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HAZET 6109-2CT Torque Wrench 4–40 N·m, 1/4″

Part No. 6109-2CT
Torque Range 4–40 N·m
Accuracy ±2% (clockwise)
Square Drive 1/4″
Torque Type Adjustable
Actuating Force (min.–max.) 2.0–21.4 kg
Scale Graduation 0.4 N·m
Length 256 mm
Ratchet Opening Angle 4°
Ratchet Tooth Count 90
Calibration Certificate Available
Accredited Calibration Optional
Weight 0.4 kg
Manufacturer / Origin Hazet / Germany
  • Brand
  • Operation Type
  • Accuracy
  • Scale
  • Drive Size
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HAZET · INDUSTRIAL TORQUE WRENCH

HAZET 6109-2CT Industrial Torque Wrench

4–40 N·m Torque Range · ±2% Accuracy · 1/4″ Square Drive

Key Features

  • Torque range: 4–40 N·m
  • Accuracy: ±2% of the set torque value for clockwise tightening
  • Square drive: 1/4″
  • Scale graduation: 0.4 N·m
  • Actuating force (min.–max.): 2.0–21.4 kg
  • Length: 256 mm
  • Weight: 0.4 kg
  • 90-tooth reversible ratchet · 4° operating angle
  • HiPer fine-tooth ratchet mechanism
  • Audible and tactile click signal when the set torque is reached
  • Torque adjustment handle and locking mechanism
  • Serial number and HAZET factory calibration certificate
  • Manufacturer / Country of origin: Hazet / Germany
  • Technical support, spare parts and calibration services provided by Surkon
HAZET 6109-2CT industrial torque wrench

Controlled Tightening for Industrial Applications

The HAZET 6109-2CT is an adjustable industrial torque wrench for controlled tightening within a range of 4–40 N·m. Determine the required tightening torque from the machine or connection manufacturer’s instructions.

The 1/4″ square drive accepts compatible sockets. The reversible ratchet has 90 teeth and a 4° operating angle.

The scale graduation is 0.4 N·m. This describes the increments on the scale; it is separate from the ±2% torque accuracy.

The actuating force indicates the minimum and maximum force required at the handle within the specified torque range. HAZET specifies 2.0–21.4 kg for the 6109-2CT. The wrench weighs 0.4 kg.

Turn the handle to set the torque and use the locking mechanism to secure the setting. An audible and tactile click signals when the set torque is reached. Stop tightening when the signal occurs.

The stated accuracy applies to clockwise tightening. Reversing the ratchet direction does not mean that the same torque accuracy applies to anticlockwise tightening. Select a suitable model for controlled anticlockwise tightening.

Made in Germany, the wrench is supplied with a serial number and factory calibration certificate. Technical support, spare parts and calibration services are provided by Surkon.

Manufacturer’s note: HAZET states that this model exceeds the maximum torque value specified for its square drive in DIN EN ISO 6789-1:2017 and therefore notes a DIN conformity exception. Also check the torque capacity of the sockets and accessories used.

Model Comparison

Model Torque Range (N·m) Square Drive Torque Accuracy Scale Graduation (N·m) Ratchet Tooth Count Ratchet Opening Angle Actuating Force* (kg) a (mm) b (mm) Length (mm) Weight (kg)
6106-1CT 1–6 1/4″ ±4% 0.1 90 4° 0.7–4.4 10.2 24 197 0.3
6108-1CT 2–10 1/4″ ±2% 0.2 90 4° 1.4–7.3 10.2 24 198 0.34
6109-2CT 4–40 1/4″ ±2% 0.4 90 4° 2.0–21.4 10.2 24 256 0.4
6110-1CT 5–60 3/8″ ±2% 0.5 90 4° 1.9–24.7 14.5 32 335 0.56
6111-1CT 20–120 3/8″ ±2% 1 90 4° 6.7–42.4 14.5 32 389 0.89
6121-1CT 20–120 1/2″ ±2% 1 90 4° 6.0–37.4 19.6 44 437 1.14
6122-1CT 40–200 1/2″ ±2% 1 90 4° 9.0–47.5 19.6 44 547 1.32
6123-1CT 60–320 1/2″ ±2% 2 90 4° 10.8–59.6 19.6 44 661 1.51
6143-1CT 100–400 3/4″ ±2% 2.5 32 11.25° 14.5–59.2 28.5 64 802 3.72
6144-1CT 200–500 3/4″ ±2% 2.5 32 11.25° 21.6–54.6 28.5 64 1046 5.54
6145-1CT 300–800 3/4″ ±2% 2.5 32 11.25° 25.9–70.2 28.5 64 1283 6.34
6150-1CT 400–1000 3/4″ ±3% 5 32 11.25° 24.2–61.0 36 77 1789 10
6160-1CT 600–1600 1″ ±3% 5 32 11.25° 26.1–70.1 36 77 2455 14
6170-1CT 800–2000 1″ ±4% 6 32 11.25° 27.9–70.1 36 77 3033 18

