Enerpac Tool Range

Torque Calculation Engine

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Enerpac's Bolting Calculator is our free web-based calculator designed to technically support our products. The software will calculate as well as recommend bolt load / stresses for your bolted applications. You may choose between torque or tension as your tightening method and all calculations include hydraulic tool pressures based on tool selection.


  • ANSI B16.5 & B16.47 Flanges
  • API 6A & 17D Flanges
  • Custom Calculations
Enerpac Bolting Calculator Features


  • Access to Technical Documents
  • Engineering Inquiry Section
  • Procedures and Guidance
Customer Support