Versatile magnetic bit holder: The standard 1/4" hex drive allows you to swap and secure bits quickly during use.

In a nutshell

The right choise for

With the Bahco 6978N torque screwdriver, you achieve absolute control and precision during delicate electronic and fine-mechanical assemblies. Featuring an adjustable torque range of 50 to 450 cNm and an accuracy of ±6%, it ensures strict compliance with manufacturer tightening specifications. The integrated slipping clutch mechanism activates a tactile and audible click signal when the target torque is reached, effectively preventing over-tightening and protecting sensitive threads or housings. Its standard 1/4" magnetic hex bit holder allows fast bit changes on the job. You can also loosen fasteners counter-clockwise without affecting the internal mechanism, giving you complete confidence during every delicate fastening task.



Product information FAQ
€349.60
tax incl.

Product information

Key features according to our expert

  • Min. tightening torque: 50 cNm
  • Max. tightening torque: 450 cNm

Product description:

  • Micro adjustable torque screwdriver
  • Accuracy ± 6%
  • Over-torque limiting clutch
  • 1/4" hex magnet spring loaded bit holder
  • ISO 6789, ISO 1174

All Features

Min. tightening torque
50 cNm
Max. tightening torque
450 cNm
Tip width mm (d)
9,6 mm
Length mm (a)
170 mm
Torque range nm
90-450 cNm N·m
Total length mm
170 mm
Total length mm (a)
170 mm
Weight kg
0.300 kg
Capacity ncm
90-450 cNM
Square inch
1/4 in
Female hexagon drive inch
1/4 in
Length drive mm (b)
18,2 mm
Blade width mm (c)
31 mm
Norm
ISO6789:2003
Weight g
300 g

Frequently asked questions about this product

Answered by specialists
What is the adjustable torque range of this torque screwdriver?
The adjustable torque range of the Bahco 6978N is 50 to 450 cNm (0.5 to 4.5 Nm).
What drive size does the tool holder use?
The screwdriver features a 1/4" magnetic hex bit holder suitable for standard screwdriver bits.
How does the tool indicate that the set torque is reached?
The over-torque limiting clutch produces a tactile and audible click signal and prevents over-tightening.
Can this model be used to loosen fasteners?
Yes, you can loosen fasteners counter-clockwise without affecting the internal mechanism.
What is the tightening accuracy of the Bahco 6978N?
This model provides an accuracy of ±6% for clockwise torque tightening.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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0032 3 74 000 41 [email protected]

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