Thursday 2 April 2020

O Ring Tolerence Chart

Fitco are oring provider since 1995, We have in-house manufacturing and worldwide manufacturing partners for supply all size oring and seals according to international standard: AS 568, ISO 3601, DIN 3771, JIS B2401. We are exporting o-ring worldwide and supply in various materials.


O-Ring is selected as the bore or rod/shaft diameter and housing dimensions in both metric and inch size, so you know exactly which part you need. 

Standard O Rings Cross section widely used 

BS 1806 
BS ISO 3601-1
SAE AS 568
Aerospace sizes to 
BS ISO 3601-1
BS 4518
Inch sizes
0.070" 1.78mm
0.071" 1.80mm
1.6mm
0.063" 
0.103" 2.62mm
0.104" 2.65mm
2.4mm
0.094" 
0.139" 3.53mm
0.140" 3.55mm
3.0mm
0.125" 
0.210" 5.33mm
0.209" 5.30mm
5.7mm
0.188" 
0.275" 6.99mm
0.276" 7.00mm
8.4mm
0.250" 


ISO O Rings Tolerance Chart
Fitco O Rings Tolerence Chart



For further details : fitco@fitcoseals.com
https://www.oringstore.com