
digital
electric
torque wrench manufacturer.
Engineered for rapid, non-impact continuous rotation, the Boltorq BT-DC Series digital electric torque wrench delivers fast, vibration-free torquing across PEB steel structures, railway bridges, and wind tower ladders. Built with German technology motors, soft-start anti-jerk drive systems, and digital LCD torque control, Boltorq provides precise torque accuracy within +-2%.

BOLTORQ BT-DC10 ELECTRIC TORQUE WRENCH
High-speed, continuous-rotation electric torque wrench designed for rapid M20-M24 fastener maintenance with digital LCD preset controls.
MAX TORQUE
BOLTORQ BT-DC15 ELECTRIC TORQUE WRENCH
Trusted across wind turbine sites and heavy infrastructure. Delivers stable, non-impact torque up to 1500 Nm for M24-M27 bolts.

BOLTORQ BT-DC25 ELECTRIC TORQUE WRENCH
Engineered for heavy industrial joint assemblies and rigorous plant maintenance, handling M27 to M33 bolt sizes with precise micro-processor torque regulation.

BOLTORQ BT-DC35 DIGITAL ELECTRIC WRENCH
Heavy-duty electric bolting solution built to replace slow hydraulic setups in power plants, mining machinery, and major oil & gas pipeline turnarounds.

BOLTORQ BT-DC50 HIGH-CAPACITY ELECTRIC WRENCH
The pinnacle of non-impacting electrical torquing power. Engineered for M36 and above critical heavy engineering applications requiring strict numerical pre-sets.
BT-DC SERIES
SPECIFICATIONS.
Every Boltorq electric torque wrench shares a core architecture—single-chip digital microprocessor control, non-impacting smooth gearboxes, and overload-protected motor housings. The power output evolves; the engineering standard for zero flange leaks never changes.
| MODEL | BT-DC10 | BT-DC15 | BT-DC25 | BT-DC35 | BT-DC50 |
|---|---|---|---|---|---|
| 400 – 1000 Nm | 500 – 1500 Nm | 800 – 2500 Nm | 1700 – 3500 Nm | 2000 – 5000 Nm | |
| SQUARE DRIVE | 1 inch | 1 inch | 1-1/4 inch | 1-1/2 inch | 2-1/2 inch |
| GEAR SPEED | 14 RPM | 10 RPM | 5 RPM | 3 RPM | 1 RPM |
| POWER INPUT | 1300W | 1400W | 1400W | 1400W | 1400W |
| NET WEIGHT | 6.0 Kg | 7.0 Kg | 8.0 Kg | 9.0 Kg | 12.0 Kg |
CRITICAL
PRE-USAGE CHECKS FOR BT-DC CONTROLLERS
Before commissioning your BT-DC electric torque wrench on-site, verify the following electrical and power supply parameters to ensure optimal tool performance and operator safety:
THE SCIENCE OF DIGITAL PRESET TORQUE REGULATION.
Operating a heavy bolting system requires absolute precision to prevent under-torquing or catastrophic flange blowout. The Boltorq BT-DC series simplifies complex joint assembly through an intelligent micro-processor workflow:
Step 1
Digital Value Input
The operator uses the drive-mounted control unit’s up/down buttons to input the exact required torque value in single-unit increments, monitored live via the LCD screen.
Step 2
Dual Mode Protection
SET and RUN modes are separated to prevent accidental trigger engagement while configuring the tool on-site.
Step 3
Jerk-Free Soft Start
Upon pressing the single operating trigger, the motor initiates a soft-start cycle, feeding smooth rotational force without placing a sudden impact jerk on the technician.
Step 4
Automatic Shut-Off
Once the precise numerical preset value is achieved, the wrench automatically halts operation, ensuring repeatable clamp loads every single time.
ENGINEERED FOR CRITICAL GLOBAL INFRASTRUCTURE.
From offshore wind installations to high-pressure refinery turnarounds, the BT-DC series is built to perform where hydraulic hoses and pneumatic compressors fail.
Wind Energy Generation

Securing tower base sections, gearbox housing blocks, and alternator pillow blocks where space is constrained and uniform torque is mandatory.
View SpecOil, Gas & Petrochemical Refineries

Executing rapid, leak-free flange management during critical plant maintenance shutdowns and high-temperature pipeline overhauls.
View SpecHeavy Structural Engineering

Rapid bolting of heavy steel frameworks, crane structures, and pre-engineered industrial buildings (PEB).
View SpecFREQUENTLY ASKED QUESTIONS ABOUT
DIGITAL ELECTRIC TORQUE WRENCHES
What is the primary advantage of a digital electric torque wrench over a pneumatic impact wrench?
Pneumatic impact wrenches rely on sudden bursts of rotational impacts that cause high vibration, operator fatigue, and inconsistent torque delivery. The Boltorq BT-DC electric series utilizes non-impacting continuous rotation with micro-processor digital cut-offs, guaranteeing exact numerical accuracy.
What power source is required to operate the BT-DC series on remote sites?
The tools operate on a standard single-phase 220V–240V AC electrical supply (50–60Hz). Proper extension cord quality and symmetrical earth-ground connections are recommended for optimal performance and personal safety.
Are spare parts and technical support available globally?
Yes. As an independent manufacturer and exporter based in Jamnagar, India, Boltorq maintains extensive stock availability of standard products and replacement components for prompt global fulfillment.