* Actuating force is the minimum–maximum force required at the handle; it is not the tool’s weight. a: head thickness; b: head width. The yellow row highlights the model shown on this page.

On smaller screens, you can scroll the table horizontally.

Product Detail Image

HAZET 6109-2CT industrial torque wrench

HAZET 6109-2CT industrial torque wrench

HAZET 6109-2CT – Frequently Asked Questions

What is the HAZET 6109-2CT used for?

It is used for controlled tightening within a torque range of 4–40 N·m. Select it for assembly, service or maintenance tasks according to the torque specified for the connection. 

What is the difference between the HAZET 6000 CT and 5000 series?

The HAZET 5000-3CT series is designed for automotive service, maintenance and general workshop use. The 6000 CT series includes options for industrial assembly and production applications requiring tighter torque tolerances.

Both series provide an audible and tactile signal when the set torque is reached. For example, the 5121-3CT and 6121-1CT both cover 20–120 N·m; their stated accuracies are ±3% and ±2% respectively. At a 100 N·m setting, these correspond to ±3 N·m and ±2 N·m. The 6121-1CT also has a 90-tooth HiPer ratchet with a 4° operating angle.

Accuracy and ratchet features vary by model. Select according to the required torque range, permitted tolerance, square drive size and available working space.

What should I do when the set torque is reached?

Stop tightening when the audible and tactile signal occurs. Do not continue applying force after the signal.

Can I tighten anticlockwise with the same accuracy by reversing the ratchet?

No. The stated ±2% accuracy of the HAZET 6109-2CT applies to clockwise tightening. Reversing the ratchet does not mean that the same torque accuracy applies to anticlockwise tightening.

Does the 1/4″ square drive fit only one nut size?

No. 1/4″ describes the square connection between the wrench and the socket. Select the socket opening separately to fit the nut or bolt head.

Does the 0.4 N·m scale graduation mean an accuracy of ±0.4 N·m?

No. 0.4 N·m is the scale graduation. Accuracy is ±2% of the set torque value. For example, at 10 N·m, this corresponds to ±0.2 N·m.

Are calibration services and technical support available?

Yes. Surkon is an authorised HAZET dealer and technical support provider in Türkiye. Repair, maintenance and calibration services for all HAZET equipment are provided by Surkon. After repair and maintenance of HAZET torque wrenches, Surkon issues an in-house calibration certificate. Accredited calibration services are available on request at the Surkon calibration laboratory.

Scope of Delivery

  • HAZET 6109-2CT industrial torque wrench
  • HAZET factory calibration certificate

Operating Instructions

  1. Confirm that the torque required for the connection is within the 4–40 N·m range.
  2. Unlock the torque adjustment mechanism, set the required torque using the scale, then lock the setting.
  3. Fit a compatible 1/4″ square-drive socket and select the tightening direction according to the manufacturer’s instructions.
  4. Apply steady force at the handle, perpendicular to the wrench.Stop tightening when the audible and tactile signal occurs. 

For detailed operating instructions, refer to the HAZET operating instructions above.

Product Video – HAZET 6000 CT Torque Wrench Series

Specifications

Brand Hazet
Operation Type Manual
Accuracy ± 2% (clockwise tightening)
Scale 0.4 N·m
Drive Size 1/4″