O-Ring Groove Dimensions

The charts below gives the dimensions for Standard and Dovetail O-Ring grooves.

Dimensions shown are in mm and Inches, please use our universal converter to convert to the opposite unit.

O-RING GROOVE DIMENSIONS

DOVETAIL O-RING GROOVE DIMENSIONS

Dovetail grooves are used to hold the O-ring in place during installation or maintenance.

This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required.

The dovetail groove construction is only recommended for O-rings with bigger cross sections, .139 inch (3.53mm) and bigger.