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Tightening technique

Reliable technology with the highest quality

Hand-held nutrunners nutrunners accessories

Modular structure – tailor-made technology

DSM offers electrical hand-held nutrunners and nutrunners for manual, automated, and fully automatic assembly processes. They are characterized by their wide variety, and highest level of reliability and precision. DSM nutrunners are not only available in varied torque versions, but also with a diverse range of drive and attachment modules. Indeed, it is possible to use DSM cutting-edge technology for virtually every application case.

Hand-held nutrunners

  • Digital hand-held tightening technique
  • Nutrunners from 0.05 Nm to 60 Nm
  • Error-free setup through integrated parameter memory
  • Maintenance-free brushless servo motor, clockwise / anti-clockwise
  • Robust housing made of stainless steel and aluminium
  • Wear-free operating elements
  • Diverse output versions
  • DSH 26
  • DS 34-P
  • DSH 34
  • DS 44-P
  • DSH 44
  • Hand-held nutrunner with electronically controlled servo motor and digital data transmission
    Available in torque versions of 0.5 Nm, 1 Nm, 2 Nm and 4 Nm.

    • Status indicator over light field
    • Ergonomic aluminium handle
    • Start button and programmable function switch
    • Screw location lighting
    • Motor and gears are integrated into a drawn aluminium tube
    • Suspension bracket


    Product datasheet DSH26
    (PDF, 326KB)

    Hand-held nutrunner overview
    (PDF, 646KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 3.7° (DSH26/005, 26/01); 2,6° (DSH26/02); 1,0° (DSH26/04)

    SA design

    • Torque measurement indirectly via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 4.3° (DSH26/005, 26/01); 2.1° (DSH26/02); 1.0° (DSH26/04)
  • Electromechanical precision nutrunner with pistol handle and digital data transmission.
    Available in torque versions 2.5 Nm, 5 Nm, 10 Nm and 15 Nm.

    • Status indicator over light field
    • Start switch and programmable function switch
    • Adjusting wheel for speed limitation
    • Motor and gears are integrated into a drawn aluminium tube


    Product datasheet DS34-P
    (PDF, 465KB)

    Hand-held nutrunner overview
    (PDF, 646KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via digital absolute encoder
    • Measurement precision of rotational angle: 0.1°

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 3.3° (DS34/025, 34/05); 1.7° (DS34/10, 34/15)
  • Hand-held nutrunner with electronically controlled servo motor and digital data transmission.
    Available in torque versions of 5 Nm, 10 Nm and
    20 Nm.

    • Status indicator via light field
    • Start button and programmable switchover ring

    Product datasheet DSH34
    (PDF, 463KB)

    Hand-held nutrunner overview
    (PDF, 646KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 1.7° (straight output); 1.2° (angle attachment)

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 1.7° (straight output); 1.2° (angle attachment)
  • Electromechanical precision nutrunner with pistol handle and digital data transmission.
    Available in torque versions of 2.5 Nm, 5 Nm, 10 Nm, 20 Nm and 35 Nm.

    • Status indicator via light field
    • Start switch and programmable function switch
    • Adjusting wheel for speed limitation
    • Motor and gears are integrated into a drawn aluminium tube

    Product datasheet DS44-P
    (PDF, 520KB)

    Hand-held nutrunner overview
    (PDF, 646KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via digital absolute encoder
    • Measurement precision of rotational angle: 0.1°

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 3.3° (DS44/05);
      2.3° (DS44/10); 1.4° (DS44/20); 1.0° (DS44/35)
  • Hand-held nutrunner with electronically controlled servo motor and digital data transmission.
    Available in torque versions of 20 Nm, 30 Nm, 40 Nm and 60 Nm.

    • Status indicator via light field
    • Start button and programmable switchover ring

    Product datasheet DSH44
    (PDF, 463KB)

    Hand-held nutrunner overview
    (PDF, 646KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 1°

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 1°

Reliable hand-held tightening technique
with the highest quality.

DSM offers a variety of high-performance tightening tools for virtually every field of application Regardless of whether it’s digital hand-held tightening technique or analogue nutrunners, DSM offers reliable function and excellent quality, first-class ergonomics as well as an enormous range of versions.

Those on the lookout for perfect manual, automated or fully-automated assembly processes, opt for DSM tightening technique.

Tightening technique from DSM

  • Digital tightening technique
  • Nutrunners from 0.05 Nm to 2400 Nm
  • Error-free setup through integrated parameter memory
  • Maintenance-free brushless servo motor, clockwise / anti-clockwise
  • Robust housing made of stainless steel and aluminium
  • Diverse drive and attachment versions
  • DS 26
  • DS 34
  • DS 44
  • DS 57
  • DS 80
  • DS 80-130
  • Nutrunner with electronically controlled servo motor and digital data transmission
    Available in torque versions of 0.5 Nm, 1 Nm, 2 Nm and 4 Nm.

