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O-Ring Cone

O-ring cones are ideal for measuring standard AS-568 O-rings. It measures 184 widely used sizes from 1/4" thru 5-5/8" ID, in five standard cross-sections. 

The O-ring cone stands 17.5” tall.


Pi Tape®

Pi Tape® is used to determine the imperial or metric size of an O-ring. Determine the cross section or series of the O-ring using the cross section graphics. Then unwind the Pi Tape® on the inside diameter of the O-ring to determine the imperial part number or the metric inside diameter.

O-Ring Measuring Charts

O-ring charts offer you the ability to look up part numbers, sizes of O-rings, groove dimension details, and material information.  Hold your current O-ring against the graphic to determine the imperial part number.