Servo Electronic Precision Torque Wrench
High Torque, Lightweight, Easy to Operate, No Impact Force, Low Noise, Suitable for Prolonged Use. ◉ Model: STW ◉ Accuracy: Torque output accuracy +-3%, repeatability +-2%. ◉ International power supply: AC 90V-264V, 47-63HZ . ◉ Lightweight: small size and high precision Japanese Panasonic servo motor. The new servo motor brings lower noise, faster speed and higher precision.
High Torque · Lightweight · Easy to Operate · No Impact Force · Low Noise · Suitable
WIDE RANGE OF APPLICATIONS
It has a wide range of applications and is suitable for industries such as automotive manufacturing and maintenance, wind power,rail transit, oil and gas, heavy machinery and construction machinery,aerospace, power and energy, shipbuilding,tank/armored vehiclemaintenance, and Bridges.



Product Parameters
* Humanized design: torque setting every 10Nm, large dynamic LCD color screen display * Smart APP: Bluetooth and wireless data transmission, data recording, data analysis, data tracking, early warning and error correction * Real-time display of torque, real-time display of torque plus angle control, torque method and angle method nut tightening plan setting * Closed-loop control: The torque sensor device directly tracks and detects the actual torque of the target, with an accuracy of up to +-1%. *STW series is equipped with Bluetooth and wireless modules and is interconnected with C series smart sleeves to help with sensor verification, joint calibration, and precise control and tracking of torque output terminals. *The ergonomically designed handle makes the operator easier, and the motor works without reaction impact.
Our expert R&D team delivers adaptable solutions for unique spatial constraints—customized to your exact needs.
| Model | Min torque(N.m) | Max torque(N.m) | S | D | L | H1 | H2 | R1 | R2 | Weight | Max speed | |
| mm | (Kg) | rpm | ||||||||||
| STW-05 | 150 | 500 | 3/4" | 60 | 305 | 80 | 100 | 300 | 53 | 102 | 4.5 | 40 |
| STW-10 | 200 | 1000 | 3/4" | 60 | 305 | 90 | 100 | 300 | 53 | 102 | 5.5 | 30 |
| STW-20 | 350 | 2000 | 1" | 76 | 305 | 95 | 100 | 300 | 66 | 135 | 6 | 14 |
| STW-30 | 600 | 3000 | 1" | 86 | 305 | 100 | 100 | 300 | 78 | 145 | 9.8 | 6.5 |
| STW-40 | 800 | 4000 | 1" | 95 | 350 | 125 | 100 | 310 | 78 | 145 | 10 | 5.5 |
| STW-60 | 900 | 6000 | 1-1/2" | 110 | 350 | 130 | 110 | 310 | 80 | 150 | 13.3 | 4 |
| STW-80 | 1500 | 8000 | 1-1/2" | 117 | 350 | 150 | 110 | 310 | 90 | 155 | 16 | 3 |
| STW-100 | 2000 | 10000 | 1-1/2" | 125 | 380 | 150 | 120 | 310 | 93 | 158 | 18 | 2.5 |
| STW-150 | 2500 | 15000 | 1-1/2" | 138 | 380 | 150 | 120 | 310 | 95 | 160 | 22 | 1.5 |
Why Choose Our Servo Torque Wrench?
✅ 100% Quality Guaranteed: Every unit undergoes rigorous testing to meet German industry standards, ensuring zero defects on delivery . ✅ Comprehensive Support: Our team provides pre-sales application consulting, on-site training, and lifetime maintenance services . ✅ Custom Solutions: Tailor torque ranges, accessories, and software features to your specific operational needs.
Valve testing kit, Open close valve.
“We Only Do the Real Thing” — The Electric Valve Actuator has become a trusted choice for industrial fastening operations with its core advantages of precision, durability, and intelligence!
TAC supplies various torque tools:
✅ Automobile Manufacturing & Maintenance: Engine assembly, tire nut tightening, chassis component installation
✅ Energy Industry: Wind power equipment maintenance, bolt fastening for power and energy facilities
✅ Transportation: Rail transit, shipbuilding, aerospace precision assembly
✅ Heavy Machinery: Construction machinery, tank/armored vehicle maintenance, bridge construction
✅ Chemical & Industry: Petroleum and natural gas pipeline installation, heavy machinery assembly

Brand Guarantee
- Quality Certification: CE certified, core components imported, factory-delivered after rigorous testing
- After-Sales Support: Professional technical team provides calibration guidance and lifetime supply of maintenance parts
- Customization Service: Supports personalized customization of torque range and functional modules (Bluetooth/WIFI), Torque tool suppliers, factories.
- Consultation Hotline: +86 400-660-1757
- Contact Us: sales@tacwrench.com






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