Important standards used in Bends & Hooks

The below standards are most important in calculating the hook length and bend lengths at corners while finding cutting length of stirrups.

  • 1 Hook length = 9d or 75mm
  • 45° Bend length = 1d
  • 90° Bend length = 2d
  • 135° Bend length = 3d

Remember, d = Diameter of Bar

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