Ring Size 325

We need to know the size of the ring early in the design process.

Ring size 325.

Take your best guess. If you have a ring that fits you can use this chart. That document published by the society of automotive engineers sae lists the sizes of o rings in six series or groups in both inches and millimeters. Use our free ring size converter to determine your ring size by circumference or diameter.

With the numbers facing out slip the tip of the ring sizer through the slot. Cut out the ring sizer and open the slot where marked. Take your best guess and don t sweat it. Click here to download our practical ring size guide.

Selecting the i don t know option will allow you to select a ring size later. This ring size method uses a tape measure approach with specific ring metrics. Move the slider until the selected object fits between the boxes to help with proportions. You will need to print it out and place it on a flat surface.

Women s rings are commonly between sizes 3 and 9 while men s rings are usually sized between 8 and 14. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings. Select i don t know. When printing make sure that you do not resize the page at all.

O ring size chart as568 standard o ring sizes find as568 o ring standard sizes by cross section inside diameter and outside diameter in our o ring size chart and separate o ring tolerance chart. If the size is wrong simply send in your ring within 90 days of your purchase and we will resize. We have several ways to help you determine the size of the ring you want. Select a size to buy standard and custom o rings from the world s largest inventory network or custom orders can be made within a few weeks.

Ring sizes follow a scale of numbers and half numbers typically from ring size 3 to 13 5 for adults. Download our ring size pdf.