    • Status indicator over light field
    • Motor and gears are integrated into a drawn aluminium tube
    • Speed continuously variable, clockwise / anti-clockwise

    Product datasheet DS26
    (PDF, 442KB)

    Nutrunner overview
    (PDF, 644KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 3.7° (DS26/005, 26/01); 2.6° (DS26/02); 1.0° (DS26/04)

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 4.3° (DS26/005, 26/01); 2.1° (DS26/02); 1.0° (DS26/04)

    Standard options:

    • Stub attachment
    • Spring attachment
    • Angle attachment
    • Self-start
  • Nutrunner with electronically controlled servo motor and digital data transmission
    Available in torque versions of 2.5 Nm, 5 Nm, 10 Nm and 15 Nm.

    • Status indicator over light field
    • Motor and gears are integrated into a drawn aluminium tube
    • Speed continuously variable, clockwise / anti-clockwise

    Product datasheet DS34
    (PDF, 528KB)

    Nutrunner overview
    (PDF, 644KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via digital absolute encoder
    • Measurement precision of rotational angle: 0.1°

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 3.3° (DS34/025, 34/05); 1.7° (DS34/10, 34/15)

    Standard options:

    • Stub attachment
    • Spring attachment
    • Angle attachment
    • Attachment offset
    • Self-start
  • Nutrunner with electronically controlled servo motor and digital data transmission
    Available in torque versions of 2.5 Nm, 5 Nm, 10 Nm, 20 Nm and 35 Nm.

    • Status indicator over light field
    • Motor and gears are integrated into a drawn aluminium tube
    • Speed continuously variable, clockwise / anti-clockwise

    Product datasheet DS44
    (PDF, 596KB)

    Nutrunner overview
    (PDF, 644KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via digital absolute encoder
    • Measurement precision of rotational angle: 0.1°

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 3.3° (DS44/05);
      2.3° (DS44/10); 1.4° (DS44/20); 1.0° (DS44/35)

    Standard options:

    • Stub attachment
    • Spring attachment
    • Angle attachment
    • Attachment offset
    • Self-start
  • Nutrunner with electronically controlled servo motor and digital data transmission
    Available in torque versions of 25 Nm, 50 Nm, 70 Nm, 90 Nm and 140 Nm.

    • Status indicator over light field
    • Speed continuously variable, clockwise / anti-clockwise
    • Compact design

    Product datasheet DS57
    (PDF, 376KB)

    Nutrunner overview
    (PDF, 644KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via digital absolute encoder
    • Measurement precision of rotational angle: 0.1°

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 4.5° (DS57/25, 57/50);
      2.2° (DS57/70); 1.2° (DS57/140)

    Standard options:

    • Stub attachment
    • Spring attachment
    • Angle attachment
    • Attachment offset
    • Self-start
    • Drive offset
  • Nutrunner with electronically controlled servo motor and digital data transmission
    Available in torque versions of 220 Nm, 300 Nm,
    420 Nm, 500 Nm
    and 600 Nm.

    • Status indicator over light field
    • Speed continuously variable, clockwise / anti-clockwise
    • Compact design

    Product datasheet DS80
    (PDF, 511KB)

    Nutrunner overview
    (PDF, 644KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via digital absolute encoder
    • Measurement precision of rotational angle: 0.1°

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 1.2° (DS80/220, 80/300);
      1.0° (DS80/420, 80/500, 80/600)

    Standard options:

    • Stub attachment
    • Spring attachment
    • Angle attachment
    • Attachment offset
    • Self-start
    • Drive offset
  • Nutrunner with electronically controlled servo motor and digital data transmission
    Available in torque versions of 900 Nm, 1000 Nm,
    1500 Nm, 2000 Nm
    and 2400 Nm.

    • Status indicator over light field
    • Speed continuously variable, clockwise / anti-clockwise
    • Compact design

    Product datasheet DS80-130
    (PDF, 392KB)

    Nutrunner overview
    (PDF, 644KB)

    MDW design

    • Torque measurement direct via digital sensor
    • Measurement precision of torque: 0.5% of final value
    • Rotational angle recording via digital absolute encoder
    • Measurement precision of rotational angle: 0.1°

    SA design

    • Torque measurement indirect via power-off
    • Measurement precision of torque: 5% of final value
    • Rotational angle recording via motor sensors
    • Measurement precision of rotational angle: 1.0°

    Standard options:

    • Stub attachment
    • Spring attachment

Impressive installation solutions
from DSM Messtechnik.

Great products are the result of flawless processes. In the case of industrial manufacturing, perfect production is paramount. Screw connections in particular should not cause product deficiencies. Regardless of whether it is digital or analogue tightening technique - DSM is a solid choice for high quality. All DSM products are characterised by their perfect integration into new or existing production lines. The DSM experts for tightening technique support projects of our customers, from the planning phase, through to commissioning and of course beyond.