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ISO BOLTED Series Flanges - What Size  Do You Need?

ISO Bolted (ISO-B & ISO-F) Flange Dimensions & Calculator

Just enter your number in the appropriate field and then click "Calculate".
To reset and do it over again, click "Reset".

Metric * US
Micrometers * Inches (in)
Millimeters (mm) * Feet (ft)
Centimeters (cm) * Yards (yd)
Meters (m) * Rods (rd)
Kilometers (km) * Miles (mi)

***Find what you were looking for?***
All ISO BOLTED (ISO-B and ISO-F) Flanges & Fittings

Didn't find it? More Calculators Below:
Conflat Flange Series Calculator
NW/KF/QF Flange Series Calculators
ISO CLAMPED (ISO-K) Flange Series Calculators

Contact LDS with any questions:
Phone (407)862-4643 or via Fax (407)862-8723 or

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