Pipe Standards Made Simple

🔩 Bolt & Stud Dimension Standard

ASME B16.5 Flange Bolting Specifications

Find bolt quantity, bolt size, stud length, hole diameter, and wrench size for standard flange pressure classes.

Select a pressure class and nominal pipe size (NPS) to instantly view flange bolting requirements and related tooling data.



Bolt & Stud Dimensions

  • Bolt Qty / Diameter: –
  • Stud Length (RF): – mm
  • Stud Length (RTJ): – mm

Reference Details

Standards Mapping

  • UNC Size: –
  • ISO Metric: –

Tooling Specs

  • Hole Diameter: –
  • Wrench Size: –

Stud bolt lengths are based on two heavy hex nuts in accordance with ASME B18.2.2. Wrench sizes reflect heavy hex nut standards for proper tightening and installation.