This App Calculate Flange Hole Dividing Hole Marking for Equispaced Flange Holes, Flange Holes at any angle and Equivalent No. of Holes. This App Has Following Calculators: 1. Equispaced Flange Hole Marking Calculator. 2. Flange Holes at any Angle Marking Calculator. 3. Equivalent No. of Holes Calculator. How to Use This App: 1. Equispaced Flange Hole Marking Calculator : This Tool is useful for Calculating Hole Dividing Marking for Flange Having Holes at Equal Distance or Equispaced. In thi