Professional engineering made simple
Enter your specifications
Simple calculation: Area ร Strength ร Load Ratio = Tensioning Force
Real-time calculations as you type with immediate feedback and validation.
Complete database of major brands including Atlas Copco, Boltight, and more.
Support for B7, B16, and 660 steel specifications with precise calculations.
Proper bolt torque prevents 80% of mechanical failures in engineering applications.
Always use a calibrated torque wrench for critical applications to ensure accuracy.
The rotational force applied to achieve proper bolt tension and secure connections.
Industry-standard formulas ensure 99.9% accuracy for professional applications.
B7 for general use, B16 for high-temp, 660 for corrosive environments.
More uniform loading and eliminates torsional stress compared to manual methods.
This calculator provides theoretical values. Always consult manufacturer specs and safety regulations for critical applications.