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    Area & Drawings

    Bolt Circle PCD Layout

    Bolt Circle PCD Layout is an interactive, mobile-friendly calculator for browser-local estimates. It displays labelled quantities so that inputs, assumptions and outcomes stay clear. Symmetric round bolt pattern, equal angular spacing, referenced to arbitrary zero-angle; coordinates are not a structural verification.

    MAKE IT SIMPLE
    Formula, input assumptions and limitations

    Symmetric round bolt pattern, equal angular spacing, referenced to arbitrary zero-angle; coordinates are not a structural verification.

    Result

    Worked examples

    Pitch circle diameter (mm): 200 · Equally spaced holes: 8 · First bolt polar angle (°): 0

    Adjacent hole center spacing: 76.536686 mm

    A worked example using the listed default inputs. Symmetric round bolt pattern, equal angular spacing, referenced to arbitrary zero-angle; coordinates are not a structural verification.

    Questions & answers

    Is the output a legally or technically certified result?

    No. Check verified rates, conditions and underlying rules first. Symmetric round bolt pattern, equal angular spacing, referenced to arbitrary zero-angle; coordinates are not a structural verification.

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