SM-A Series Electric Torque Wrench

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Model:SM-8A, SM-12A, SM-21A, SM-28A, SM-40A, SM-45A, SM-60A, SM-80A, SM-100A, SM-120A

Precision ±5%.

The SM-A series is a new generation of digitally controlled electric torque wrenches and can be started with standard power and meets the requirements of high precision, high strength and safe operation.

Use the CNC board for target torque setting and digital display, torque adjustment to 1Nm increase and decrease.

10-gear quick adjustment function of preset.


Convenient adjustment mode with supporting gear adjustment mode, suitable for construction environment.

Bolt torque comparison table mode, easy to find the right torque.

Gain adjustment function for quick adjustment of the in-position torque.

Extremely excellent power-to-weight ratio, wider torque range. Lighter and smaller.

Automatic reset anti-seize counteractive arm function for easier operation.

User (operator, administrator) hierarchical function management.

Support third-party intelligent proofreading torque, use software to adjust gain hardware compensation, extend tool life

The torque value of locking and loosening can be recommended according to the strength grade and size of the bolt, and the reference value can be modified to conform to the actual working condition.

The power supply voltage regulator unit and input voltage rectification feedback control function can restrain the fluctuation of power grid input voltage and improve torque precision.


Heavy machinery maintenance: Used for disassembling and repairing large machinery equipment.

Mining industry: Used for tightening mining equipment and infrastructure.

Shipyard maintenance: Used for tightening ship structures and equipment.

Infrastructure development: Used for securing road signs and traffic lights.

Offshore oil and gas platforms: Used for tightening critical connections in offshore installations.

Foundries: Used for tightening castings and molds.

Image Gallery:

Electric Torque Wrench SM-8A
Electric Torque Wrench SM-12A
Electric Torque Wrench SM-21A



Series Comparison:

ModelSquare Drive SizeTorque Range(NM)Speed(RPM)Weight(KG)Size A(mm)Size B(mm)Size C(mm)Size D(mm)Noise(db)


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Product Tags:

Hydraulic Torque Wrenches
  • Q: Are you trading company or manufacturer?
  • A: We are factory with more than 20 years experience.
  • Q: How long for delivery?
  • A: Generally it is 15-30days as we are customized service we confirm with customer when place order.
  • Q: What is the MOQ?
  • A: It depends on what you are buying. Normally, our minimum order is one 20' full container and LCL container (less than a container load) can be acceptable.
  • Q: Can you customize my products?
  • A: Yes, we can customized products with your design drawings like DWG, DXF, DXW, IGES, STEP, PDF etc.
  • Q: What is your terms of payment?
  • A: 30% T/T in advance, balance before shipment, or as per discussion.
  • Q: What about your quality control?
  • A: 1.Checking the raw material after they reach our factory(IQC) 2. Checking the details before the production line operated.3.Have full inspection and routing inspection during mass production(IPQC) 3.Checking the goods after they are finished(FQC). 4.Checking the goods after they are finished(QC). 5.100% inspection and delivery before shipment
  • Q:What if there is a problem with the purchased product?
  • A:If any quality problem happens please take some photos and videos to show the exact problem, then our engineer will judge and give a solution.
  • Q:Do you provide OEM service?
  • A:Yes, we provide OEM service. We will produce products that meet your requirements according to the logo, product parameters and dimensions you provide. Please contact us for more details.
  • Q:Can I be an agent for SAIVS products?
  • A:Of course, please contact us for more details.
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